All of lore.kernel.org
 help / color / mirror / Atom feed
From: Christoph Hellwig <hch@lst.de>
To: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Jens Axboe <axboe@kernel.dk>, Arnd Bergmann <arnd@arndb.de>,
	David Howells <dhowells@redhat.com>,
	linux-arm-kernel@lists.infradead.org, x86@kernel.org,
	linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org,
	linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
	linux-s390@vger.kernel.org, sparclinux@vger.kernel.org,
	linux-block@vger.kernel.org, linux-scsi@vger.kernel.org,
	linux-fsdevel@vger.kernel.org, linux-aio@kvack.org,
	io-uring@vger.kernel.org, linux-arch@vger.kernel.org,
	linux-mm@kvack.org, netdev@vger.kernel.org,
	keyrings@vger.kernel.org, linux-security-module@vger.kernel.org
Subject: [PATCH 8/9] mm: remove compat_process_vm_{readv,writev}
Date: Fri, 18 Sep 2020 14:45:32 +0200	[thread overview]
Message-ID: <20200918124533.3487701-9-hch@lst.de> (raw)
In-Reply-To: <20200918124533.3487701-1-hch@lst.de>

Now that import_iovec handles compat iovecs, the native syscalls
can be used for the compat case as well.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 arch/arm64/include/asm/unistd32.h             |  4 +-
 arch/mips/kernel/syscalls/syscall_n32.tbl     |  4 +-
 arch/mips/kernel/syscalls/syscall_o32.tbl     |  4 +-
 arch/parisc/kernel/syscalls/syscall.tbl       |  4 +-
 arch/powerpc/kernel/syscalls/syscall.tbl      |  4 +-
 arch/s390/kernel/syscalls/syscall.tbl         |  4 +-
 arch/sparc/kernel/syscalls/syscall.tbl        |  4 +-
 arch/x86/entry/syscall_x32.c                  |  2 +
 arch/x86/entry/syscalls/syscall_32.tbl        |  4 +-
 arch/x86/entry/syscalls/syscall_64.tbl        |  4 +-
 include/linux/compat.h                        |  8 ---
 include/uapi/asm-generic/unistd.h             |  6 +-
 mm/process_vm_access.c                        | 70 -------------------
 tools/include/uapi/asm-generic/unistd.h       |  6 +-
 .../arch/powerpc/entry/syscalls/syscall.tbl   |  4 +-
 .../perf/arch/s390/entry/syscalls/syscall.tbl |  4 +-
 .../arch/x86/entry/syscalls/syscall_64.tbl    |  4 +-
 17 files changed, 30 insertions(+), 110 deletions(-)

diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h
index 11dfae3a8563bd..0c280a05f699bf 100644
--- a/arch/arm64/include/asm/unistd32.h
+++ b/arch/arm64/include/asm/unistd32.h
@@ -763,9 +763,9 @@ __SYSCALL(__NR_sendmmsg, compat_sys_sendmmsg)
 #define __NR_setns 375
 __SYSCALL(__NR_setns, sys_setns)
 #define __NR_process_vm_readv 376
-__SYSCALL(__NR_process_vm_readv, compat_sys_process_vm_readv)
+__SYSCALL(__NR_process_vm_readv, sys_process_vm_readv)
 #define __NR_process_vm_writev 377
-__SYSCALL(__NR_process_vm_writev, compat_sys_process_vm_writev)
+__SYSCALL(__NR_process_vm_writev, sys_process_vm_writev)
 #define __NR_kcmp 378
 __SYSCALL(__NR_kcmp, sys_kcmp)
 #define __NR_finit_module 379
diff --git a/arch/mips/kernel/syscalls/syscall_n32.tbl b/arch/mips/kernel/syscalls/syscall_n32.tbl
index 5a39d4de0ac85b..0bc2e0fcf1ee56 100644
--- a/arch/mips/kernel/syscalls/syscall_n32.tbl
+++ b/arch/mips/kernel/syscalls/syscall_n32.tbl
@@ -317,8 +317,8 @@
 306	n32	syncfs				sys_syncfs
 307	n32	sendmmsg			compat_sys_sendmmsg
 308	n32	setns				sys_setns
-309	n32	process_vm_readv		compat_sys_process_vm_readv
-310	n32	process_vm_writev		compat_sys_process_vm_writev
+309	n32	process_vm_readv		sys_process_vm_readv
+310	n32	process_vm_writev		sys_process_vm_writev
 311	n32	kcmp				sys_kcmp
 312	n32	finit_module			sys_finit_module
 313	n32	sched_setattr			sys_sched_setattr
diff --git a/arch/mips/kernel/syscalls/syscall_o32.tbl b/arch/mips/kernel/syscalls/syscall_o32.tbl
index 136efc6b8c5444..b408c13b934296 100644
--- a/arch/mips/kernel/syscalls/syscall_o32.tbl
+++ b/arch/mips/kernel/syscalls/syscall_o32.tbl
@@ -356,8 +356,8 @@
 342	o32	syncfs				sys_syncfs
 343	o32	sendmmsg			sys_sendmmsg			compat_sys_sendmmsg
 344	o32	setns				sys_setns
-345	o32	process_vm_readv		sys_process_vm_readv		compat_sys_process_vm_readv
-346	o32	process_vm_writev		sys_process_vm_writev		compat_sys_process_vm_writev
+345	o32	process_vm_readv		sys_process_vm_readv
+346	o32	process_vm_writev		sys_process_vm_writev
 347	o32	kcmp				sys_kcmp
 348	o32	finit_module			sys_finit_module
 349	o32	sched_setattr			sys_sched_setattr
diff --git a/arch/parisc/kernel/syscalls/syscall.tbl b/arch/parisc/kernel/syscalls/syscall.tbl
index a9e184192caedd..2015a5124b78ad 100644
--- a/arch/parisc/kernel/syscalls/syscall.tbl
+++ b/arch/parisc/kernel/syscalls/syscall.tbl
@@ -372,8 +372,8 @@
 327	common	syncfs			sys_syncfs
 328	common	setns			sys_setns
 329	common	sendmmsg		sys_sendmmsg			compat_sys_sendmmsg
-330	common	process_vm_readv	sys_process_vm_readv		compat_sys_process_vm_readv
-331	common	process_vm_writev	sys_process_vm_writev		compat_sys_process_vm_writev
+330	common	process_vm_readv	sys_process_vm_readv
+331	common	process_vm_writev	sys_process_vm_writev
 332	common	kcmp			sys_kcmp
 333	common	finit_module		sys_finit_module
 334	common	sched_setattr		sys_sched_setattr
diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl b/arch/powerpc/kernel/syscalls/syscall.tbl
index 0d4985919ca34d..66a472aa635d3f 100644
--- a/arch/powerpc/kernel/syscalls/syscall.tbl
+++ b/arch/powerpc/kernel/syscalls/syscall.tbl
@@ -449,8 +449,8 @@
 348	common	syncfs				sys_syncfs
 349	common	sendmmsg			sys_sendmmsg			compat_sys_sendmmsg
 350	common	setns				sys_setns
-351	nospu	process_vm_readv		sys_process_vm_readv		compat_sys_process_vm_readv
-352	nospu	process_vm_writev		sys_process_vm_writev		compat_sys_process_vm_writev
+351	nospu	process_vm_readv		sys_process_vm_readv
+352	nospu	process_vm_writev		sys_process_vm_writev
 353	nospu	finit_module			sys_finit_module
 354	nospu	kcmp				sys_kcmp
 355	common	sched_setattr			sys_sched_setattr
diff --git a/arch/s390/kernel/syscalls/syscall.tbl b/arch/s390/kernel/syscalls/syscall.tbl
index b5495a42814bd1..7485867a490bb2 100644
--- a/arch/s390/kernel/syscalls/syscall.tbl
+++ b/arch/s390/kernel/syscalls/syscall.tbl
@@ -347,8 +347,8 @@
 337  common	clock_adjtime		sys_clock_adjtime		sys_clock_adjtime32
 338  common	syncfs			sys_syncfs			sys_syncfs
 339  common	setns			sys_setns			sys_setns
-340  common	process_vm_readv	sys_process_vm_readv		compat_sys_process_vm_readv
-341  common	process_vm_writev	sys_process_vm_writev		compat_sys_process_vm_writev
+340  common	process_vm_readv	sys_process_vm_readv		sys_process_vm_readv
+341  common	process_vm_writev	sys_process_vm_writev		sys_process_vm_writev
 342  common	s390_runtime_instr	sys_s390_runtime_instr		sys_s390_runtime_instr
 343  common	kcmp			sys_kcmp			sys_kcmp
 344  common	finit_module		sys_finit_module		sys_finit_module
diff --git a/arch/sparc/kernel/syscalls/syscall.tbl b/arch/sparc/kernel/syscalls/syscall.tbl
index f1810c1a35caa5..4a9365b2e340b2 100644
--- a/arch/sparc/kernel/syscalls/syscall.tbl
+++ b/arch/sparc/kernel/syscalls/syscall.tbl
@@ -406,8 +406,8 @@
 335	common	syncfs			sys_syncfs
 336	common	sendmmsg		sys_sendmmsg			compat_sys_sendmmsg
 337	common	setns			sys_setns
-338	common	process_vm_readv	sys_process_vm_readv		compat_sys_process_vm_readv
-339	common	process_vm_writev	sys_process_vm_writev		compat_sys_process_vm_writev
+338	common	process_vm_readv	sys_process_vm_readv
+339	common	process_vm_writev	sys_process_vm_writev
 340	32	kern_features		sys_ni_syscall			sys_kern_features
 340	64	kern_features		sys_kern_features
 341	common	kcmp			sys_kcmp
diff --git a/arch/x86/entry/syscall_x32.c b/arch/x86/entry/syscall_x32.c
index a4840b9d50ad14..f2fe0a33bcfdd5 100644
--- a/arch/x86/entry/syscall_x32.c
+++ b/arch/x86/entry/syscall_x32.c
@@ -17,6 +17,8 @@
 #define __x32_sys_getsockopt	__x64_sys_getsockopt
 #define __x32_sys_setsockopt	__x64_sys_setsockopt
 #define __x32_sys_vmsplice	__x64_sys_vmsplice
+#define __x32_sys_process_vm_readv	__x64_sys_process_vm_readv
+#define __x32_sys_process_vm_writev	__x64_sys_process_vm_writev
 
 #define __SYSCALL_64(nr, sym)
 
diff --git a/arch/x86/entry/syscalls/syscall_32.tbl b/arch/x86/entry/syscalls/syscall_32.tbl
index 0fb2f172581e51..5fbe10ad8a23fc 100644
--- a/arch/x86/entry/syscalls/syscall_32.tbl
+++ b/arch/x86/entry/syscalls/syscall_32.tbl
@@ -358,8 +358,8 @@
 344	i386	syncfs			sys_syncfs
 345	i386	sendmmsg		sys_sendmmsg			compat_sys_sendmmsg
 346	i386	setns			sys_setns
-347	i386	process_vm_readv	sys_process_vm_readv		compat_sys_process_vm_readv
-348	i386	process_vm_writev	sys_process_vm_writev		compat_sys_process_vm_writev
+347	i386	process_vm_readv	sys_process_vm_readv
+348	i386	process_vm_writev	sys_process_vm_writev
 349	i386	kcmp			sys_kcmp
 350	i386	finit_module		sys_finit_module
 351	i386	sched_setattr		sys_sched_setattr
diff --git a/arch/x86/entry/syscalls/syscall_64.tbl b/arch/x86/entry/syscalls/syscall_64.tbl
index 642af919183de4..347809649ba28f 100644
--- a/arch/x86/entry/syscalls/syscall_64.tbl
+++ b/arch/x86/entry/syscalls/syscall_64.tbl
@@ -395,8 +395,8 @@
 536	x32	rt_tgsigqueueinfo	compat_sys_rt_tgsigqueueinfo
 537	x32	recvmmsg		compat_sys_recvmmsg_time64
 538	x32	sendmmsg		compat_sys_sendmmsg
-539	x32	process_vm_readv	compat_sys_process_vm_readv
-540	x32	process_vm_writev	compat_sys_process_vm_writev
+539	x32	process_vm_readv	sys_process_vm_readv
+540	x32	process_vm_writev	sys_process_vm_writev
 541	x32	setsockopt		sys_setsockopt
 542	x32	getsockopt		sys_getsockopt
 543	x32	io_setup		compat_sys_io_setup
diff --git a/include/linux/compat.h b/include/linux/compat.h
index a7af6ed06cb000..bbb065e09b058a 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -780,14 +780,6 @@ asmlinkage long compat_sys_open_by_handle_at(int mountdirfd,
 					     int flags);
 asmlinkage long compat_sys_sendmmsg(int fd, struct compat_mmsghdr __user *mmsg,
 				    unsigned vlen, unsigned int flags);
-asmlinkage ssize_t compat_sys_process_vm_readv(compat_pid_t pid,
-		const struct compat_iovec __user *lvec,
-		compat_ulong_t liovcnt, const struct compat_iovec __user *rvec,
-		compat_ulong_t riovcnt, compat_ulong_t flags);
-asmlinkage ssize_t compat_sys_process_vm_writev(compat_pid_t pid,
-		const struct compat_iovec __user *lvec,
-		compat_ulong_t liovcnt, const struct compat_iovec __user *rvec,
-		compat_ulong_t riovcnt, compat_ulong_t flags);
 asmlinkage long compat_sys_execveat(int dfd, const char __user *filename,
 		     const compat_uptr_t __user *argv,
 		     const compat_uptr_t __user *envp, int flags);
diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h
index f2dcb0d5703014..c1dfe99c9c3f70 100644
--- a/include/uapi/asm-generic/unistd.h
+++ b/include/uapi/asm-generic/unistd.h
@@ -727,11 +727,9 @@ __SYSCALL(__NR_setns, sys_setns)
 #define __NR_sendmmsg 269
 __SC_COMP(__NR_sendmmsg, sys_sendmmsg, compat_sys_sendmmsg)
 #define __NR_process_vm_readv 270
-__SC_COMP(__NR_process_vm_readv, sys_process_vm_readv, \
-          compat_sys_process_vm_readv)
+__SYSCALL(__NR_process_vm_readv, sys_process_vm_readv)
 #define __NR_process_vm_writev 271
-__SC_COMP(__NR_process_vm_writev, sys_process_vm_writev, \
-          compat_sys_process_vm_writev)
+__SYSCALL(__NR_process_vm_writev, sys_process_vm_writev)
 #define __NR_kcmp 272
 __SYSCALL(__NR_kcmp, sys_kcmp)
 #define __NR_finit_module 273
diff --git a/mm/process_vm_access.c b/mm/process_vm_access.c
index f21feebbd48f39..752bb724f10efa 100644
--- a/mm/process_vm_access.c
+++ b/mm/process_vm_access.c
@@ -14,10 +14,6 @@
 #include <linux/slab.h>
 #include <linux/syscalls.h>
 
