From: Andrea Arcangeli <aarcange@redhat.com>
To: qemu-devel@nongnu.org, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linux-api@vger.kernel.org,
Android Kernel Team <kernel-team@android.com>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>,
Pavel Emelyanov <xemul@parallels.com>,
Sanidhya Kashyap <sanidhya.gatech@gmail.com>,
zhang.zhanghailiang@huawei.com,
Linus Torvalds <torvalds@linux-foundation.org>,
Andres Lagar-Cavilla <andreslc@google.com>,
Dave Hansen <dave@sr71.net>, Paolo Bonzini <pbonzini@redhat.com>,
Rik van Riel <riel@redhat.com>, Mel Gorman <mgorman@suse.de>,
Andy Lutomirski <luto@amacapital.net>,
Andrew Morton <akpm@linux-foundation.org>,
Sasha Levin <sasha.levin@oracle.com>,
Hugh Dickins <hughd@google.com>,
Peter Feiner <pfeiner@google.com>,
"Dr. David Alan Gilbert" <dgilbert@redhat.com>,
Christopher Covington <cov@codeaurora.org>,
Johannes Weiner <hannes@cmpxchg.org>,
Robert Love <rlove@google.com>,
Dmitry Adamushko <dmitry.adamushko@gmail.com>,
Neil Brown <neilb@suse.de>, Mike Hommey <mh@glandium.org>,
Taras Glek <tglek@mozilla.com>, Jan Kara <jack@suse.cz>,
KOSAKI Motohiro <kosaki.motohiro@gmail.com>,
Michel Lespinasse <walken@google.com>,
Minchan Kim <minchan@kernel.org>,
Keith Packard <keithp@keithp.com>,
"Huangpeng (Peter)" <peter.huangpeng@huawei.com>,
Anthony Liguori <anthony@codemonkey.ws>,
Stefan Hajnoczi <stefanha@gmail.com>,
Wenchao Xia <wenchaoqemu@gmail.com>,
Andrew Jones <drjones@redhat.com>,
Juan Quintela <quintela@redhat.com>
Subject: [PATCH 12/21] userfaultfd: activate syscall
Date: Thu, 5 Mar 2015 18:17:55 +0100 [thread overview]
Message-ID: <1425575884-2574-13-git-send-email-aarcange@redhat.com> (raw)
In-Reply-To: <1425575884-2574-1-git-send-email-aarcange@redhat.com>
This activates the userfaultfd syscall.
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
---
arch/powerpc/include/asm/systbl.h | 1 +
arch/powerpc/include/asm/unistd.h | 2 +-
arch/powerpc/include/uapi/asm/unistd.h | 1 +
arch/x86/syscalls/syscall_32.tbl | 1 +
arch/x86/syscalls/syscall_64.tbl | 1 +
include/linux/syscalls.h | 1 +
kernel/sys_ni.c | 1 +
7 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h
index 91062ee..7f21cfd 100644
--- a/arch/powerpc/include/asm/systbl.h
+++ b/arch/powerpc/include/asm/systbl.h
@@ -367,3 +367,4 @@ SYSCALL_SPU(getrandom)
SYSCALL_SPU(memfd_create)
SYSCALL_SPU(bpf)
COMPAT_SYS(execveat)
+SYSCALL_SPU(userfaultfd)
diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h
index 36b79c3..f4f8b66 100644
--- a/arch/powerpc/include/asm/unistd.h
+++ b/arch/powerpc/include/asm/unistd.h
@@ -12,7 +12,7 @@
#include <uapi/asm/unistd.h>
-#define __NR_syscalls 363
+#define __NR_syscalls 364
#define __NR__exit __NR_exit
#define NR_syscalls __NR_syscalls
diff --git a/arch/powerpc/include/uapi/asm/unistd.h b/arch/powerpc/include/uapi/asm/unistd.h
index ef5b5b1..4b4f21e 100644
--- a/arch/powerpc/include/uapi/asm/unistd.h
+++ b/arch/powerpc/include/uapi/asm/unistd.h
@@ -385,5 +385,6 @@
#define __NR_memfd_create 360
#define __NR_bpf 361
#define __NR_execveat 362
+#define __NR_userfaultfd 363
#endif /* _UAPI_ASM_POWERPC_UNISTD_H_ */
diff --git a/arch/x86/syscalls/syscall_32.tbl b/arch/x86/syscalls/syscall_32.tbl
index b3560ec..a20f0b8 100644
--- a/arch/x86/syscalls/syscall_32.tbl
+++ b/arch/x86/syscalls/syscall_32.tbl
@@ -365,3 +365,4 @@
356 i386 memfd_create sys_memfd_create
357 i386 bpf sys_bpf
358 i386 execveat sys_execveat stub32_execveat
+359 i386 userfaultfd sys_userfaultfd
diff --git a/arch/x86/syscalls/syscall_64.tbl b/arch/x86/syscalls/syscall_64.tbl
index 8d656fb..f320b19 100644
--- a/arch/x86/syscalls/syscall_64.tbl
+++ b/arch/x86/syscalls/syscall_64.tbl
@@ -329,6 +329,7 @@
320 common kexec_file_load sys_kexec_file_load
321 common bpf sys_bpf
322 64 execveat stub_execveat
+323 common userfaultfd sys_userfaultfd
#
# x32-specific system call numbers start at 512 to avoid cache impact
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 76d1e38..adf5901 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -810,6 +810,7 @@ asmlinkage long sys_timerfd_gettime(int ufd, struct itimerspec __user *otmr);
asmlinkage long sys_eventfd(unsigned int count);
asmlinkage long sys_eventfd2(unsigned int count, int flags);