-#ifdef CONFIG_COMPAT
-#include <linux/compat.h>
-#endif
-
 /**
  * process_vm_rw_pages - read/write pages from task specified
  * @pages: array of pointers to pages we want to copy
@@ -307,69 +303,3 @@ SYSCALL_DEFINE6(process_vm_writev, pid_t, pid,
 {
 	return process_vm_rw(pid, lvec, liovcnt, rvec, riovcnt, flags, 1);
 }
-
-#ifdef CONFIG_COMPAT
-
-static ssize_t
-compat_process_vm_rw(compat_pid_t pid,
-		     const struct compat_iovec __user *lvec,
-		     unsigned long liovcnt,
-		     const struct compat_iovec __user *rvec,
-		     unsigned long riovcnt,
-		     unsigned long flags, int vm_write)
-{
-	struct iovec iovstack_l[UIO_FASTIOV];
-	struct iovec iovstack_r[UIO_FASTIOV];
-	struct iovec *iov_l = iovstack_l;
-	struct iovec *iov_r = iovstack_r;
-	struct iov_iter iter;
-	ssize_t rc = -EFAULT;
-	int dir = vm_write ? WRITE : READ;
-
-	if (flags != 0)
-		return -EINVAL;
-
-	rc = import_iovec(dir, (const struct iovec __user *)lvec, liovcnt,
-			  UIO_FASTIOV, &iov_l, &iter);
-	if (rc < 0)
-		return rc;
-	if (!iov_iter_count(&iter))
-		goto free_iovecs;
-	rc = rw_copy_check_uvector(CHECK_IOVEC_ONLY,
-				   (const struct iovec __user *)rvec, riovcnt,
-				   UIO_FASTIOV, iovstack_r, &iov_r);
-	if (rc <= 0)
-		goto free_iovecs;
-
-	rc = process_vm_rw_core(pid, &iter, iov_r, riovcnt, flags, vm_write);
-
-free_iovecs:
-	if (iov_r != iovstack_r)
-		kfree(iov_r);
-	kfree(iov_l);
-	return rc;
-}
-
-COMPAT_SYSCALL_DEFINE6(process_vm_readv, compat_pid_t, pid,
-		       const struct compat_iovec __user *, lvec,
-		       compat_ulong_t, liovcnt,
-		       const struct compat_iovec __user *, rvec,
-		       compat_ulong_t, riovcnt,
-		       compat_ulong_t, flags)
-{
-	return compat_process_vm_rw(pid, lvec, liovcnt, rvec,
-				    riovcnt, flags, 0);
-}
-
-COMPAT_SYSCALL_DEFINE6(process_vm_writev, compat_pid_t, pid,
-		       const struct compat_iovec __user *, lvec,
-		       compat_ulong_t, liovcnt,
-		       const struct compat_iovec __user *, rvec,
-		       compat_ulong_t, riovcnt,
-		       compat_ulong_t, flags)
-{
-	return compat_process_vm_rw(pid, lvec, liovcnt, rvec,
-				    riovcnt, flags, 1);
-}
-
-#endif
diff --git a/tools/include/uapi/asm-generic/unistd.h b/tools/include/uapi/asm-generic/unistd.h
index f2dcb0d5703014..c1dfe99c9c3f70 100644
--- a/tools/include/uapi/asm-generic/unistd.h
+++ b/tools/include/uapi/asm-generic/unistd.h
@@ -727,11 +727,9 @@ __SYSCALL(__NR_setns, sys_setns)
 #define __NR_sendmmsg 269
 __SC_COMP(__NR_sendmmsg, sys_sendmmsg, compat_sys_sendmmsg)
 #define __NR_process_vm_readv 270
-__SC_COMP(__NR_process_vm_readv, sys_process_vm_readv, \
-          compat_sys_process_vm_readv)
+__SYSCALL(__NR_process_vm_readv, sys_process_vm_readv)
 #define __NR_process_vm_writev 271
-__SC_COMP(__NR_process_vm_writev, sys_process_vm_writev, \
-          compat_sys_process_vm_writev)
+__SYSCALL(__NR_process_vm_writev, sys_process_vm_writev)
 #define __NR_kcmp 272
 __SYSCALL(__NR_kcmp, sys_kcmp)
 #define __NR_finit_module 273
diff --git a/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl b/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl
index 26f0347c15118b..a188f053cbf90a 100644
--- a/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl
+++ b/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl
@@ -443,8 +443,8 @@
 348	common	syncfs				sys_syncfs
 349	common	sendmmsg			sys_sendmmsg			compat_sys_sendmmsg
 350	common	setns				sys_setns
-351	nospu	process_vm_readv		sys_process_vm_readv		compat_sys_process_vm_readv
-352	nospu	process_vm_writev		sys_process_vm_writev		compat_sys_process_vm_writev
+351	nospu	process_vm_readv		sys_process_vm_readv
+352	nospu	process_vm_writev		sys_process_vm_writev
 353	nospu	finit_module			sys_finit_module
 354	nospu	kcmp				sys_kcmp
 355	common	sched_setattr			sys_sched_setattr
diff --git a/tools/perf/arch/s390/entry/syscalls/syscall.tbl b/tools/perf/arch/s390/entry/syscalls/syscall.tbl
index 02ad81f69bb7e3..c44c83032c3a04 100644
--- a/tools/perf/arch/s390/entry/syscalls/syscall.tbl
+++ b/tools/perf/arch/s390/entry/syscalls/syscall.tbl
@@ -347,8 +347,8 @@
 337  common	clock_adjtime		sys_clock_adjtime		compat_sys_clock_adjtime
 338  common	syncfs			sys_syncfs			sys_syncfs
 339  common	setns			sys_setns			sys_setns
-340  common	process_vm_readv	sys_process_vm_readv		compat_sys_process_vm_readv
-341  common	process_vm_writev	sys_process_vm_writev		compat_sys_process_vm_writev
+340  common	process_vm_readv	sys_process_vm_readv		sys_process_vm_readv
+341  common	process_vm_writev	sys_process_vm_writev		sys_process_vm_writev
 342  common	s390_runtime_instr	sys_s390_runtime_instr		sys_s390_runtime_instr
 343  common	kcmp			sys_kcmp			compat_sys_kcmp
 344  common	finit_module		sys_finit_module		compat_sys_finit_module
diff --git a/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl b/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
index 642af919183de4..347809649ba28f 100644
--- a/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
+++ b/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
@@ -395,8 +395,8 @@
 536	x32	rt_tgsigqueueinfo	compat_sys_rt_tgsigqueueinfo
 537	x32	recvmmsg		compat_sys_recvmmsg_time64
 538	x32	sendmmsg		compat_sys_sendmmsg
-539	x32	process_vm_readv	compat_sys_process_vm_readv
-540	x32	process_vm_writev	compat_sys_process_vm_writev
+539	x32	process_vm_readv	sys_process_vm_readv
+540	x32	process_vm_writev	sys_process_vm_writev
 541	x32	setsockopt		sys_setsockopt
 542	x32	getsockopt		sys_getsockopt
 543	x32	io_setup		compat_sys_io_setup
-- 
2.28.0


WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Jens Axboe <axboe@kernel.dk>, Arnd Bergmann <arnd@arndb.de>,
	David Howells <dhowells@redhat.com>,
	linux-arm-kernel@lists.infradead.org, x86@kernel.org,
	linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org,
	linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
	linux-s390@vger.kernel.org, sparclinux@vger.kernel.org,
	linux-block@vger.kernel.org, linux-scsi@vger.kernel.org,
	linux-fsdevel@vger.kernel.org, linux-aio@kvack.org,
	io-uring@vger.kernel.org, linux-arch@vger.kernel.org,
	linux-mm@kvack.org, netdev@vger.kernel.org,
	keyrings@vger.kernel.org, linux-security-module@vger.kernel.org
Subject: [PATCH 8/9] mm: remove compat_process_vm_{readv,writev}
Date: Fri, 18 Sep 2020 12:45:32 +0000	[thread overview]
Message-ID: <20200918124533.3487701-9-hch@lst.de> (raw)
In-Reply-To: <20200918124533.3487701-1-hch@lst.de>

Now that import_iovec handles compat iovecs, the native syscalls
can be used for the compat case as well.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 arch/arm64/include/asm/unistd32.h             |  4 +-
 arch/mips/kernel/syscalls/syscall_n32.tbl     |  4 +-
 arch/mips/kernel/syscalls/syscall_o32.tbl     |  4 +-
 arch/parisc/kernel/syscalls/syscall.tbl       |  4 +-
 arch/powerpc/kernel/syscalls/syscall.tbl      |  4 +-
 arch/s390/kernel/syscalls/syscall.tbl         |  4 +-
 arch/sparc/kernel/syscalls/syscall.tbl        |  4 +-
 arch/x86/entry/syscall_x32.c                  |  2 +
 arch/x86/entry/syscalls/syscall_32.tbl        |  4 +-
 arch/x86/entry/syscalls/syscall_64.tbl        |  4 +-
 include/linux/compat.h                        |  8 ---
 include/uapi/asm-generic/unistd.h             |  6 +-
 mm/process_vm_access.c                        | 70 -------------------
 tools/include/uapi/asm-generic/unistd.h       |  6 +-
 .../arch/powerpc/entry/syscalls/syscall.tbl   |  4 +-
 .../perf/arch/s390/entry/syscalls/syscall.tbl |  4 +-
 .../arch/x86/entry/syscalls/syscall_64.tbl    |  4 +-
 17 files changed, 30 insertions(+), 110 deletions(-)

diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h
index 11dfae3a8563bd..0c280a05f699bf 100644
--- a/arch/arm64/include/asm/unistd32.h
+++ b/arch/arm64/include/asm/unistd32.h
@@ -763,9 +763,9 @@ __SYSCALL(__NR_sendmmsg, compat_sys_sendmmsg)
 #define __NR_setns 375
 __SYSCALL(__NR_setns, sys_setns)
 #define __NR_process_vm_readv 376
-__SYSCALL(__NR_process_vm_readv, compat_sys_process_vm_readv)
+__SYSCALL(__NR_process_vm_readv, sys_process_vm_readv)
 #define __NR_process_vm_writev 377
-__SYSCALL(__NR_process_vm_writev, compat_sys_process_vm_writev)
+__SYSCALL(__NR_process_vm_writev, sys_process_vm_writev)
 #define __NR_kcmp 378
 __SYSCALL(__NR_kcmp, sys_kcmp)
 #define __NR_finit_module 379
diff --git a/arch/mips/kernel/syscalls/syscall_n32.tbl b/arch/mips/kernel/syscalls/syscall_n32.tbl
index 5a39d4de0ac85b..0bc2e0fcf1ee56 100644
--- a/arch/mips/kernel/syscalls/syscall_n32.tbl
+++ b/arch/mips/kernel/syscalls/syscall_n32.tbl
@@ -317,8 +317,8 @@
 306	n32	syncfs				sys_syncfs
 307	n32	sendmmsg			compat_sys_sendmmsg
 308	n32	setns				sys_setns
-309	n32	process_vm_readv		compat_sys_process_vm_readv
-310	n32	process_vm_writev		compat_sys_process_vm_writev
+309	n32	process_vm_readv		sys_process_vm_readv
+310	n32	process_vm_writev		sys_process_vm_writev
 311	n32	kcmp				sys_kcmp
 312	n32	finit_module			sys_finit_module
 313	n32	sched_setattr			sys_sched_setattr
diff --git a/arch/mips/kernel/syscalls/syscall_o32.tbl b/arch/mips/kernel/syscalls/syscall_o32.tbl
index 136efc6b8c5444..b408c13b934296 100644
--- a/arch/mips/kernel/syscalls/syscall_o32.tbl
+++ b/arch/mips/kernel/syscalls/syscall_o32.tbl
@@ -356,8 +356,8 @@
 342	o32	syncfs				sys_syncfs
 343	o32	sendmmsg			sys_sendmmsg			compat_sys_sendmmsg
 344	o32	setns				sys_setns
-345	o32	process_vm_readv		sys_process_vm_readv		compat_sys_process_vm_readv
-346	o32	process_vm_writev		sys_process_vm_writev		compat_sys_process_vm_writev
+345	o32	process_vm_readv		sys_process_vm_readv
+346	o32	process_vm_writev		sys_process_vm_writev
 347	o32	kcmp				sys_kcmp
 348	o32	finit_module			sys_finit_module
 349	o32	sched_setattr			sys_sched_setattr
diff --git a/arch/parisc/kernel/syscalls/syscall.tbl b/arch/parisc/kernel/syscalls/syscall.tbl
index a9e184192caedd..2015a5124b78ad 100644
--- a/arch/parisc/kernel/syscalls/syscall.tbl
+++ b/arch/parisc/kernel/syscalls/syscall.tbl
@@ -372,8 +372,8 @@
 327	common	syncfs			sys_syncfs
 328	common	setns			sys_setns
 329	common	sendmmsg		sys_sendmmsg			compat_sys_sendmmsg
-330	common	process_vm_readv	sys_process_vm_readv		compat_sys_process_vm_readv
-331	common	process_vm_writev	sys_process_vm_writev		compat_sys_process_vm_writev
+330	common	process_vm_readv	sys_process_vm_readv
+331	common	process_vm_writev	sys_process_vm_writev
 332	common	kcmp			sys_kcmp
 333	common	finit_module		sys_finit_module
 334	common	sched_setattr		sys_sched_setattr
diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl b/arch/powerpc/kernel/syscalls/syscall.tbl
index 0d4985919ca34d..66a472aa635d3f 100644
--- a/arch/powerpc/kernel/syscalls/syscall.tbl
+++ b/arch/powerpc/kernel/syscalls/syscall.tbl
@@ -449,8 +449,8 @@
 348	common	syncfs				sys_syncfs
 349	common	sendmmsg			sys_sendmmsg			compat_sys_sendmmsg
 350	common	setns				sys_setns
-351	nospu	process_vm_readv		sys_process_vm_readv		compat_sys_process_vm_readv
-352	nospu	process_vm_writev		sys_process_vm_writev		compat_sys_process_vm_writev
+351	nospu	process_vm_readv		sys_process_vm_readv
+352	nospu	process_vm_writev		sys_process_vm_writev
 353	nospu	finit_module			sys_finit_module
 354	nospu	kcmp				sys_kcmp
 355	common	sched_setattr			sys_sched_setattr
diff --git a/arch/s390/kernel/syscalls/syscall.tbl b/arch/s390/kernel/syscalls/syscall.tbl
index b5495a42814bd1..7485867a490bb2 100644
--- a/arch/s390/kernel/syscalls/syscall.tbl
+++ b/arch/s390/kernel/syscalls/syscall.tbl
@@ -347,8 +347,8 @@
 337  common	clock_adjtime		sys_clock_adjtime		sys_clock_adjtime32
 338  common	syncfs			sys_syncfs			sys_syncfs
 339  common	setns			sys_setns			sys_setns
-340  common	process_vm_readv	sys_process_vm_readv		compat_sys_process_vm_readv
-341  common	process_vm_writev	sys_process_vm_writev		compat_sys_process_vm_writev
+340  common	process_vm_readv	sys_process_vm_readv		sys_process_vm_readv
+341  common	process_vm_writev	sys_process_vm_writev		sys_process_vm_writev
 342  common	s390_runtime_instr	sys_s390_runtime_instr		sys_s390_runtime_instr
 343  common	kcmp			sys_kcmp			sys_kcmp
 344  common	finit_module		sys_finit_module		sys_finit_module
diff --git a/arch/sparc/kernel/syscalls/syscall.tbl b/arch/sparc/kernel/syscalls/syscall.tbl
index f1810c1a35caa5..4a9365b2e340b2 100644
--- a/arch/sparc/kernel/syscalls/syscall.tbl
+++ b/arch/sparc/kernel/syscalls/syscall.tbl
@@ -406,8 +406,8 @@
 335	common	syncfs			sys_syncfs
 336	common	sendmmsg		sys_sendmmsg			compat_sys_sendmmsg
 337	common	setns			sys_setns
-338	common	process_vm_readv	sys_process_vm_readv		compat_sys_process_vm_readv
-339	common	process_vm_writev	sys_process_vm_writev		compat_sys_process_vm_writev
+338	common	process_vm_readv	sys_process_vm_readv
+339	common	process_vm_writev	sys_process_vm_writev
 340	32	kern_features		sys_ni_syscall			sys_kern_features
 340	64	kern_features		sys_kern_features
 341	common	kcmp			sys_kcmp
diff --git a/arch/x86/entry/syscall_x32.c b/arch/x86/entry/syscall_x32.c
index a4840b9d50ad14..f2fe0a33bcfdd5 100644
--- a/arch/x86/entry/syscall_x32.c
+++ b/arch/x86/entry/syscall_x32.c
@@ -17,6 +17,8 @@
 #define __x32_sys_getsockopt	__x64_sys_getsockopt
 #define __x32_sys_setsockopt	__x64_sys_setsockopt
 #define __x32_sys_vmsplice	__x64_sys_vmsplice
+#define __x32_sys_process_vm_readv	__x64_sys_process_vm_readv
+#define __x32_sys_process_vm_writev	__x64_sys_process_vm_writev
 
 #define __SYSCALL_64(nr, sym)
 
diff --git a/arch/x86/entry/syscalls/syscall_32.tbl b/arch/x86/entry/syscalls/syscall_32.tbl
index 0fb2f172581e51..5fbe10ad8a23fc 100644
--- a/arch/x86/entry/syscalls/syscall_32.tbl
+++ b/arch/x86/entry/syscalls/syscall_32.tbl
@@ -358,8 +358,8 @@
 344	i386	syncfs			sys_syncfs
 345	i386	sendmmsg		sys_sendmmsg			compat_sys_sendmmsg
 346	i386	setns			sys_setns
-347	i386	process_vm_readv	sys_process_vm_readv		compat_sys_process_vm_readv
-348	i386	process_vm_writev	sys_process_vm_writev		compat_sys_process_vm_writev
+347	i386	process_vm_readv	sys_process_vm_readv
+348	i386	process_vm_writev	sys_process_vm_writev
 349	i386	kcmp			sys_kcmp
 350	i386	finit_module		sys_finit_module
 351	i386	sched_setattr		sys_sched_setattr
diff --git a/arch/x86/entry/syscalls/syscall_64.tbl b/arch/x86/entry/syscalls/syscall_64.tbl
index 642af919183de4..347809649ba28f 100644
--- a/arch/x86/entry/syscalls/syscall_64.tbl
+++ b/arch/x86/entry/syscalls/syscall_64.tbl
@@ -395,8 +395,8 @@
 536	x32	rt_tgsigqueueinfo	compat_sys_rt_tgsigqueueinfo
 537	x32	recvmmsg		compat_sys_recvmmsg_time64
 538	x32	sendmmsg		compat_sys_sendmmsg
-539	x32	process_vm_readv	compat_sys_process_vm_readv
-540	x32	process_vm_writev	compat_sys_process_vm_writev
+539	x32	process_vm_readv	sys_process_vm_readv
+540	x32	process_vm_writev	sys_process_vm_writev
 541	x32	setsockopt		sys_setsockopt
 542	x32	getsockopt		sys_getsockopt
 543	x32	io_setup		compat_sys_io_setup
diff --git a/include/linux/compat.h b/include/linux/compat.h
index a7af6ed06cb000..bbb065e09b058a 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -780,14 +780,6 @@ asmlinkage long compat_sys_open_by_handle_at(int mountdirfd,
 					     int flags);
 asmlinkage long compat_sys_sendmmsg(int fd, struct compat_mmsghdr __user *mmsg,
 				    unsigned vlen, unsigned int flags);
-asmlinkage ssize_t compat_sys_process_vm_readv(compat_pid_t pid,
-		const struct compat_iovec __user *lvec,
-		compat_ulong_t liovcnt, const struct compat_iovec __user *rvec,
-		compat_ulong_t riovcnt, compat_ulong_t flags);
-asmlinkage ssize_t compat_sys_process_vm_writev(compat_pid_t pid,
-		const struct compat_iovec __user *lvec,
-		compat_ulong_t liovcnt, const struct compat_iovec __user *rvec,
-		compat_ulong_t riovcnt, compat_ulong_t flags);
 asmlinkage long compat_sys_execveat(int dfd, const char __user *filename,
 		     const compat_uptr_t __user *argv,
 		     const compat_uptr_t __user *envp, int flags);
diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h
index f2dcb0d5703014..c1dfe99c9c3f70 100644
--- a/include/uapi/asm-generic/unistd.h
+++ b/include/uapi/asm-generic/unistd.h
@@ -727,11 +727,9 @@ __SYSCALL(__NR_setns, sys_setns)
 #define __NR_sendmmsg 269
 __SC_COMP(__NR_sendmmsg, sys_sendmmsg, compat_sys_sendmmsg)
 #define __NR_process_vm_readv 270
-__SC_COMP(__NR_process_vm_readv, sys_process_vm_readv, \
-          compat_sys_process_vm_readv)
+__SYSCALL(__NR_process_vm_readv, sys_process_vm_readv)
 #define __NR_process_vm_writev 271
-__SC_COMP(__NR_process_vm_writev, sys_process_vm_writev, \
-          compat_sys_process_vm_writev)
+__SYSCALL(__NR_process_vm_writev, sys_process_vm_writev)
 #define __NR_kcmp 272
 __SYSCALL(__NR_kcmp, sys_kcmp)
 #define __NR_finit_module 273
diff --git a/mm/process_vm_access.c b/mm/process_vm_access.c
index f21feebbd48f39..752bb724f10efa 100644
--- a/mm/process_vm_access.c
+++ b/mm/process_vm_access.c
@@ -14,10 +14,6 @@
 #include <linux/slab.h>
 #include <linux/syscalls.h>
 
-#ifdef CONFIG_COMPAT
-#include <linux/compat.h>
-#endif
-
 /**
  * process_vm_rw_pages - read/write pages from task specified
  * @pages: array of pointers to pages we want to copy
@@ -307,69 +303,3 @@ SYSCALL_DEFINE6(process_vm_writev, pid_t, pid,
 {
 	return process_vm_rw(pid, lvec, liovcnt, rvec, riovcnt, flags, 1);
 }
-
-#ifdef CONFIG_COMPAT
-
-static ssize_t
-compat_process_vm_rw(compat_pid_t pid,
-		     const struct compat_iovec __user *lvec,
-		     unsigned long liovcnt,
-		     const struct compat_iovec __user *rvec,
-		     unsigned long riovcnt,
-		     unsigned long flags, int vm_write)
-{
-	struct iovec iovstack_l[UIO_FASTIOV];
-	struct iovec iovstack_r[UIO_FASTIOV];
-	struct iovec *iov_l = iovstack_l;
-	struct iovec *iov_r = iovstack_r;
-	struct iov_iter iter;
-	ssize_t rc = -EFAULT;
-	int dir = vm_write ? WRITE : READ;
-
-	if (flags != 0)
-		return -EINVAL;
-
-	rc = import_iovec(dir, (const struct iovec __user *)lvec, liovcnt,
-			  UIO_FASTIOV, &iov_l, &iter);
-	if (rc < 0)
-		return rc;
-	if (!iov_iter_count(&iter))
-		goto free_iovecs;
-	rc = rw_copy_check_uvector(CHECK_IOVEC_ONLY,
-				   (const struct iovec __user *)rvec, riovcnt,
-				   UIO_FASTIOV, iovstack_r, &iov_r);
-	if (rc <= 0)
-		goto free_iovecs;
-
-	rc = process_vm_rw_core(pid, &iter, iov_r, riovcnt, flags, vm_write);
-
-free_iovecs:
-	if (iov_r != iovstack_r)
-		kfree(iov_r);
-	kfree(iov_l);
-	return rc;
-}
-
-COMPAT_SYSCALL_DEFINE6(process_vm_readv, compat_pid_t, pid,
-		       const struct compat_iovec __user *, lvec,
-		       compat_ulong_t, liovcnt,
-		       const struct compat_iovec __user *, rvec,
-		       compat_ulong_t, riovcnt,
-		       compat_ulong_t, flags)
-{
-	return compat_process_vm_rw(pid, lvec, liovcnt, rvec,
-				    riovcnt, flags, 0);
-}
-
-COMPAT_SYSCALL_DEFINE6(process_vm_writev, compat_pid_t, pid,
-		       const struct compat_iovec __user *, lvec,
-		       compat_ulong_t, liovcnt,
-		       const struct compat_iovec __user *, rvec,
-		       compat_ulong_t, riovcnt,
-		       compat_ulong_t, flags)
-{
-	return compat_process_vm_rw(pid, lvec, liovcnt, rvec,
-				    riovcnt, flags, 1);
-}
-
-#endif
diff --git a/tools/include/uapi/asm-generic/unistd.h b/tools/include/uapi/asm-generic/unistd.h
index f2dcb0d5703014..c1dfe99c9c3f70 100644
--- a/tools/include/uapi/asm-generic/unistd.h
+++ b/tools/include/uapi/asm-generic/unistd.h
@@ -727,11 +727,9 @@ __SYSCALL(__NR_setns, sys_setns)
 #define __NR_sendmmsg 269
 __SC_COMP(__NR_sendmmsg, sys_sendmmsg, compat_sys_sendmmsg)
 #define __NR_process_vm_readv 270
-__SC_COMP(__NR_process_vm_readv, sys_process_vm_readv, \
-          compat_sys_process_vm_readv)
+__SYSCALL(__NR_process_vm_readv, sys_process_vm_readv)
 #define __NR_process_vm_writev 271
-__SC_COMP(__NR_process_vm_writev, sys_process_vm_writev, \
-          compat_sys_process_vm_writev)
+__SYSCALL(__NR_process_vm_writev, sys_process_vm_writev)
 #define __NR_kcmp 272
 __SYSCALL(__NR_kcmp, sys_kcmp)
 #define __NR_finit_module 273
diff --git a/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl b/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl
index 26f0347c15118b..a188f053cbf90a 100644
--- a/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl
+++ b/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl
@@ -443,8 +443,8 @@
 348	common	syncfs				sys_syncfs
 349	common	sendmmsg			sys_sendmmsg			compat_sys_sendmmsg
 350	common	setns				sys_setns
-351	nospu	process_vm_readv		sys_process_vm_readv		compat_sys_process_vm_readv
-352	nospu	process_vm_writev		sys_process_vm_writev		compat_sys_process_vm_writev
+351	nospu	process_vm_readv		sys_process_vm_readv
+352	nospu	process_vm_writev		sys_process_vm_writev
 353	nospu	finit_module			sys_finit_module
 354	nospu	kcmp				sys_kcmp
 355	common	sched_setattr			sys_sched_setattr
diff --git a/tools/perf/arch/s390/entry/syscalls/syscall.tbl b/tools/perf/arch/s390/entry/syscalls/syscall.tbl
index 02ad81f69bb7e3..c44c83032c3a04 100644
--- a/tools/perf/arch/s390/entry/syscalls/syscall.tbl
+++ b/tools/perf/arch/s390/entry/syscalls/syscall.tbl
@@ -347,8 +347,8 @@
 337  common	clock_adjtime		sys_clock_adjtime		compat_sys_clock_adjtime
 338  common	syncfs			sys_syncfs			sys_syncfs
 339  common	setns			sys_setns			sys_setns
-340  common	process_vm_readv	sys_process_vm_readv		compat_sys_process_vm_readv
-341  common	process_vm_writev	sys_process_vm_writev		compat_sys_process_vm_writev
+340  common	process_vm_readv	sys_process_vm_readv		sys_process_vm_readv
+341  common	process_vm_writev	sys_process_vm_writev		sys_process_vm_writev
 342  common	s390_runtime_instr	sys_s390_runtime_instr		sys_s390_runtime_instr
 343  common	kcmp			sys_kcmp			compat_sys_kcmp
 344  common	finit_module		sys_finit_module		compat_sys_finit_module
diff --git a/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl b/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
index 642af919183de4..347809649ba28f 100644
--- a/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
+++ b/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
@@ -395,8 +395,8 @@
 536	x32	rt_tgsigqueueinfo	compat_sys_rt_tgsigqueueinfo
 537	x32	recvmmsg		compat_sys_recvmmsg_time64
 538	x32	sendmmsg		compat_sys_sendmmsg
-539	x32	process_vm_readv	compat_sys_process_vm_readv
-540	x32	process_vm_writev	compat_sys_process_vm_writev
+539	x32	process_vm_readv	sys_process_vm_readv
+540	x32	process_vm_writev	sys_process_vm_writev
 541	x32	setsockopt		sys_setsockopt
 542	x32	getsockopt		sys_getsockopt
 543	x32	io_setup		compat_sys_io_setup
-- 
2.28.0

WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: linux-aio@kvack.org, linux-mips@vger.kernel.org,
	David Howells <dhowells@redhat.com>,
	linux-mm@kvack.org, keyrings@vger.kernel.org,
	sparclinux@vger.kernel.org, linux-arch@vger.kernel.org,
	linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org,
	x86@kernel.org, Arnd Bergmann <arnd@arndb.de>,
	linux-block@vger.kernel.org, io-uring@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	Jens Axboe <axboe@kernel.dk>,
	linux-parisc@vger.kernel.org, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-security-module@vger.kernel.org,
	linux-fsdevel@vger.kernel.org,
	Andrew Morton <akpm@linux-foundation.org>,
	linuxppc-dev@lists.ozlabs.org
Subject: [PATCH 8/9] mm: remove compat_process_vm_{readv,writev}
Date: Fri, 18 Sep 2020 14:45:32 +0200	[thread overview]
Message-ID: <20200918124533.3487701-9-hch@lst.de> (raw)
In-Reply-To: <20200918124533.3487701-1-hch@lst.de>

Now that import_iovec handles compat iovecs, the native syscalls
can be used for the compat case as well.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 arch/arm64/include/asm/unistd32.h             |  4 +-
 arch/mips/kernel/syscalls/syscall_n32.tbl     |  4 +-
 arch/mips/kernel/syscalls/syscall_o32.tbl     |  4 +-
 arch/parisc/kernel/syscalls/syscall.tbl       |  4 +-
 arch/powerpc/kernel/syscalls/syscall.tbl      |  4 +-
 arch/s390/kernel/syscalls/syscall.tbl         |  4 +-
 arch/sparc/kernel/syscalls/syscall.tbl        |  4 +-
 arch/x86/entry/syscall_x32.c                  |  2 +
 arch/x86/entry/syscalls/syscall_32.tbl        |  4 +-
 arch/x86/entry/syscalls/syscall_64.tbl        |  4 +-
 include/linux/compat.h                        |  8 ---
 include/uapi/asm-generic/unistd.h             |  6 +-
 mm/process_vm_access.c                        | 70 -------------------
 tools/include/uapi/asm-generic/unistd.h       |  6 +-
 .../arch/powerpc/entry/syscalls/syscall.tbl   |  4 +-
 .../perf/arch/s390/entry/syscalls/syscall.tbl |  4 +-
 .../arch/x86/entry/syscalls/syscall_64.tbl    |  4 +-
 17 files changed, 30 insertions(+), 110 deletions(-)

diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h
index 11dfae3a8563bd..0c280a05f699bf 100644
--- a/arch/arm64/include/asm/unistd32.h
+++ b/arch/arm64/include/asm/unistd32.h
@@ -763,9 +763,9 @@ __SYSCALL(__NR_sendmmsg, compat_sys_sendmmsg)
 #define __NR_setns 375
 __SYSCALL(__NR_setns, sys_setns)
 #define __NR_process_vm_readv 376
-__SYSCALL(__NR_process_vm_readv, compat_sys_process_vm_readv)
+__SYSCALL(__NR_process_vm_readv, sys_process_vm_readv)
 #define __NR_process_vm_writev 377
-__SYSCALL(__NR_process_vm_writev, compat_sys_process_vm_writev)
+__SYSCALL(__NR_process_vm_writev, sys_process_vm_writev)
 #define __NR_kcmp 378
 __SYSCALL(__NR_kcmp, sys_kcmp)
 #define __NR_finit_module 379
diff --git a/arch/mips/kernel/syscalls/syscall_n32.tbl b/arch/mips/kernel/syscalls/syscall_n32.tbl
index 5a39d4de0ac85b..0bc2e0fcf1ee56 100644
--- a/arch/mips/kernel/syscalls/syscall_n32.tbl
+++ b/arch/mips/kernel/syscalls/syscall_n32.tbl
@@ -317,8 +317,8 @@
 306	n32	syncfs				sys_syncfs
 307	n32	sendmmsg			compat_sys_sendmmsg
 308	n32	setns				sys_setns
-309	n32	process_vm_readv		compat_sys_process_vm_readv
-310	n32	process_vm_writev		compat_sys_process_vm_writev
+309	n32	process_vm_readv		sys_process_vm_readv
+310	n32	process_vm_writev		sys_process_vm_writev
 311	n32	kcmp				sys_kcmp
 312	n32	finit_module			sys_finit_module
 313	n32	sched_setattr			sys_sched_setattr
diff --git a/arch/mips/kernel/syscalls/syscall_o32.tbl b/arch/mips/kernel/syscalls/syscall_o32.tbl
index 136efc6b8c5444..b408c13b934296 100644
--- a/arch/mips/kernel/syscalls/syscall_o32.tbl
+++ b/arch/mips/kernel/syscalls/syscall_o32.tbl
@@ -356,8 +356,8 @@
 342	o32	syncfs				sys_syncfs
 343	o32	sendmmsg			sys_sendmmsg			compat_sys_sendmmsg
 344	o32	setns				sys_setns
-345	o32	process_vm_readv		sys_process_vm_readv		compat_sys_process_vm_readv
-346	o32	process_vm_writev		sys_process_vm_writev		compat_sys_process_vm_writev
+345	o32	process_vm_readv		sys_process_vm_readv
+346	o32	process_vm_writev		sys_process_vm_writev
 347	o32	kcmp				sys_kcmp
 348	o32	finit_module			sys_finit_module
 349	o32	sched_setattr			sys_sched_setattr
diff --git a/arch/parisc/kernel/syscalls/syscall.tbl b/arch/parisc/kernel/syscalls/syscall.tbl
index a9e184192caedd..2015a5124b78ad 100644
--- a/arch/parisc/kernel/syscalls/syscall.tbl
+++ b/arch/parisc/kernel/syscalls/syscall.tbl
@@ -372,8 +372,8 @@
 327	common	syncfs			sys_syncfs
 328	common	setns			sys_setns
 329	common	sendmmsg		sys_sendmmsg			compat_sys_sendmmsg
-330	common	process_vm_readv	sys_process_vm_readv		compat_sys_process_vm_readv
-331	common	process_vm_writev	sys_process_vm_writev		compat_sys_process_vm_writev
+330	common	process_vm_readv	sys_process_vm_readv
+331	common	process_vm_writev	sys_process_vm_writev
 332	common	kcmp			sys_kcmp
 333	common	finit_module		sys_finit_module
 334	common	sched_setattr		sys_sched_setattr
diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl b/arch/powerpc/kernel/syscalls/syscall.tbl
index 0d4985919ca34d..66a472aa635d3f 100644
--- a/arch/powerpc/kernel/syscalls/syscall.tbl
+++ b/arch/powerpc/kernel/syscalls/syscall.tbl
@@ -449,8 +449,8 @@
 348	common	syncfs				sys_syncfs
 349	common	sendmmsg			sys_sendmmsg			compat_sys_sendmmsg
 350	common	setns				sys_setns
-351	nospu	process_vm_readv		sys_process_vm_readv		compat_sys_process_vm_readv
-352	nospu	process_vm_writev		sys_process_vm_writev		compat_sys_process_vm_writev
+351	nospu	process_vm_readv		sys_process_vm_readv
+352	nospu	process_vm_writev		sys_process_vm_writev
 353	nospu	finit_module			sys_finit_module
 354	nospu	kcmp				sys_kcmp
 355	common	sched_setattr			sys_sched_setattr
diff --git a/arch/s390/kernel/syscalls/syscall.tbl b/arch/s390/kernel/syscalls/syscall.tbl
index b5495a42814bd1..7485867a490bb2 100644
--- a/arch/s390/kernel/syscalls/syscall.tbl
+++ b/arch/s390/kernel/syscalls/syscall.tbl
@@ -347,8 +347,8 @@
 337  common	clock_adjtime		sys_clock_adjtime		sys_clock_adjtime32
 338  common	syncfs			sys_syncfs			sys_syncfs
 339  common	setns			sys_setns			sys_setns
-340  common	process_vm_readv	sys_process_vm_readv		compat_sys_process_vm_readv
-341  common	process_vm_writev	sys_process_vm_writev		compat_sys_process_vm_writev
+340  common	process_vm_readv	sys_process_vm_readv		sys_process_vm_readv
+341  common	process_vm_writev	sys_process_vm_writev		sys_process_vm_writev
 342  common	s390_runtime_instr	sys_s390_runtime_instr		sys_s390_runtime_instr
 343  common	kcmp			sys_kcmp			sys_kcmp
 344  common	finit_module		sys_finit_module		sys_finit_module
diff --git a/arch/sparc/kernel/syscalls/syscall.tbl b/arch/sparc/kernel/syscalls/syscall.tbl
index f1810c1a35caa5..4a9365b2e340b2 100644
--- a/arch/sparc/kernel/syscalls/syscall.tbl
+++ b/arch/sparc/kernel/syscalls/syscall.tbl
@@ -406,8 +406,8 @@
 335	common	syncfs			sys_syncfs
 336	common	sendmmsg		sys_sendmmsg			compat_sys_sendmmsg
 337	common	setns			sys_setns
-338	common	process_vm_readv	sys_process_vm_readv		compat_sys_process_vm_readv
-339	common	process_vm_writev	sys_process_vm_writev		compat_sys_process_vm_writev
+338	common	process_vm_readv	sys_process_vm_readv
+339	common	process_vm_writev	sys_process_vm_writev
 340	32	kern_features		sys_ni_syscall			sys_kern_features
 340	64	kern_features		sys_kern_features
 341	common	kcmp			sys_kcmp
diff --git a/arch/x86/entry/syscall_x32.c b/arch/x86/entry/syscall_x32.c
index a4840b9d50ad14..f2fe0a33bcfdd5 100644
--- a/arch/x86/entry/syscall_x32.c
+++ b/arch/x86/entry/syscall_x32.c
@@ -17,6 +17,8 @@
 #define __x32_sys_getsockopt	__x64_sys_getsockopt
 #define __x32_sys_setsockopt	__x64_sys_setsockopt
 #define __x32_sys_vmsplice	__x64_sys_vmsplice
+#define __x32_sys_process_vm_readv	__x64_sys_process_vm_readv
+#define __x32_sys_process_vm_writev	__x64_sys_process_vm_writev
 
 #define __SYSCALL_64(nr, sym)
 
diff --git a/arch/x86/entry/syscalls/syscall_32.tbl b/arch/x86/entry/syscalls/syscall_32.tbl
index 0fb2f172581e51..5fbe10ad8a23fc 100644
--- a/arch/x86/entry/syscalls/syscall_32.tbl
+++ b/arch/x86/entry/syscalls/syscall_32.tbl
@@ -358,8 +358,8 @@
 344	i386	syncfs			sys_syncfs
 345	i386	sendmmsg		sys_sendmmsg			compat_sys_sendmmsg
 346	i386	setns			sys_setns
-347	i386	process_vm_readv	sys_process_vm_readv		compat_sys_process_vm_readv
-348	i386	process_vm_writev	sys_process_vm_writev		compat_sys_process_vm_writev
+347	i386	process_vm_readv	sys_process_vm_readv
+348	i386	process_vm_writev	sys_process_vm_writev
 349	i386	kcmp			sys_kcmp
 350	i386	finit_module		sys_finit_module
 351	i386	sched_setattr		sys_sched_setattr
diff --git a/arch/x86/entry/syscalls/syscall_64.tbl b/arch/x86/entry/syscalls/syscall_64.tbl
index 642af919183de4..347809649ba28f 100644
--- a/arch/x86/entry/syscalls/syscall_64.tbl
+++ b/arch/x86/entry/syscalls/syscall_64.tbl
@@ -395,8 +395,8 @@
 536	x32	rt_tgsigqueueinfo	compat_sys_rt_tgsigqueueinfo
 537	x32	recvmmsg		compat_sys_recvmmsg_time64
 538	x32	sendmmsg		compat_sys_sendmmsg
-539	x32	process_vm_readv	compat_sys_process_vm_readv
-540	x32	process_vm_writev	compat_sys_process_vm_writev
+539	x32	process_vm_readv	sys_process_vm_readv
+540	x32	process_vm_writev	sys_process_vm_writev
 541	x32	setsockopt		sys_setsockopt
 542	x32	getsockopt		sys_getsockopt
 543	x32	io_setup		compat_sys_io_setup
diff --git a/include/linux/compat.h b/include/linux/compat.h
index a7af6ed06cb000..bbb065e09b058a 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -780,14 +780,6 @@ asmlinkage long compat_sys_open_by_handle_at(int mountdirfd,
 					     int flags);
 asmlinkage long compat_sys_sendmmsg(int fd, struct compat_mmsghdr __user *mmsg,
 				    unsigned vlen, unsigned int flags);
-asmlinkage ssize_t compat_sys_process_vm_readv(compat_pid_t pid,
-		const struct compat_iovec __user *lvec,
-		compat_ulong_t liovcnt, const struct compat_iovec __user *rvec,
-		compat_ulong_t riovcnt, compat_ulong_t flags);
-asmlinkage ssize_t compat_sys_process_vm_writev(compat_pid_t pid,
-		const struct compat_iovec __user *lvec,
-		compat_ulong_t liovcnt, const struct compat_iovec __user *rvec,
-		compat_ulong_t riovcnt, compat_ulong_t flags);
 asmlinkage long compat_sys_execveat(int dfd, const char __user *filename,
 		     const compat_uptr_t __user *argv,
 		     const compat_uptr_t __user *envp, int flags);
diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h
index f2dcb0d5703014..c1dfe99c9c3f70 100644
--- a/include/uapi/asm-generic/unistd.h
+++ b/include/uapi/asm-generic/unistd.h
@@ -727,11 +727,9 @@ __SYSCALL(__NR_setns, sys_setns)
 #define __NR_sendmmsg 269
 __SC_COMP(__NR_sendmmsg, sys_sendmmsg, compat_sys_sendmmsg)
 #define __NR_process_vm_readv 270
-__SC_COMP(__NR_process_vm_readv, sys_process_vm_readv, \
-          compat_sys_process_vm_readv)
+__SYSCALL(__NR_process_vm_readv, sys_process_vm_readv)
 #define __NR_process_vm_writev 271
-__SC_COMP(__NR_process_vm_writev, sys_process_vm_writev, \
-          compat_sys_process_vm_writev)
+__SYSCALL(__NR_process_vm_writev, sys_process_vm_writev)
 #define __NR_kcmp 272
 __SYSCALL(__NR_kcmp, sys_kcmp)
 #define __NR_finit_module 273
diff --git a/mm/process_vm_access.c b/mm/process_vm_access.c
index f21feebbd48f39..752bb724f10efa 100644
--- a/mm/process_vm_access.c
+++ b/mm/process_vm_access.c
@@ -14,10 +14,6 @@
 #include <linux/slab.h>
 #include <linux/syscalls.h>
 
-#ifdef CONFIG_COMPAT
-#include <linux/compat.h>
-#endif
-
 /**
  * process_vm_rw_pages - read/write pages from task specified
  * @pages: array of pointers to pages we want to copy
@@ -307,69 +303,3 @@ SYSCALL_DEFINE6(process_vm_writev, pid_t, pid,
 {
 	return process_vm_rw(pid, lvec, liovcnt, rvec, riovcnt, flags, 1);
 }
-
-#ifdef CONFIG_COMPAT
-
-static ssize_t
-compat_process_vm_rw(compat_pid_t pid,
-		     const struct compat_iovec __user *lvec,
-		     unsigned long liovcnt,
-		     const struct compat_iovec __user *rvec,
-		     unsigned long riovcnt,
-		     unsigned long flags, int vm_write)
-{
-	struct iovec iovstack_l[UIO_FASTIOV];
-	struct iovec iovstack_r[UIO_FASTIOV];
-	struct iovec *iov_l = iovstack_l;
-	struct iovec *iov_r = iovstack_r;
-	struct iov_iter iter;
-	ssize_t rc = -EFAULT;
-	int dir = vm_write ? WRITE : READ;
-
-	if (flags != 0)
-		return -EINVAL;
-
-	rc = import_iovec(dir, (const struct iovec __user *)lvec, liovcnt,
-			  UIO_FASTIOV, &iov_l, &iter);
-	if (rc < 0)
-		return rc;
-	if (!iov_iter_count(&iter))
-		goto free_iovecs;
-	rc = rw_copy_check_uvector(CHECK_IOVEC_ONLY,
-				   (const struct iovec __user *)rvec, riovcnt,
-				   UIO_FASTIOV, iovstack_r, &iov_r);
-	if (rc <= 0)
-		goto free_iovecs;
-
-	rc = process_vm_rw_core(pid, &iter, iov_r, riovcnt, flags, vm_write);
-
-free_iovecs:
-	if (iov_r != iovstack_r)
-		kfree(iov_r);
-	kfree(iov_l);
-	return rc;
-}
-
-COMPAT_SYSCALL_DEFINE6(process_vm_readv, compat_pid_t, pid,
-		       const struct compat_iovec __user *, lvec,
-		       compat_ulong_t, liovcnt,
-		       const struct compat_iovec __user *, rvec,
-		       compat_ulong_t, riovcnt,
-		       compat_ulong_t, flags)
-{
-	return compat_process_vm_rw(pid, lvec, liovcnt, rvec,
-				    riovcnt, flags, 0);
-}
-
-COMPAT_SYSCALL_DEFINE6(process_vm_writev, compat_pid_t, pid,
-		       const struct compat_iovec __user *, lvec,
-		       compat_ulong_t, liovcnt,
-		       const struct compat_iovec __user *, rvec,
-		       compat_ulong_t, riovcnt,
-		       compat_ulong_t, flags)
-{
-	return compat_process_vm_rw(pid, lvec, liovcnt, rvec,
-				    riovcnt, flags, 1);
-}
-
-#endif
diff --git a/tools/include/uapi/asm-generic/unistd.h b/tools/include/uapi/asm-generic/unistd.h
index f2dcb0d5703014..c1dfe99c9c3f70 100644
--- a/tools/include/uapi/asm-generic/unistd.h
+++ b/tools/include/uapi/asm-generic/unistd.h
@@ -727,11 +727,9 @@ __SYSCALL(__NR_setns, sys_setns)
 #define __NR_sendmmsg 269
 __SC_COMP(__NR_sendmmsg, sys_sendmmsg, compat_sys_sendmmsg)
 #define __NR_process_vm_readv 270
-__SC_COMP(__NR_process_vm_readv, sys_process_vm_readv, \
-          compat_sys_process_vm_readv)
+__SYSCALL(__NR_process_vm_readv, sys_process_vm_readv)
 #define __NR_process_vm_writev 271
-__SC_COMP(__NR_process_vm_writev, sys_process_vm_writev, \
-          compat_sys_process_vm_writev)
+__SYSCALL(__NR_process_vm_writev, sys_process_vm_writev)
 #define __NR_kcmp 272
 __SYSCALL(__NR_kcmp, sys_kcmp)
 #define __NR_finit_module 273
diff --git a/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl b/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl
index 26f0347c15118b..a188f053cbf90a 100644
--- a/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl
+++ b/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl
@@ -443,8 +443,8 @@
 348	common	syncfs				sys_syncfs
 349	common	sendmmsg			sys_sendmmsg			compat_sys_sendmmsg
 350	common	setns				sys_setns
-351	nospu	process_vm_readv		sys_process_vm_readv		compat_sys_process_vm_readv
-352	nospu	process_vm_writev		sys_process_vm_writev		compat_sys_process_vm_writev
+351	nospu	process_vm_readv		sys_process_vm_readv
+352	nospu	process_vm_writev		sys_process_vm_writev
 353	nospu	finit_module			sys_finit_module
 354	nospu	kcmp				sys_kcmp
 355	common	sched_setattr			sys_sched_setattr
diff --git a/tools/perf/arch/s390/entry/syscalls/syscall.tbl b/tools/perf/arch/s390/entry/syscalls/syscall.tbl
index 02ad81f69bb7e3..c44c83032c3a04 100644
--- a/tools/perf/arch/s390/entry/syscalls/syscall.tbl
+++ b/tools/perf/arch/s390/entry/syscalls/syscall.tbl
@@ -347,8 +347,8 @@
 337  common	clock_adjtime		sys_clock_adjtime		compat_sys_clock_adjtime
 338  common	syncfs			sys_syncfs			sys_syncfs
 339  common	setns			sys_setns			sys_setns
-340  common	process_vm_readv	sys_process_vm_readv		compat_sys_process_vm_readv
-341  common	process_vm_writev	sys_process_vm_writev		compat_sys_process_vm_writev
+340  common	process_vm_readv	sys_process_vm_readv		sys_process_vm_readv
+341  common	process_vm_writev	sys_process_vm_writev		sys_process_vm_writev
 342  common	s390_runtime_instr	sys_s390_runtime_instr		sys_s390_runtime_instr
 343  common	kcmp			sys_kcmp			compat_sys_kcmp
 344  common	finit_module		sys_finit_module		compat_sys_finit_module
diff --git a/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl b/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
index 642af919183de4..347809649ba28f 100644
--- a/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
+++ b/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
@@ -395,8 +395,8 @@
 536	x32	rt_tgsigqueueinfo	compat_sys_rt_tgsigqueueinfo
 537	x32	recvmmsg		compat_sys_recvmmsg_time64
 538	x32	sendmmsg		compat_sys_sendmmsg
-539	x32	process_vm_readv	compat_sys_process_vm_readv
-540	x32	process_vm_writev	compat_sys_process_vm_writev
+539	x32	process_vm_readv	sys_process_vm_readv
+540	x32	process_vm_writev	sys_process_vm_writev
 541	x32	setsockopt		sys_setsockopt
 542	x32	getsockopt		sys_getsockopt
 543	x32	io_setup		compat_sys_io_setup
-- 
2.28.0


WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: linux-aio@kvack.org, linux-mips@vger.kernel.org,
	David Howells <dhowells@redhat.com>,
	linux-mm@kvack.org, keyrings@vger.kernel.org,
	sparclinux@vger.kernel.org, linux-arch@vger.kernel.org,
	linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org,
	x86@kernel.org, Arnd Bergmann <arnd@arndb.de>,
	linux-block@vger.kernel.org, io-uring@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	Jens Axboe <axboe@kernel.dk>,
	linux-parisc@vger.kernel.org, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-security-module@vger.kernel.org,
	linux-fsdevel@vger.kernel.org,
	Andrew Morton <akpm@linux-foundation.org>,
	linuxppc-dev@lists.ozlabs.org
Subject: [PATCH 8/9] mm: remove compat_process_vm_{readv,writev}
Date: Fri, 18 Sep 2020 14:45:32 +0200	[thread overview]
Message-ID: <20200918124533.3487701-9-hch@lst.de> (raw)
In-Reply-To: <20200918124533.3487701-1-hch@lst.de>

Now that import_iovec handles compat iovecs, the native syscalls
can be used for the compat case as well.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 arch/arm64/include/asm/unistd32.h             |  4 +-
 arch/mips/kernel/syscalls/syscall_n32.tbl     |  4 +-
 arch/mips/kernel/syscalls/syscall_o32.tbl     |  4 +-
 arch/parisc/kernel/syscalls/syscall.tbl       |  4 +-
 arch/powerpc/kernel/syscalls/syscall.tbl      |  4 +-
 arch/s390/kernel/syscalls/syscall.tbl         |  4 +-
 arch/sparc/kernel/syscalls/syscall.tbl        |  4 +-
 arch/x86/entry/syscall_x32.c                  |  2 +
 arch/x86/entry/syscalls/syscall_32.tbl        |  4 +-
 arch/x86/entry/syscalls/syscall_64.tbl        |  4 +-
 include/linux/compat.h                        |  8 ---
 include/uapi/asm-generic/unistd.h             |  6 +-
 mm/process_vm_access.c                        | 70 -------------------
 tools/include/uapi/asm-generic/unistd.h       |  6 +-
 .../arch/powerpc/entry/syscalls/syscall.tbl   |  4 +-
 .../perf/arch/s390/entry/syscalls/syscall.tbl |  4 +-
 .../arch/x86/entry/syscalls/syscall_64.tbl    |  4 +-
 17 files changed, 30 insertions(+), 110 deletions(-)

diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h
index 11dfae3a8563bd..0c280a05f699bf 100644
--- a/arch/arm64/include/asm/unistd32.h
+++ b/arch/arm64/include/asm/unistd32.h
@@ -763,9 +763,9 @@ __SYSCALL(__NR_sendmmsg, compat_sys_sendmmsg)
 #define __NR_setns 375
 __SYSCALL(__NR_setns, sys_setns)
 #define __NR_process_vm_readv 376
-__SYSCALL(__NR_process_vm_readv, compat_sys_process_vm_readv)
+__SYSCALL(__NR_process_vm_readv, sys_process_vm_readv)
 #define __NR_process_vm_writev 377
-__SYSCALL(__NR_process_vm_writev, compat_sys_process_vm_writev)
+__SYSCALL(__NR_process_vm_writev, sys_process_vm_writev)
 #define __NR_kcmp 378
 __SYSCALL(__NR_kcmp, sys_kcmp)
 #define __NR_finit_module 379
diff --git a/arch/mips/kernel/syscalls/syscall_n32.tbl b/arch/mips/kernel/syscalls/syscall_n32.tbl
index 5a39d4de0ac85b..0bc2e0fcf1ee56 100644
--- a/arch/mips/kernel/syscalls/syscall_n32.tbl
+++ b/arch/mips/kernel/syscalls/syscall_n32.tbl
@@ -317,8 +317,8 @@
 306	n32	syncfs				sys_syncfs
 307	n32	sendmmsg			compat_sys_sendmmsg
 308	n32	setns				sys_setns
-309	n32	process_vm_readv		compat_sys_process_vm_readv
-310	n32	process_vm_writev		compat_sys_process_vm_writev
+309	n32	process_vm_readv		sys_process_vm_readv
+310	n32	process_vm_writev		sys_process_vm_writev
 311	n32	kcmp				sys_kcmp
 312	n32	finit_module			sys_finit_module
 313	n32	sched_setattr			sys_sched_setattr
diff --git a/arch/mips/kernel/syscalls/syscall_o32.tbl b/arch/mips/kernel/syscalls/syscall_o32.tbl
index 136efc6b8c5444..b408c13b934296 100644
--- a/arch/mips/kernel/syscalls/syscall_o32.tbl
+++ b/arch/mips/kernel/syscalls/syscall_o32.tbl
@@ -356,8 +356,8 @@
 342	o32	syncfs				sys_syncfs
 343	o32	sendmmsg			sys_sendmmsg			compat_sys_sendmmsg
 344	o32	setns				sys_setns
-345	o32	process_vm_readv		sys_process_vm_readv		compat_sys_process_vm_readv
-346	o32	process_vm_writev		sys_process_vm_writev		compat_sys_process_vm_writev
+345	o32	process_vm_readv		sys_process_vm_readv
+346	o32	process_vm_writev		sys_process_vm_writev
 347	o32	kcmp				sys_kcmp
 348	o32	finit_module			sys_finit_module
 349	o32	sched_setattr			sys_sched_setattr
diff --git a/arch/parisc/kernel/syscalls/syscall.tbl b/arch/parisc/kernel/syscalls/syscall.tbl
index a9e184192caedd..2015a5124b78ad 100644
--- a/arch/parisc/kernel/syscalls/syscall.tbl
+++ b/arch/parisc/kernel/syscalls/syscall.tbl
@@ -372,8 +372,8 @@
 327	common	syncfs			sys_syncfs
 328	common	setns			sys_setns
 329	common	sendmmsg		sys_sendmmsg			compat_sys_sendmmsg
-330	common	process_vm_readv	sys_process_vm_readv		compat_sys_process_vm_readv
-331	common	process_vm_writev	sys_process_vm_writev		compat_sys_process_vm_writev
+330	common	process_vm_readv	sys_process_vm_readv
+331	common	process_vm_writev	sys_process_vm_writev
 332	common	kcmp			sys_kcmp
 333	common	finit_module		sys_finit_module
 334	common	sched_setattr		sys_sched_setattr
diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl b/arch/powerpc/kernel/syscalls/syscall.tbl
index 0d4985919ca34d..66a472aa635d3f 100644
--- a/arch/powerpc/kernel/syscalls/syscall.tbl
+++ b/arch/powerpc/kernel/syscalls/syscall.tbl
@@ -449,8 +449,8 @@
 348	common	syncfs				sys_syncfs
 349	common	sendmmsg			sys_sendmmsg			compat_sys_sendmmsg
 350	common	setns				sys_setns
-351	nospu	process_vm_readv		sys_process_vm_readv		compat_sys_process_vm_readv
-352	nospu	process_vm_writev		sys_process_vm_writev		compat_sys_process_vm_writev
+351	nospu	process_vm_readv		sys_process_vm_readv
+352	nospu	process_vm_writev		sys_process_vm_writev
 353	nospu	finit_module			sys_finit_module
 354	nospu	kcmp				sys_kcmp
 355	common	sched_setattr			sys_sched_setattr
diff --git a/arch/s390/kernel/syscalls/syscall.tbl b/arch/s390/kernel/syscalls/syscall.tbl
index b5495a42814bd1..7485867a490bb2 100644
--- a/arch/s390/kernel/syscalls/syscall.tbl
+++ b/arch/s390/kernel/syscalls/syscall.tbl
@@ -347,8 +347,8 @@
 337  common	clock_adjtime		sys_clock_adjtime		sys_clock_adjtime32
 338  common	syncfs			sys_syncfs			sys_syncfs
 339  common	setns			sys_setns			sys_setns
-340  common	process_vm_readv	sys_process_vm_readv		compat_sys_process_vm_readv
-341  common	process_vm_writev	sys_process_vm_writev		compat_sys_process_vm_writev
+340  common	process_vm_readv	sys_process_vm_readv		sys_process_vm_readv
+341  common	process_vm_writev	sys_process_vm_writev		sys_process_vm_writev
 342  common	s390_runtime_instr	sys_s390_runtime_instr		sys_s390_runtime_instr
 343  common	kcmp			sys_kcmp			sys_kcmp
 344  common	finit_module		sys_finit_module		sys_finit_module
diff --git a/arch/sparc/kernel/syscalls/syscall.tbl b/arch/sparc/kernel/syscalls/syscall.tbl
index f1810c1a35caa5..4a9365b2e340b2 100644
--- a/arch/sparc/kernel/syscalls/syscall.tbl
+++ b/arch/sparc/kernel/syscalls/syscall.tbl
@@ -406,8 +406,8 @@
 335	common	syncfs			sys_syncfs
 336	common	sendmmsg		sys_sendmmsg			compat_sys_sendmmsg
 337	common	setns			sys_setns
-338	common	process_vm_readv	sys_process_vm_readv		compat_sys_process_vm_readv
-339	common	process_vm_writev	sys_process_vm_writev		compat_sys_process_vm_writev
+338	common	process_vm_readv	sys_process_vm_readv
+339	common	process_vm_writev	sys_process_vm_writev
 340	32	kern_features		sys_ni_syscall			sys_kern_features
 340	64	kern_features		sys_kern_features
 341	common	kcmp			sys_kcmp
diff --git a/arch/x86/entry/syscall_x32.c b/arch/x86/entry/syscall_x32.c
index a4840b9d50ad14..f2fe0a33bcfdd5 100644
--- a/arch/x86/entry/syscall_x32.c
+++ b/arch/x86/entry/syscall_x32.c
@@ -17,6 +17,8 @@
 #define __x32_sys_getsockopt	__x64_sys_getsockopt
 #define __x32_sys_setsockopt	__x64_sys_setsockopt
 #define __x32_sys_vmsplice	__x64_sys_vmsplice
+#define __x32_sys_process_vm_readv	__x64_sys_process_vm_readv
+#define __x32_sys_process_vm_writev	__x64_sys_process_vm_writev
 
 #define __SYSCALL_64(nr, sym)
 
diff --git a/arch/x86/entry/syscalls/syscall_32.tbl b/arch/x86/entry/syscalls/syscall_32.tbl
index 0fb2f172581e51..5fbe10ad8a23fc 100644
--- a/arch/x86/entry/syscalls/syscall_32.tbl
+++ b/arch/x86/entry/syscalls/syscall_32.tbl
@@ -358,8 +358,8 @@
 344	i386	syncfs			sys_syncfs
 345	i386	sendmmsg		sys_sendmmsg			compat_sys_sendmmsg
 346	i386	setns			sys_setns
-347	i386	process_vm_readv	sys_process_vm_readv		compat_sys_process_vm_readv
-348	i386	process_vm_writev	sys_process_vm_writev		compat_sys_process_vm_writev
+347	i386	process_vm_readv	sys_process_vm_readv
+348	i386	process_vm_writev	sys_process_vm_writev
 349	i386	kcmp			sys_kcmp
 350	i386	finit_module		sys_finit_module
 351	i386	sched_setattr		sys_sched_setattr
diff --git a/arch/x86/entry/syscalls/syscall_64.tbl b/arch/x86/entry/syscalls/syscall_64.tbl
index 642af919183de4..347809649ba28f 100644
--- a/arch/x86/entry/syscalls/syscall_64.tbl
+++ b/arch/x86/entry/syscalls/syscall_64.tbl
@@ -395,8 +395,8 @@
 536	x32	rt_tgsigqueueinfo	compat_sys_rt_tgsigqueueinfo
 537	x32	recvmmsg		compat_sys_recvmmsg_time64
 538	x32	sendmmsg		compat_sys_sendmmsg
-539	x32	process_vm_readv	compat_sys_process_vm_readv
-540	x32	process_vm_writev	compat_sys_process_vm_writev
+539	x32	process_vm_readv	sys_process_vm_readv
+540	x32	process_vm_writev	sys_process_vm_writev
 541	x32	setsockopt		sys_setsockopt
 542	x32	getsockopt		sys_getsockopt
 543	x32	io_setup		compat_sys_io_setup
diff --git a/include/linux/compat.h b/include/linux/compat.h
index a7af6ed06cb000..bbb065e09b058a 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -780,14 +780,6 @@ asmlinkage long compat_sys_open_by_handle_at(int mountdirfd,
 					     int flags);
 asmlinkage long compat_sys_sendmmsg(int fd, struct compat_mmsghdr __user *mmsg,
 				    unsigned vlen, unsigned int flags);
-asmlinkage ssize_t compat_sys_process_vm_readv(compat_pid_t pid,
-		const struct compat_iovec __user *lvec,
-		compat_ulong_t liovcnt, const struct compat_iovec __user *rvec,
-		compat_ulong_t riovcnt, compat_ulong_t flags);
-asmlinkage ssize_t compat_sys_process_vm_writev(compat_pid_t pid,
-		const struct compat_iovec __user *lvec,
-		compat_ulong_t liovcnt, const struct compat_iovec __user *rvec,
-		compat_ulong_t riovcnt, compat_ulong_t flags);
 asmlinkage long compat_sys_execveat(int dfd, const char __user *filename,
 		     const compat_uptr_t __user *argv,
 		     const compat_uptr_t __user *envp, int flags);
diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h
index f2dcb0d5703014..c1dfe99c9c3f70 100644
--- a/include/uapi/asm-generic/unistd.h
+++ b/include/uapi/asm-generic/unistd.h
@@ -727,11 +727,9 @@ __SYSCALL(__NR_setns, sys_setns)
 #define __NR_sendmmsg 269
 __SC_COMP(__NR_sendmmsg, sys_sendmmsg, compat_sys_sendmmsg)
 #define __NR_process_vm_readv 270
-__SC_COMP(__NR_process_vm_readv, sys_process_vm_readv, \
-          compat_sys_process_vm_readv)
+__SYSCALL(__NR_process_vm_readv, sys_process_vm_readv)
 #define __NR_process_vm_writev 271
-__SC_COMP(__NR_process_vm_writev, sys_process_vm_writev, \
-          compat_sys_process_vm_writev)
+__SYSCALL(__NR_process_vm_writev, sys_process_vm_writev)
 #define __NR_kcmp 272
 __SYSCALL(__NR_kcmp, sys_kcmp)
 #define __NR_finit_module 273
diff --git a/mm/process_vm_access.c b/mm/process_vm_access.c
index f21feebbd48f39..752bb724f10efa 100644
--- a/mm/process_vm_access.c
+++ b/mm/process_vm_access.c
@@ -14,10 +14,6 @@
 #include <linux/slab.h>
 #include <linux/syscalls.h>
 
-#ifdef CONFIG_COMPAT
-#include <linux/compat.h>
-#endif
-
 /**
  * process_vm_rw_pages - read/write pages from task specified
  * @pages: array of pointers to pages we want to copy
@@ -307,69 +303,3 @@ SYSCALL_DEFINE6(process_vm_writev, pid_t, pid,
 {
 	return process_vm_rw(pid, lvec, liovcnt, rvec, riovcnt, flags, 1);
 }
-
-#ifdef CONFIG_COMPAT
-
-static ssize_t
-compat_process_vm_rw(compat_pid_t pid,
-		     const struct compat_iovec __user *lvec,
-		     unsigned long liovcnt,
-		     const struct compat_iovec __user *rvec,
-		     unsigned long riovcnt,
-		     unsigned long flags, int vm_write)
-{
-	struct iovec iovstack_l[UIO_FASTIOV];
-	struct iovec iovstack_r[UIO_FASTIOV];
-	struct iovec *iov_l = iovstack_l;
-	struct iovec *iov_r = iovstack_r;
-	struct iov_iter iter;
-	ssize_t rc = -EFAULT;
-	int dir = vm_write ? WRITE : READ;
-
-	if (flags != 0)
-		return -EINVAL;
-
-	rc = import_iovec(dir, (const struct iovec __user *)lvec, liovcnt,
-			  UIO_FASTIOV, &iov_l, &iter);
-	if (rc < 0)
-		return rc;
-	if (!iov_iter_count(&iter))
-		goto free_iovecs;
-	rc = rw_copy_check_uvector(CHECK_IOVEC_ONLY,
-				   (const struct iovec __user *)rvec, riovcnt,
-				   UIO_FASTIOV, iovstack_r, &iov_r);
-	if (rc <= 0)
-		goto free_iovecs;
-
-	rc = process_vm_rw_core(pid, &iter, iov_r, riovcnt, flags, vm_write);
-
-free_iovecs:
-	if (iov_r != iovstack_r)
-		kfree(iov_r);
-	kfree(iov_l);
-	return rc;
-}
-
-COMPAT_SYSCALL_DEFINE6(process_vm_readv, compat_pid_t, pid,
-		       const struct compat_iovec __user *, lvec,
-		       compat_ulong_t, liovcnt,
-		       const struct compat_iovec __user *, rvec,
-		       compat_ulong_t, riovcnt,
-		       compat_ulong_t, flags)
-{
-	return compat_process_vm_rw(pid, lvec, liovcnt, rvec,
-				    riovcnt, flags, 0);
-}
-
-COMPAT_SYSCALL_DEFINE6(process_vm_writev, compat_pid_t, pid,
-		       const struct compat_iovec __user *, lvec,
-		       compat_ulong_t, liovcnt,
-		       const struct compat_iovec __user *, rvec,
-		       compat_ulong_t, riovcnt,
-		       compat_ulong_t, flags)
-{
-	return compat_process_vm_rw(pid, lvec, liovcnt, rvec,
-				    riovcnt, flags, 1);
-}
-
-#endif
diff --git a/tools/include/uapi/asm-generic/unistd.h b/tools/include/uapi/asm-generic/unistd.h
index f2dcb0d5703014..c1dfe99c9c3f70 100644
--- a/tools/include/uapi/asm-generic/unistd.h
+++ b/tools/include/uapi/asm-generic/unistd.h
@@ -727,11 +727,9 @@ __SYSCALL(__NR_setns, sys_setns)
 #define __NR_sendmmsg 269
 __SC_COMP(__NR_sendmmsg, sys_sendmmsg, compat_sys_sendmmsg)
 #define __NR_process_vm_readv 270
-__SC_COMP(__NR_process_vm_readv, sys_process_vm_readv, \
-          compat_sys_process_vm_readv)
+__SYSCALL(__NR_process_vm_readv, sys_process_vm_readv)
 #define __NR_process_vm_writev 271
-__SC_COMP(__NR_process_vm_writev, sys_process_vm_writev, \
-          compat_sys_process_vm_writev)
+__SYSCALL(__NR_process_vm_writev, sys_process_vm_writev)
 #define __NR_kcmp 272
 __SYSCALL(__NR_kcmp, sys_kcmp)
 #define __NR_finit_module 273
diff --git a/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl b/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl
index 26f0347c15118b..a188f053cbf90a 100644
--- a/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl
+++ b/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl
@@ -443,8 +443,8 @@
 348	common	syncfs				sys_syncfs
 349	common	sendmmsg			sys_sendmmsg			compat_sys_sendmmsg
 350	common	setns				sys_setns
-351	nospu	process_vm_readv		sys_process_vm_readv		compat_sys_process_vm_readv
-352	nospu	process_vm_writev		sys_process_vm_writev		compat_sys_process_vm_writev
+351	nospu	process_vm_readv		sys_process_vm_readv
+352	nospu	process_vm_writev		sys_process_vm_writev
 353	nospu	finit_module			sys_finit_module
 354	nospu	kcmp				sys_kcmp
 355	common	sched_setattr			sys_sched_setattr
diff --git a/tools/perf/arch/s390/entry/syscalls/syscall.tbl b/tools/perf/arch/s390/entry/syscalls/syscall.tbl
index 02ad81f69bb7e3..c44c83032c3a04 100644
--- a/tools/perf/arch/s390/entry/syscalls/syscall.tbl
+++ b/tools/perf/arch/s390/entry/syscalls/syscall.tbl
@@ -347,8 +347,8 @@
 337  common	clock_adjtime		sys_clock_adjtime		compat_sys_clock_adjtime
 338  common	syncfs			sys_syncfs			sys_syncfs
 339  common	setns			sys_setns			sys_setns
-340  common	process_vm_readv	sys_process_vm_readv		compat_sys_process_vm_readv
-341  common	process_vm_writev	sys_process_vm_writev		compat_sys_process_vm_writev
+340  common	process_vm_readv	sys_process_vm_readv		sys_process_vm_readv
+341  common	process_vm_writev	sys_process_vm_writev		sys_process_vm_writev
 342  common	s390_runtime_instr	sys_s390_runtime_instr		sys_s390_runtime_instr
 343  common	kcmp			sys_kcmp			compat_sys_kcmp
 344  common	finit_module		sys_finit_module		compat_sys_finit_module
diff --git a/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl b/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
index 642af919183de4..347809649ba28f 100644
--- a/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
+++ b/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
@@ -395,8 +395,8 @@
 536	x32	rt_tgsigqueueinfo	compat_sys_rt_tgsigqueueinfo
 537	x32	recvmmsg		compat_sys_recvmmsg_time64
 538	x32	sendmmsg		compat_sys_sendmmsg
-539	x32	process_vm_readv	compat_sys_process_vm_readv
-540	x32	process_vm_writev	compat_sys_process_vm_writev
+539	x32	process_vm_readv	sys_process_vm_readv
+540	x32	process_vm_writev	sys_process_vm_writev
 541	x32	setsockopt		sys_setsockopt
 542	x32	getsockopt		sys_getsockopt
 543	x32	io_setup		compat_sys_io_setup
-- 
2.28.0


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2020-09-18 12:46 UTC|newest]

Thread overview: 840+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-18 12:45 let import_iovec deal with compat_iovecs as well Christoph Hellwig
2020-09-18 12:45 ` Christoph Hellwig
2020-09-18 12:45 ` Christoph Hellwig
2020-09-18 12:45 ` Christoph Hellwig
2020-09-18 12:45 ` [PATCH 1/9] kernel: add a PF_FORCE_COMPAT flag Christoph Hellwig
2020-09-18 12:45   ` Christoph Hellwig
2020-09-18 12:45   ` Christoph Hellwig
2020-09-18 12:45   ` Christoph Hellwig
2020-09-18 13:40   ` Al Viro
2020-09-18 13:40     ` Al Viro
2020-09-18 13:40     ` Al Viro
2020-09-18 13:40     ` Al Viro
2020-09-18 13:44     ` Christoph Hellwig
2020-09-18 13:44       ` Christoph Hellwig
2020-09-18 13:44       ` Christoph Hellwig
2020-09-18 13:44       ` Christoph Hellwig
2020-09-18 13:58       ` Al Viro
2020-09-18 13:58         ` Al Viro
2020-09-18 13:58         ` Al Viro
2020-09-18 13:58         ` Al Viro
2020-09-18 15:16         ` Christoph Hellwig
2020-09-18 15:16           ` Christoph Hellwig
2020-09-18 15:16           ` Christoph Hellwig
2020-09-18 15:16           ` Christoph Hellwig
2020-09-19 16:21           ` Andy Lutomirski
2020-09-19 16:21             ` Andy Lutomirski
2020-09-19 16:21             ` Andy Lutomirski
2020-09-19 16:21             ` Andy Lutomirski
2020-09-19 16:21             ` Andy Lutomirski
2020-09-19 21:16             ` Arnd Bergmann
2020-09-19 21:16               ` Arnd Bergmann
2020-09-19 21:16               ` Arnd Bergmann
2020-09-19 21:16               ` Arnd Bergmann
2020-09-19 21:16               ` Arnd Bergmann
2020-09-19 21:52               ` Finn Thain
2020-09-19 21:52                 ` Finn Thain
2020-09-19 21:52                 ` Finn Thain
2020-09-19 21:52                 ` Finn Thain
2020-09-19 21:52                 ` Finn Thain
2020-09-19 22:22               ` Andy Lutomirski
2020-09-19 22:22                 ` Andy Lutomirski
2020-09-19 22:22                 ` Andy Lutomirski
2020-09-19 22:22                 ` Andy Lutomirski
2020-09-19 22:22                 ` Andy Lutomirski
2020-09-21 16:10                 ` Pavel Begunkov
2020-09-21 16:10                   ` Pavel Begunkov
2020-09-21 16:10                   ` Pavel Begunkov
2020-09-21 16:10                   ` Pavel Begunkov
2020-09-21 16:10                   ` Pavel Begunkov
2020-09-21 16:13                   ` Pavel Begunkov
2020-09-21 16:13                     ` Pavel Begunkov
2020-09-21 16:13                     ` Pavel Begunkov
2020-09-21 16:13                     ` Pavel Begunkov
2020-09-21 16:13                     ` Pavel Begunkov
2020-09-21 23:51                     ` Andy Lutomirski
2020-09-21 23:51                       ` Andy Lutomirski
2020-09-21 23:51                       ` Andy Lutomirski
2020-09-21 23:51                       ` Andy Lutomirski
2020-09-21 23:51                       ` Andy Lutomirski
2020-09-21 23:51                       ` Andy Lutomirski
2020-09-22  0:22                       ` Pavel Begunkov
2020-09-22  0:22                         ` Pavel Begunkov
2020-09-22  0:22                         ` Pavel Begunkov
2020-09-22  0:22                         ` Pavel Begunkov
2020-09-22  0:22                         ` Pavel Begunkov
2020-09-22  0:58                         ` Andy Lutomirski
2020-09-22  0:58                           ` Andy Lutomirski
2020-09-22  0:58                           ` Andy Lutomirski
2020-09-22  0:58                           ` Andy Lutomirski
2020-09-22  0:58                           ` Andy Lutomirski
2020-09-22  0:58                           ` Andy Lutomirski
2020-09-22  6:30                           ` Pavel Begunkov
2020-09-22  6:30                             ` Pavel Begunkov
2020-09-22  6:30                             ` Pavel Begunkov
2020-09-22  6:30                             ` Pavel Begunkov
2020-09-22  7:23                             ` Arnd Bergmann
2020-09-22  7:23                               ` Arnd Bergmann
2020-09-22  7:23                               ` Arnd Bergmann
2020-09-22  7:23                               ` Arnd Bergmann
2020-09-22  7:23                               ` Arnd Bergmann
2020-09-22  7:57                               ` Pavel Begunkov
2020-09-22  7:57                                 ` Pavel Begunkov
2020-09-22  7:57                                 ` Pavel Begunkov
2020-09-22  7:57                                 ` Pavel Begunkov
2020-09-22  9:01                                 ` Arnd Bergmann
2020-09-22  9:01                                   ` Arnd Bergmann
2020-09-22  9:01                                   ` Arnd Bergmann
2020-09-22  9:01                                   ` Arnd Bergmann
2020-09-22  9:01                                   ` Arnd Bergmann
2020-09-22 16:20                                   ` Andy Lutomirski
2020-09-22 16:20                                     ` Andy Lutomirski
2020-09-22 16:20                                     ` Andy Lutomirski
2020-09-22 16:20                                     ` Andy Lutomirski
2020-09-23  8:01                                   ` Pavel Begunkov
2020-09-23  8:01                                     ` Pavel Begunkov
2020-09-23  8:01                                     ` Pavel Begunkov
2020-09-23  8:01                                     ` Pavel Begunkov
2020-09-23 13:22                                     ` Al Viro
2020-09-23 13:22                                       ` Al Viro
2020-09-23 13:22                                       ` Al Viro
2020-09-23 13:22                                       ` Al Viro
2020-09-19 22:09           ` Al Viro
2020-09-19 22:09             ` Al Viro
2020-09-19 22:09             ` Al Viro
2020-09-19 22:09             ` Al Viro
2020-09-19 22:23             ` Andy Lutomirski
2020-09-19 22:23               ` Andy Lutomirski
2020-09-19 22:23               ` Andy Lutomirski
2020-09-19 22:23               ` Andy Lutomirski
2020-09-19 22:23               ` Andy Lutomirski
2020-09-19 22:41               ` Al Viro
2020-09-19 22:41                 ` Al Viro
2020-09-19 22:41                 ` Al Viro
2020-09-19 22:41                 ` Al Viro
2020-09-19 22:41                 ` Al Viro
2020-09-19 22:53                 ` Andy Lutomirski
2020-09-19 22:53                   ` Andy Lutomirski
2020-09-19 22:53                   ` Andy Lutomirski
2020-09-19 22:53                   ` Andy Lutomirski
2020-09-19 23:24                   ` Al Viro
2020-09-19 23:24                     ` Al Viro
2020-09-19 23:24                     ` Al Viro
2020-09-19 23:24                     ` Al Viro
2020-09-20  0:14                     ` Andy Lutomirski
2020-09-20  0:14                       ` Andy Lutomirski
2020-09-20  0:14                       ` Andy Lutomirski
2020-09-20  0:14                       ` Andy Lutomirski
2020-09-20  0:14                       ` Andy Lutomirski
2020-09-20  2:57                       ` Al Viro
2020-09-20  2:57                         ` Al Viro
2020-09-20  2:57                         ` Al Viro
2020-09-20  2:57                         ` Al Viro
2020-09-20 16:59                         ` Andy Lutomirski
2020-09-20 16:59                           ` Andy Lutomirski
2020-09-20 16:59                           ` Andy Lutomirski
2020-09-20 16:59                           ` Andy Lutomirski
2020-09-20 16:59                           ` Andy Lutomirski
2020-09-20 18:12                           ` Al Viro
2020-09-20 18:12                             ` Al Viro
2020-09-20 18:12                             ` Al Viro
2020-09-20 18:12                             ` Al Viro
2020-09-20 13:55             ` Arnd Bergmann
2020-09-20 13:55               ` Arnd Bergmann
2020-09-20 13:55               ` Arnd Bergmann
2020-09-20 13:55               ` Arnd Bergmann
2020-09-20 13:55               ` Arnd Bergmann
2020-09-20 15:02               ` Al Viro
2020-09-20 15:02                 ` Al Viro
2020-09-20 15:02                 ` Al Viro
2020-09-20 15:02                 ` Al Viro
2020-09-19 14:53         ` David Laight
2020-09-19 14:53           ` David Laight
2020-09-19 14:53           ` David Laight
2020-09-19 14:53           ` David Laight
2020-09-19 14:53           ` David Laight
2020-09-18 13:59       ` Arnd Bergmann
2020-09-18 13:59         ` Arnd Bergmann
2020-09-18 13:59         ` Arnd Bergmann
2020-09-18 13:59         ` Arnd Bergmann
2020-09-18 13:59         ` Arnd Bergmann
2020-09-20 15:15   ` Matthew Wilcox
2020-09-20 15:15     ` Matthew Wilcox
2020-09-20 15:15     ` Matthew Wilcox
2020-09-20 15:15     ` Matthew Wilcox
2020-09-20 15:55     ` William Kucharski
2020-09-20 15:55       ` William Kucharski
2020-09-20 15:55       ` William Kucharski
2020-09-20 15:55       ` William Kucharski
2020-09-21 16:20       ` Pavel Begunkov
2020-09-21 16:20         ` Pavel Begunkov
2020-09-21 16:20         ` Pavel Begunkov
2020-09-21 16:20         ` Pavel Begunkov
2020-09-20 16:00     ` Arnd Bergmann
2020-09-20 16:00       ` Arnd Bergmann
2020-09-20 16:00       ` Arnd Bergmann
2020-09-20 16:00       ` Arnd Bergmann
2020-09-20 16:00       ` Arnd Bergmann
2020-09-20 18:07     ` Al Viro
2020-09-20 18:07       ` Al Viro
2020-09-20 18:07       ` Al Viro
2020-09-20 18:07       ` Al Viro
2020-09-20 18:41       ` Al Viro
2020-09-20 18:41         ` Al Viro
2020-09-20 18:41         ` Al Viro
2020-09-20 18:41         ` Al Viro
2020-09-20 18:41         ` Al Viro
2020-09-20 19:01       ` Matthew Wilcox
2020-09-20 19:01         ` Matthew Wilcox
2020-09-20 19:01         ` Matthew Wilcox
2020-09-20 19:01         ` Matthew Wilcox
2020-09-20 19:10         ` Al Viro
2020-09-20 19:10           ` Al Viro
2020-09-20 19:10           ` Al Viro
2020-09-20 19:10           ` Al Viro
2020-09-20 19:22           ` Matthew Wilcox
2020-09-20 19:22             ` Matthew Wilcox
2020-09-20 19:22             ` Matthew Wilcox
2020-09-20 19:22             ` Matthew Wilcox
2020-09-20 19:28             ` Andy Lutomirski
2020-09-20 19:28               ` Andy Lutomirski
2020-09-20 19:28               ` Andy Lutomirski
2020-09-20 19:28               ` Andy Lutomirski
2020-09-20 19:28               ` Andy Lutomirski
2020-09-20 20:49               ` Arnd Bergmann
2020-09-20 20:49                 ` Arnd Bergmann
2020-09-20 20:49                 ` Arnd Bergmann
2020-09-20 20:49                 ` Arnd Bergmann
2020-09-20 20:49                 ` Arnd Bergmann
2020-09-20 21:13                 ` David Laight
2020-09-20 21:13                   ` David Laight
2020-09-20 21:13                   ` David Laight
2020-09-20 21:13                   ` David Laight
2020-09-21 16:31                   ` Pavel Begunkov
2020-09-21 16:31                     ` Pavel Begunkov
2020-09-21 16:31                     ` Pavel Begunkov
2020-09-21 16:31                     ` Pavel Begunkov
2020-09-20 21:42             ` Al Viro
2020-09-20 21:42               ` Al Viro
2020-09-20 21:42               ` Al Viro
2020-09-20 21:42               ` Al Viro
2020-09-21 16:26             ` Pavel Begunkov
2020-09-21 16:26               ` Pavel Begunkov
2020-09-21 16:26               ` Pavel Begunkov
2020-09-21 16:26               ` Pavel Begunkov
2020-09-20 19:14       ` Andy Lutomirski
2020-09-20 19:14         ` Andy Lutomirski
2020-09-20 19:14         ` Andy Lutomirski
2020-09-20 19:14         ` Andy Lutomirski
2020-09-20 19:14         ` Andy Lutomirski
2020-09-21  4:28         ` Christoph Hellwig
2020-09-21  4:28           ` Christoph Hellwig
2020-09-21  4:28           ` Christoph Hellwig
2020-09-21  4:28           ` Christoph Hellwig
2020-09-18 12:45 ` [PATCH 2/9] compat.h: fix a spelling error in <linux/compat.h> Christoph Hellwig
2020-09-18 12:45   ` Christoph Hellwig
2020-09-18 12:45   ` Christoph Hellwig
2020-09-18 12:45   ` Christoph Hellwig
2020-09-18 13:37   ` Johannes Thumshirn
2020-09-18 13:37     ` Johannes Thumshirn
2020-09-18 13:37     ` Johannes Thumshirn
2020-09-18 13:37     ` Johannes Thumshirn
2020-09-18 12:45 ` [PATCH 3/9] fs: explicitly check for CHECK_IOVEC_ONLY in rw_copy_check_uvector Christoph Hellwig
2020-09-18 12:45   ` Christoph Hellwig
2020-09-18 12:45   ` Christoph Hellwig
2020-09-18 12:45   ` Christoph Hellwig
2020-09-18 12:56   ` Matthew Wilcox
2020-09-18 12:56     ` Matthew Wilcox
2020-09-18 12:56     ` Matthew Wilcox
2020-09-18 12:56     ` Matthew Wilcox
2020-09-18 13:39   ` Johannes Thumshirn
2020-09-18 13:39     ` Johannes Thumshirn
2020-09-18 13:39     ` Johannes Thumshirn
2020-09-18 13:39     ` Johannes Thumshirn
2020-09-18 12:45 ` [PATCH 4/9] fs: handle the compat case in import_iovec Christoph Hellwig
2020-09-18 12:45   ` Christoph Hellwig
2020-09-18 12:45   ` Christoph Hellwig
2020-09-18 12:45   ` Christoph Hellwig
2020-09-18 12:45 ` [PATCH 5/9] fs: remove various compat readv/writev helpers Christoph Hellwig
2020-09-18 12:45   ` Christoph Hellwig
2020-09-18 12:45   ` Christoph Hellwig
2020-09-18 12:45   ` Christoph Hellwig
2020-09-18 12:45 ` [PATCH 6/9] fs: remove the compat readv/writev syscalls Christoph Hellwig
2020-09-18 12:45   ` Christoph Hellwig
2020-09-18 12:45   ` Christoph Hellwig
2020-09-18 12:45   ` Christoph Hellwig
2020-09-18 12:45 ` [PATCH 7/9] fs: remove compat_sys_vmsplice Christoph Hellwig
2020-09-18 12:45   ` Christoph Hellwig
2020-09-18 12:45   ` Christoph Hellwig
2020-09-18 12:45   ` Christoph Hellwig
2020-09-18 12:45 ` Christoph Hellwig [this message]
2020-09-18 12:45   ` [PATCH 8/9] mm: remove compat_process_vm_{readv,writev} Christoph Hellwig
2020-09-18 12:45   ` Christoph Hellwig
2020-09-18 12:45   ` Christoph Hellwig
2020-09-18 13:48   ` Arnd Bergmann
2020-09-18 13:48     ` Arnd Bergmann
2020-09-18 13:48     ` Arnd Bergmann
2020-09-18 13:48     ` Arnd Bergmann
2020-09-18 13:48     ` Arnd Bergmann
2020-09-18 12:45 ` [PATCH 9/9] security/keys: remove compat_keyctl_instantiate_key_iov Christoph Hellwig
2020-09-18 12:45   ` Christoph Hellwig
2020-09-18 12:45   ` Christoph Hellwig
2020-09-18 12:45   ` Christoph Hellwig
2020-09-19 14:24 ` let import_iovec deal with compat_iovecs as well David Laight
2020-09-19 14:24   ` David Laight
2020-09-19 14:24   ` David Laight
2020-09-19 14:24   ` David Laight
2020-09-21  4:41   ` 'Christoph Hellwig'
2020-09-21  4:41     ` 'Christoph Hellwig'
2020-09-21  4:41     ` 'Christoph Hellwig'
2020-09-21  4:41     ` 'Christoph Hellwig'
2020-09-21  4:41     ` 'Christoph Hellwig'
2020-09-21 11:11     ` David Laight
2020-09-21 11:11       ` David Laight
2020-09-21 11:11       ` David Laight
2020-09-21 11:11       ` David Laight
2020-09-21 14:34 let import_iovec deal with compat_iovecs as well v2 Christoph Hellwig
2020-09-21 14:34 ` Christoph Hellwig
2020-09-21 14:34 ` Christoph Hellwig
2020-09-21 14:34 ` Christoph Hellwig
2020-09-21 14:34 ` [PATCH 01/11] compat.h: fix a spelling error in <linux/compat.h> Christoph Hellwig
2020-09-21 14:34   ` Christoph Hellwig
2020-09-21 14:34   ` Christoph Hellwig
2020-09-21 14:34   ` Christoph Hellwig
2020-09-21 14:34 ` [PATCH 02/11] mm: call import_iovec() instead of rw_copy_check_uvector() in process_vm_rw() Christoph Hellwig
2020-09-21 14:34   ` Christoph Hellwig
2020-09-21 14:34   ` Christoph Hellwig
2020-09-21 14:34   ` Christoph Hellwig
2020-09-21 14:48   ` Matthew Wilcox
2020-09-21 14:48     ` Matthew Wilcox
2020-09-21 14:48     ` Matthew Wilcox
2020-09-21 14:48     ` Matthew Wilcox
2020-09-21 15:02   ` Al Viro
2020-09-21 15:02     ` Al Viro
2020-09-21 15:02     ` Al Viro
2020-09-21 15:02     ` Al Viro
2020-09-21 15:21     ` David Laight
2020-09-21 15:21       ` David Laight
2020-09-21 15:21       ` David Laight
2020-09-21 15:21       ` David Laight
2020-09-21 15:29       ` Al Viro
2020-09-21 15:29         ` Al Viro
2020-09-21 15:29         ` Al Viro
2020-09-21 15:29         ` Al Viro
2020-09-21 15:29         ` Al Viro
2020-09-21 15:44         ` David Laight
2020-09-21 15:44           ` David Laight
2020-09-21 15:44           ` David Laight
2020-09-21 15:44           ` David Laight
2020-09-21 16:27           ` Al Viro
2020-09-21 16:27             ` Al Viro
2020-09-21 16:27             ` Al Viro
2020-09-21 16:27             ` Al Viro
2020-09-21 16:27             ` Al Viro
2020-09-21 16:12         ` Christoph Hellwig
2020-09-21 16:12           ` Christoph Hellwig
2020-09-21 16:12           ` Christoph Hellwig
2020-09-21 16:12           ` Christoph Hellwig
2020-09-21 16:12           ` Christoph Hellwig
2020-09-21 14:34 ` [PATCH 03/11] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c and mark it static Christoph Hellwig
2020-09-21 14:34   ` Christoph Hellwig
2020-09-21 14:34   ` Christoph Hellwig
2020-09-21 14:34   ` Christoph Hellwig
2020-09-21 14:34 ` [PATCH 04/11] iov_iter: explicitly check for CHECK_IOVEC_ONLY in rw_copy_check_uvector Christoph Hellwig
2020-09-21 14:34   ` Christoph Hellwig
2020-09-21 14:34   ` Christoph Hellwig
2020-09-21 14:34   ` Christoph Hellwig
2020-09-21 15:05   ` David Laight
2020-09-21 15:05     ` David Laight
2020-09-21 15:05     ` David Laight
2020-09-21 15:05     ` David Laight
2020-09-21 15:11     ` Al Viro
2020-09-21 15:11       ` Al Viro
2020-09-21 15:11       ` Al Viro
2020-09-21 15:11       ` Al Viro
2020-09-21 15:11       ` Al Viro
2020-09-21 15:26       ` David Laight
2020-09-21 15:26         ` David Laight
2020-09-21 15:26         ` David Laight
2020-09-21 15:26         ` David Laight
2020-09-21 15:07   ` Al Viro
2020-09-21 15:07     ` Al Viro
2020-09-21 15:07     ` Al Viro
2020-09-21 15:07     ` Al Viro
2020-09-21 14:34 ` [PATCH 05/11] iov_iter: merge the compat case into rw_copy_check_uvector Christoph Hellwig
2020-09-21 14:34   ` Christoph Hellwig
2020-09-21 14:34   ` Christoph Hellwig
2020-09-21 14:34   ` Christoph Hellwig
2020-09-21 15:14   ` Al Viro
2020-09-21 15:14     ` Al Viro
2020-09-21 15:14     ` Al Viro
2020-09-21 15:14     ` Al Viro
2021-01-08 11:49   ` David Laight
2021-01-08 11:49     ` David Laight
2021-01-08 11:49     ` David Laight
2021-01-08 11:49     ` David Laight
2021-01-08 11:49     ` David Laight
2020-09-21 14:34 ` [PATCH 06/11] iov_iter: handle the compat case in import_iovec Christoph Hellwig
2020-09-21 14:34   ` Christoph Hellwig
2020-09-21 14:34   ` Christoph Hellwig
2020-09-21 14:34   ` Christoph Hellwig
2020-09-21 15:20   ` Al Viro
2020-09-21 15:20     ` Al Viro
2020-09-21 15:20     ` Al Viro
2020-09-21 15:20     ` Al Viro
2020-09-21 14:34 ` [PATCH 07/11] fs: remove various compat readv/writev helpers Christoph Hellwig
2020-09-21 14:34   ` Christoph Hellwig
2020-09-21 14:34   ` Christoph Hellwig
2020-09-21 14:34   ` Christoph Hellwig
2020-09-21 14:34 ` [PATCH 08/11] fs: remove the compat readv/writev syscalls Christoph Hellwig
2020-09-21 14:34   ` Christoph Hellwig
2020-09-21 14:34   ` Christoph Hellwig
2020-09-21 14:34   ` Christoph Hellwig
2020-09-21 14:34 ` [PATCH 09/11] fs: remove compat_sys_vmsplice Christoph Hellwig
2020-09-21 14:34   ` Christoph Hellwig
2020-09-21 14:34   ` Christoph Hellwig
2020-09-21 14:34   ` Christoph Hellwig
2020-09-21 14:34 ` [PATCH 10/11] mm: remove compat_process_vm_{readv,writev} Christoph Hellwig
2020-09-21 14:34   ` Christoph Hellwig
2020-09-21 14:34   ` Christoph Hellwig
2020-09-21 14:34   ` Christoph Hellwig
2020-09-21 14:34 ` [PATCH 11/11] security/keys: remove compat_keyctl_instantiate_key_iov Christoph Hellwig
2020-09-21 14:34   ` Christoph Hellwig
2020-09-21 14:34   ` Christoph Hellwig
2020-09-21 14:34   ` Christoph Hellwig
2020-09-23  6:05 let import_iovec deal with compat_iovecs as well v3 Christoph Hellwig
2020-09-23  6:05 ` Christoph Hellwig
2020-09-23  6:05 ` Christoph Hellwig
2020-09-23  6:05 ` Christoph Hellwig
2020-09-23  6:05 ` [PATCH 1/9] compat.h: fix a spelling error in <linux/compat.h> Christoph Hellwig
2020-09-23  6:05   ` Christoph Hellwig
2020-09-23  6:05   ` Christoph Hellwig
2020-09-23  6:05   ` Christoph Hellwig
2020-09-23  6:05 ` [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c Christoph Hellwig
2020-09-23  6:05   ` Christoph Hellwig
2020-09-23  6:05   ` Christoph Hellwig
2020-09-23  6:05   ` Christoph Hellwig
2020-09-23  6:05 ` [PATCH 3/9] iov_iter: refactor rw_copy_check_uvector and import_iovec Christoph Hellwig
2020-09-23  6:05   ` Christoph Hellwig
2020-09-23  6:05   ` Christoph Hellwig
2020-09-23  6:05   ` Christoph Hellwig
2020-09-23 14:16   ` Al Viro
2020-09-23 14:16     ` Al Viro
2020-09-23 14:16     ` Al Viro
2020-09-23 14:16     ` Al Viro
2020-09-23 14:38     ` David Laight
2020-09-23 14:38       ` David Laight
2020-09-23 14:38       ` David Laight
2020-09-23 14:38       ` David Laight
2020-09-23 14:49       ` Al Viro
2020-09-23 14:49         ` Al Viro
2020-09-23 14:49         ` Al Viro
2020-09-23 14:49         ` Al Viro
2020-09-23 14:49         ` Al Viro
2020-09-23 14:40     ` Al Viro
2020-09-23 14:40       ` Al Viro
2020-09-23 14:40       ` Al Viro
2020-09-23 14:40       ` Al Viro
2020-09-23  6:05 ` [PATCH 4/9] iov_iter: transparently handle compat iovecs in import_iovec Christoph Hellwig
2020-09-23  6:05   ` Christoph Hellwig
2020-09-23  6:05   ` Christoph Hellwig
2020-09-23  6:05   ` Christoph Hellwig
2020-09-23  6:05 ` [PATCH 5/9] fs: remove various compat readv/writev helpers Christoph Hellwig
2020-09-23  6:05   ` Christoph Hellwig
2020-09-23  6:05   ` Christoph Hellwig
2020-09-23  6:05   ` Christoph Hellwig
2020-09-23 14:25   ` Al Viro
2020-09-23 14:25     ` Al Viro
2020-09-23 14:25     ` Al Viro
2020-09-23 14:25     ` Al Viro
2020-09-23 14:32     ` Christoph Hellwig
2020-09-23 14:32       ` Christoph Hellwig
2020-09-23 14:32       ` Christoph Hellwig
2020-09-23 14:32       ` Christoph Hellwig
2020-09-23 14:59       ` Al Viro
2020-09-23 14:59         ` Al Viro
2020-09-23 14:59         ` Al Viro
2020-09-23 14:59         ` Al Viro
2020-09-23 16:38         ` Al Viro
2020-09-23 16:38           ` Al Viro
2020-09-23 16:38           ` Al Viro
2020-09-23 16:38           ` Al Viro
2020-09-23 17:05           ` Al Viro
2020-09-23 17:05             ` Al Viro
2020-09-23 17:05             ` Al Viro
2020-09-23 17:05             ` Al Viro
2020-09-23 17:46             ` Christoph Hellwig
2020-09-23 17:46               ` Christoph Hellwig
2020-09-23 17:46               ` Christoph Hellwig
2020-09-23 17:46               ` Christoph Hellwig
2020-09-23 17:08           ` Brian Gerst
2020-09-23 17:08             ` Brian Gerst
2020-09-23 17:08             ` Brian Gerst
2020-09-23 17:08             ` Brian Gerst
2020-09-23 17:08             ` Brian Gerst
2020-09-23 18:45           ` Arnd Bergmann
2020-09-23 18:45             ` Arnd Bergmann
2020-09-23 18:45             ` Arnd Bergmann
2020-09-23 18:45             ` Arnd Bergmann
2020-09-23 18:45             ` Arnd Bergmann
2020-09-23 19:47             ` Al Viro
2020-09-23 19:47               ` Al Viro
2020-09-23 19:47               ` Al Viro
2020-09-23 19:47               ` Al Viro
2020-09-23 19:52               ` Arnd Bergmann
2020-09-23 19:52                 ` Arnd Bergmann
2020-09-23 19:52                 ` Arnd Bergmann
2020-09-23 19:52                 ` Arnd Bergmann
2020-09-23 19:52                 ` Arnd Bergmann
2020-09-23 21:30             ` David Laight
2020-09-23 21:30               ` David Laight
2020-09-23 21:30               ` David Laight
2020-09-23 21:30               ` David Laight
2020-09-23  6:05 ` [PATCH 6/9] fs: remove the compat readv/writev syscalls Christoph Hellwig
2020-09-23  6:05   ` Christoph Hellwig
2020-09-23  6:05   ` Christoph Hellwig
2020-09-23  6:05   ` Christoph Hellwig
2020-09-23  6:05 ` [PATCH 7/9] fs: remove compat_sys_vmsplice Christoph Hellwig
2020-09-23  6:05   ` Christoph Hellwig
2020-09-23  6:05   ` Christoph Hellwig
2020-09-23  6:05   ` Christoph Hellwig
2020-09-23  6:05 ` [PATCH 8/9] mm: remove compat_process_vm_{readv,writev} Christoph Hellwig
2020-09-23  6:05   ` Christoph Hellwig
2020-09-23  6:05   ` Christoph Hellwig
2020-09-23  6:05   ` Christoph Hellwig
2020-09-23  6:05 ` [PATCH 9/9] security/keys: remove compat_keyctl_instantiate_key_iov Christoph Hellwig
2020-09-23  6:05   ` Christoph Hellwig
2020-09-23  6:05   ` Christoph Hellwig
2020-09-23  6:05   ` Christoph Hellwig
2020-09-25  4:51 let import_iovec deal with compat_iovecs as well v4 Christoph Hellwig
2020-09-25  4:51 ` Christoph Hellwig
2020-09-25  4:51 ` Christoph Hellwig
2020-09-25  4:51 ` Christoph Hellwig
2020-09-25  4:51 ` [PATCH 1/9] compat.h: fix a spelling error in <linux/compat.h> Christoph Hellwig
2020-09-25  4:51   ` Christoph Hellwig
2020-09-25  4:51   ` Christoph Hellwig
2020-09-25  4:51   ` Christoph Hellwig
2020-09-25  4:51 ` [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c Christoph Hellwig
2020-09-25  4:51   ` Christoph Hellwig
2020-09-25  4:51   ` Christoph Hellwig
2020-09-25  4:51   ` Christoph Hellwig
2020-10-21 16:13   ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" Greg KH
2020-10-21 16:13     ` Greg KH
2020-10-21 16:13     ` Greg KH
2020-10-21 16:13     ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c Greg KH
2020-10-21 20:59     ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" David Laight
2020-10-21 20:59       ` David Laight
2020-10-21 20:59       ` David Laight
2020-10-21 20:59       ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it David Laight
2020-10-21 20:59       ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" David Laight
2020-10-21 23:39     ` Al Viro
2020-10-21 23:39       ` Al Viro
2020-10-21 23:39       ` Al Viro
2020-10-21 23:39       ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it Al Viro
2020-10-22  8:26       ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" Greg KH
2020-10-22  8:26         ` Greg KH
2020-10-22  8:26         ` Greg KH
2020-10-22  8:26         ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it Greg KH
2020-10-22  8:35         ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" David Hildenbrand
2020-10-22  8:35           ` David Hildenbrand
2020-10-22  8:35           ` David Hildenbrand
2020-10-22  8:35           ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it David Hildenbrand
2020-10-22  8:40           ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" David Laight
2020-10-22  8:40             ` David Laight
2020-10-22  8:40             ` David Laight
2020-10-22  8:40             ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it David Laight
2020-10-22  8:40             ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" David Laight
2020-10-22  8:48             ` David Hildenbrand
2020-10-22  8:48               ` David Hildenbrand
2020-10-22  8:48               ` David Hildenbrand
2020-10-22  8:48               ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it David Hildenbrand
2020-10-22  8:48               ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" David Hildenbrand
2020-10-22  9:01               ` Greg KH
2020-10-22  9:01                 ` Greg KH
2020-10-22  9:01                 ` Greg KH
2020-10-22  9:01                 ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it Greg KH
2020-10-22  9:01                 ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" Greg KH
2020-10-22  9:06                 ` David Laight
2020-10-22  9:06                   ` David Laight
2020-10-22  9:06                   ` David Laight
2020-10-22  9:06                   ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it David Laight
2020-10-22  9:06                   ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" David Laight
2020-10-22  9:19                 ` David Hildenbrand
2020-10-22  9:19                   ` David Hildenbrand
2020-10-22  9:19                   ` David Hildenbrand
2020-10-22  9:19                   ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it David Hildenbrand
2020-10-22  9:19                   ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" David Hildenbrand
2020-10-22  9:25                   ` David Hildenbrand
2020-10-22  9:25                     ` David Hildenbrand
2020-10-22  9:25                     ` David Hildenbrand
2020-10-22  9:25                     ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it David Hildenbrand
2020-10-22  9:25                     ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" David Hildenbrand
2020-10-22  9:32                     ` David Laight
2020-10-22  9:32                       ` David Laight
2020-10-22  9:32                       ` David Laight
2020-10-22  9:32                       ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it David Laight
2020-10-22  9:32                       ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" David Laight
2020-10-22  9:36                       ` David Hildenbrand
2020-10-22  9:36                         ` David Hildenbrand
2020-10-22  9:36                         ` David Hildenbrand
2020-10-22  9:36                         ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it David Hildenbrand
2020-10-22  9:36                         ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" David Hildenbrand
2020-10-22 10:48                         ` Greg KH
2020-10-22 10:48                           ` Greg KH
2020-10-22 10:48                           ` Greg KH
2020-10-22 10:48                           ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it Greg KH
2020-10-22 10:48                           ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" Greg KH
2020-10-22 12:18                           ` Greg KH
2020-10-22 12:18                             ` Greg KH
2020-10-22 12:18                             ` Greg KH
2020-10-22 12:18                             ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it Greg KH
2020-10-22 12:18                             ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" Greg KH
2020-10-22 12:42                             ` David Hildenbrand
2020-10-22 12:42                               ` David Hildenbrand
2020-10-22 12:42                               ` David Hildenbrand
2020-10-22 12:42                               ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it David Hildenbrand
2020-10-22 12:42                               ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" David Hildenbrand
2020-10-22 12:57                               ` Greg KH
2020-10-22 12:57                                 ` Greg KH
2020-10-22 12:57                                 ` Greg KH
2020-10-22 12:57                                 ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it Greg KH
2020-10-22 12:57                                 ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" Greg KH
2020-10-22 13:50                                 ` Greg KH
2020-10-22 13:50                                   ` Greg KH
2020-10-22 13:50                                   ` Greg KH
2020-10-22 13:50                                   ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it Greg KH
2020-10-22 13:50                                   ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" Greg KH
2020-10-22 14:28                                   ` Arnd Bergmann
2020-10-22 14:28                                     ` Arnd Bergmann
2020-10-22 14:40                                     ` Greg KH
2020-10-22 14:40                                       ` Greg KH
2020-10-22 14:40                                       ` Greg KH
2020-10-22 14:40                                       ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it Greg KH
2020-10-22 14:40                                       ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" Greg KH
2020-10-22 16:15                                       ` David Laight
2020-10-22 16:15                                         ` David Laight
2020-10-22 16:15                                         ` David Laight
2020-10-22 16:15                                         ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it David Laight
2020-10-22 16:15                                         ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" David Laight
2020-10-23 12:46                                   ` David Laight
2020-10-23 12:46                                     ` David Laight
2020-10-23 12:46                                     ` David Laight
2020-10-23 12:46                                     ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it David Laight
2020-10-23 12:46                                     ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" David Laight
2020-10-23 13:09                                     ` David Hildenbrand
2020-10-23 13:09                                       ` David Hildenbrand
2020-10-23 13:09                                       ` David Hildenbrand
2020-10-23 13:09                                       ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it David Hildenbrand
2020-10-23 13:09                                       ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" David Hildenbrand
2020-10-23 14:33                                       ` David Hildenbrand
2020-10-23 14:33                                         ` David Hildenbrand
2020-10-23 14:33                                         ` David Hildenbrand
2020-10-23 14:33                                         ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it David Hildenbrand
2020-10-23 14:33                                         ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" David Hildenbrand
2020-10-23 14:39                                         ` David Laight
2020-10-23 14:39                                           ` David Laight
2020-10-23 14:39                                           ` David Laight
2020-10-23 14:39                                           ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it David Laight
2020-10-23 14:39                                           ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" David Laight
2020-10-23 14:47                                           ` 'Greg KH'
2020-10-23 14:47                                             ` 'Greg KH'
2020-10-23 14:47                                             ` 'Greg KH'
2020-10-23 14:47                                             ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it 'Greg KH'
2020-10-23 14:47                                             ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" 'Greg KH'
2020-10-23 16:33                                             ` David Hildenbrand
2020-10-23 16:33                                               ` David Hildenbrand
2020-10-23 16:33                                               ` David Hildenbrand
2020-10-23 16:33                                               ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it David Hildenbrand
2020-10-23 16:33                                               ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" David Hildenbrand
2020-11-02  9:06                                             ` David Laight
2020-11-02  9:06                                               ` David Laight
2020-11-02  9:06                                               ` David Laight
2020-11-02  9:06                                               ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it David Laight
2020-11-02  9:06                                               ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" David Laight
2020-11-02 13:52                                               ` 'Greg KH'
2020-11-02 13:52                                                 ` 'Greg KH'
2020-11-02 13:52                                                 ` 'Greg KH'
2020-11-02 13:52                                                 ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it 'Greg KH'
2020-11-02 13:52                                                 ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" 'Greg KH'
2020-11-02 18:23                                                 ` David Laight
2020-11-02 18:23                                                   ` David Laight
2020-11-02 18:23                                                   ` David Laight
2020-11-02 18:23                                                   ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it David Laight
2020-11-02 18:23                                                   ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" David Laight
2020-10-23 17:58                                       ` Al Viro
2020-10-23 17:58                                         ` Al Viro
2020-10-23 17:58                                         ` Al Viro
2020-10-23 17:58                                         ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it Al Viro
2020-10-23 17:58                                         ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" Al Viro
2020-10-23 18:27                                         ` Segher Boessenkool
2020-10-23 18:27                                           ` Segher Boessenkool
2020-10-23 18:27                                           ` Segher Boessenkool
2020-10-23 18:27                                           ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it Segher Boessenkool
2020-10-23 18:27                                           ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" Segher Boessenkool
2020-10-23 21:28                                           ` David Laight
2020-10-23 21:28                                             ` David Laight
2020-10-23 21:28                                             ` David Laight
2020-10-23 21:28                                             ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it David Laight
2020-10-23 21:28                                             ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" David Laight
2020-10-24 17:29                                             ` Segher Boessenkool
2020-10-24 17:29                                               ` Segher Boessenkool
2020-10-24 17:29                                               ` Segher Boessenkool
2020-10-24 17:29                                               ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it Segher Boessenkool
2020-10-24 17:29                                               ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" Segher Boessenkool
2020-10-24 21:12                                               ` David Laight
2020-10-24 21:12                                                 ` David Laight
2020-10-24 21:12                                                 ` David Laight
2020-10-24 21:12                                                 ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it David Laight
2020-10-24 21:12                                                 ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" David Laight
2020-10-23 13:23                                     ` Arnd Bergmann
2020-10-23 13:23                                       ` Arnd Bergmann
2020-10-23 13:28                                       ` David Laight
2020-10-23 13:28                                         ` David Laight
2020-10-23 13:28                                         ` David Laight
2020-10-23 13:28                                         ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it David Laight
2020-10-23 13:28                                         ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" David Laight
2020-10-22 13:23                         ` Christoph Hellwig
2020-10-22 13:23                           ` Christoph Hellwig
2020-10-22 13:23                           ` Christoph Hellwig
2020-10-22 13:23                           ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it Christoph Hellwig
2020-10-22 13:23                           ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" Christoph Hellwig
2020-10-22 16:35                           ` David Laight
2020-10-22 16:35                             ` David Laight
2020-10-22 16:35                             ` David Laight
2020-10-22 16:35                             ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it David Laight
2020-10-22 16:35                             ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" David Laight
2020-10-22 16:40                             ` Matthew Wilcox
2020-10-22 16:40                               ` Matthew Wilcox
2020-10-22 16:40                               ` Matthew Wilcox
2020-10-22 16:40                               ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it Matthew Wilcox
2020-10-22 16:40                               ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" Matthew Wilcox
2020-10-22 16:50                               ` David Laight
2020-10-22 16:50                                 ` David Laight
2020-10-22 16:50                                 ` David Laight
2020-10-22 16:50                                 ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it David Laight
2020-10-22 16:50                                 ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" David Laight
2020-10-22 17:00                               ` Nick Desaulniers
2020-10-22 17:00                                 ` Nick Desaulniers
2020-10-22 17:00                                 ` Nick Desaulniers
2020-10-22 17:00                                 ` Nick Desaulniers
2020-10-22 17:00                                 ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it Nick Desaulniers
2020-10-22 17:00                                 ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" Nick Desaulniers
2020-10-22 20:59                                 ` Eric Biggers
2020-10-22 20:59                                   ` Eric Biggers
2020-10-22 20:59                                   ` Eric Biggers
2020-10-22 20:59                                   ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it Eric Biggers
2020-10-22 20:59                                   ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" Eric Biggers
2020-10-22 21:28                                   ` Al Viro
2020-10-22 21:28                                     ` Al Viro
2020-10-22 21:28                                     ` Al Viro
2020-10-22 21:28                                     ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it Al Viro
2020-10-22 21:28                                     ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" Al Viro
2020-10-22 18:19                               ` Al Viro
2020-10-22 18:19                                 ` Al Viro
2020-10-22 18:19                                 ` Al Viro
2020-10-22 18:19                                 ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it Al Viro
2020-10-22 18:19                                 ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" Al Viro
2020-10-22 17:54                             ` Nick Desaulniers
2020-10-22 17:54                               ` Nick Desaulniers
2020-10-22 17:54                               ` Nick Desaulniers
2020-10-22 17:54                               ` Nick Desaulniers
2020-10-22 17:54                               ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it Nick Desaulniers
2020-10-22 17:54                               ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" Nick Desaulniers
2020-10-22 18:12                               ` Arnd Bergmann
2020-10-22 18:12                                 ` Arnd Bergmann
2020-10-22 19:04                                 ` Nick Desaulniers
2020-10-22 19:04                                   ` Nick Desaulniers
2020-10-22 19:04                                   ` Nick Desaulniers
2020-10-22 19:04                                   ` Nick Desaulniers
2020-10-22 19:04                                   ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it Nick Desaulniers
2020-10-22 19:04                                   ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" Nick Desaulniers
2020-10-22 19:24                                   ` Al Viro
2020-10-22 19:24                                     ` Al Viro
2020-10-22 19:24                                     ` Al Viro
2020-10-22 19:24                                     ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it Al Viro
2020-10-22 19:24                                     ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" Al Viro
2020-10-22 19:27                                     ` Al Viro
2020-10-22 19:27                                       ` Al Viro
2020-10-22 19:27                                       ` Al Viro
2020-10-22 19:27                                       ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it Al Viro
2020-10-22 19:27                                       ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" Al Viro
2020-10-22 20:06                                     ` Al Viro
2020-10-22 20:06                                       ` Al Viro
2020-10-22 20:06                                       ` Al Viro
2020-10-22 20:06                                       ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it Al Viro
2020-10-22 20:06                                       ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" Al Viro
2020-10-22 20:09                                       ` Al Viro
2020-10-22 20:09                                         ` Al Viro
2020-10-22 20:09                                         ` Al Viro
2020-10-22 20:09                                         ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it Al Viro
2020-10-22 20:09                                         ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" Al Viro
2020-10-22 20:11                                     ` Nick Desaulniers
2020-10-22 20:11                                       ` Nick Desaulniers
2020-10-22 20:11                                       ` Nick Desaulniers
2020-10-22 20:11                                       ` Nick Desaulniers
2020-10-22 20:11                                       ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it Nick Desaulniers
2020-10-22 20:11                                       ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" Nick Desaulniers
2020-10-22 22:07                                     ` David Laight
2020-10-22 22:07                                       ` David Laight
2020-10-22 22:07                                       ` David Laight
2020-10-22 22:07                                       ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it David Laight
2020-10-22 22:07                                       ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" David Laight
2020-10-23 13:12                                     ` David Hildenbrand
2020-10-23 13:12                                       ` David Hildenbrand
2020-10-23 13:12                                       ` David Hildenbrand
2020-10-23 13:12                                       ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it David Hildenbrand
2020-10-23 13:12                                       ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" David Hildenbrand
2020-10-22 20:06                                   ` Arnd Bergmann
2020-10-22 20:06                                     ` Arnd Bergmann
2020-10-22 22:04                                   ` David Laight
2020-10-22 22:04                                     ` David Laight
2020-10-22 22:04                                     ` David Laight
2020-10-22 22:04                                     ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it David Laight
2020-10-22 22:04                                     ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" David Laight
2020-10-22  9:28                   ` David Laight
2020-10-22  9:28                     ` David Laight
2020-10-22  9:28                     ` David Laight
2020-10-22  9:28                     ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it David Laight
2020-10-22  9:28                     ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" David Laight
2020-10-22  9:02               ` David Laight
2020-10-22  9:02                 ` David Laight
2020-10-22  9:02                 ` David Laight
2020-10-22  9:02                 ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_it David Laight
2020-10-22  9:02                 ` Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" David Laight
2020-10-22  9:14         ` Arnd Bergmann
2020-10-22  9:14           ` Arnd Bergmann
2020-10-22  9:16         ` Arnd Bergmann
2020-10-22  9:16           ` Arnd Bergmann
2020-10-22  9:16           ` Arnd Bergmann
2020-09-25  4:51 ` [PATCH 3/9] iov_iter: refactor rw_copy_check_uvector and import_iovec Christoph Hellwig
2020-09-25  4:51   ` Christoph Hellwig
2020-09-25  4:51   ` Christoph Hellwig
2020-09-25  4:51   ` Christoph Hellwig
2020-09-25  4:51 ` [PATCH 4/9] iov_iter: transparently handle compat iovecs in import_iovec Christoph Hellwig
2020-09-25  4:51   ` Christoph Hellwig
2020-09-25  4:51   ` Christoph Hellwig
2020-09-25  4:51   ` Christoph Hellwig
2020-09-25  4:51 ` [PATCH 5/9] fs: remove various compat readv/writev helpers Christoph Hellwig
2020-09-25  4:51   ` Christoph Hellwig
2020-09-25  4:51   ` Christoph Hellwig
2020-09-25  4:51   ` Christoph Hellwig
2020-09-25  4:51 ` [PATCH 6/9] fs: remove the compat readv/writev syscalls Christoph Hellwig
2020-09-25  4:51   ` Christoph Hellwig
2020-09-25  4:51   ` Christoph Hellwig
2020-09-25  4:51   ` Christoph Hellwig
2020-09-25  4:51 ` [PATCH 7/9] fs: remove compat_sys_vmsplice Christoph Hellwig
2020-09-25  4:51   ` Christoph Hellwig
2020-09-25  4:51   ` Christoph Hellwig
2020-09-25  4:51   ` Christoph Hellwig
2020-09-25  4:51 ` [PATCH 8/9] mm: remove compat_process_vm_{readv,writev} Christoph Hellwig
2020-09-25  4:51   ` Christoph Hellwig
2020-09-25  4:51   ` Christoph Hellwig
2020-09-25  4:51   ` Christoph Hellwig
2020-09-25  4:51 ` [PATCH 9/9] security/keys: remove compat_keyctl_instantiate_key_iov Christoph Hellwig
2020-09-25  4:51   ` Christoph Hellwig
2020-09-25  4:51   ` Christoph Hellwig
2020-09-25  4:51   ` Christoph Hellwig
2020-09-25 15:23 ` let import_iovec deal with compat_iovecs as well v4 Al Viro
2020-09-25 15:23   ` Al Viro
2020-09-25 15:23   ` Al Viro
2020-09-25 15:23   ` Al Viro

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200918124533.3487701-9-hch@lst.de \
    --to=hch@lst.de \
    --cc=akpm@linux-foundation.org \
    --cc=arnd@arndb.de \
    --cc=axboe@kernel.dk \
    --cc=dhowells@redhat.com \
    --cc=io-uring@vger.kernel.org \
    --cc=keyrings@vger.kernel.org \
    --cc=linux-aio@kvack.org \
    --cc=linux-arch@vger.kernel.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-block@vger.kernel.org \
    --cc=linux-fsdevel@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mips@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=linux-parisc@vger.kernel.org \
    --cc=linux-s390@vger.kernel.org \
    --cc=linux-scsi@vger.kernel.org \
    --cc=linux-security-module@vger.kernel.org \
    --cc=linuxppc-dev@lists.ozlabs.org \
    --cc=netdev@vger.kernel.org \
    --cc=sparclinux@vger.kernel.org \
    --cc=viro@zeniv.linux.org.uk \
    --cc=x86@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.