asmlinkage long sys_memfd_create(const char __user *uname_ptr, unsigned int flags);
+asmlinkage long sys_userfaultfd(int flags);
asmlinkage long sys_fallocate(int fd, int mode, loff_t offset, loff_t len);
asmlinkage long sys_old_readdir(unsigned int, struct old_linux_dirent __user *, unsigned int);
asmlinkage long sys_pselect6(int, fd_set __user *, fd_set __user *,
diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c
index 5adcb0a..2a10e42 100644
--- a/kernel/sys_ni.c
+++ b/kernel/sys_ni.c
@@ -204,6 +204,7 @@ cond_syscall(compat_sys_timerfd_gettime);
cond_syscall(sys_eventfd);
cond_syscall(sys_eventfd2);
cond_syscall(sys_memfd_create);
+cond_syscall(sys_userfaultfd);
/* performance counters: */
cond_syscall(sys_perf_event_open);
WARNING: multiple messages have this Message-ID (diff)
From: Andrea Arcangeli <aarcange@redhat.com>
To: qemu-devel@nongnu.org, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linux-api@vger.kernel.org,
Android Kernel Team <kernel-team@android.com>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>,
Pavel Emelyanov <xemul@parallels.com>,
Sanidhya Kashyap <sanidhya.gatech@gmail.com>,
zhang.zhanghailiang@huawei.com,
Linus Torvalds <torvalds@linux-foundation.org>,
Andres Lagar-Cavilla <andreslc@google.com>,
Dave Hansen <dave@sr71.net>, Paolo Bonzini <pbonzini@redhat.com>,
Rik van Riel <riel@redhat.com>, Mel Gorman <mgorman@suse.de>,
Andy Lutomirski <luto@amacapital.net>,
Andrew Morton <akpm@linux-foundation.org>,
Sasha Levin <sasha.levin@oracle.com>,
Hugh Dickins <hughd@google.com>,
Peter Feiner <pfeiner@google.com>,
"Dr. David Alan Gilbert" <dgilbert@redhat.com>,
Christopher Covington <cov@codeaurora.org>,
Johannes Weiner <hannes@cmpxchg.org>,
Robert Love <rlove@google.com>,
Dmitry Adamushko <dmitry.adamushko@gmail.com>,
Neil Brown <neilb@suse.de>, Mike Hommey <mh@glandium.org>,
Taras Glek <tglek@mozilla.com>,
Jan
Subject: [PATCH 12/21] userfaultfd: activate syscall
Date: Thu, 5 Mar 2015 18:17:55 +0100 [thread overview]
Message-ID: <1425575884-2574-13-git-send-email-aarcange@redhat.com> (raw)
In-Reply-To: <1425575884-2574-1-git-send-email-aarcange@redhat.com>
This activates the userfaultfd syscall.
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
---
arch/powerpc/include/asm/systbl.h | 1 +
arch/powerpc/include/asm/unistd.h | 2 +-
arch/powerpc/include/uapi/asm/unistd.h | 1 +
arch/x86/syscalls/syscall_32.tbl | 1 +
arch/x86/syscalls/syscall_64.tbl | 1 +
include/linux/syscalls.h | 1 +
kernel/sys_ni.c | 1 +
7 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h
index 91062ee..7f21cfd 100644
--- a/arch/powerpc/include/asm/systbl.h
+++ b/arch/powerpc/include/asm/systbl.h
@@ -367,3 +367,4 @@ SYSCALL_SPU(getrandom)
SYSCALL_SPU(memfd_create)
SYSCALL_SPU(bpf)
COMPAT_SYS(execveat)
+SYSCALL_SPU(userfaultfd)
diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h
index 36b79c3..f4f8b66 100644
--- a/arch/powerpc/include/asm/unistd.h
+++ b/arch/powerpc/include/asm/unistd.h
@@ -12,7 +12,7 @@
#include <uapi/asm/unistd.h>
-#define __NR_syscalls 363
+#define __NR_syscalls 364
#define __NR__exit __NR_exit
#define NR_syscalls __NR_syscalls
diff --git a/arch/powerpc/include/uapi/asm/unistd.h b/arch/powerpc/include/uapi/asm/unistd.h
index ef5b5b1..4b4f21e 100644
--- a/arch/powerpc/include/uapi/asm/unistd.h
+++ b/arch/powerpc/include/uapi/asm/unistd.h
@@ -385,5 +385,6 @@
#define __NR_memfd_create 360
#define __NR_bpf 361
#define __NR_execveat 362
+#define __NR_userfaultfd 363
#endif /* _UAPI_ASM_POWERPC_UNISTD_H_ */
diff --git a/arch/x86/syscalls/syscall_32.tbl b/arch/x86/syscalls/syscall_32.tbl
index b3560ec..a20f0b8 100644
--- a/arch/x86/syscalls/syscall_32.tbl
+++ b/arch/x86/syscalls/syscall_32.tbl
@@ -365,3 +365,4 @@
356 i386 memfd_create sys_memfd_create
357 i386 bpf sys_bpf
358 i386 execveat sys_execveat stub32_execveat
+359 i386 userfaultfd sys_userfaultfd
diff --git a/arch/x86/syscalls/syscall_64.tbl b/arch/x86/syscalls/syscall_64.tbl
index 8d656fb..f320b19 100644
--- a/arch/x86/syscalls/syscall_64.tbl
+++ b/arch/x86/syscalls/syscall_64.tbl
@@ -329,6 +329,7 @@
320 common kexec_file_load sys_kexec_file_load
321 common bpf sys_bpf
322 64 execveat stub_execveat
+323 common userfaultfd sys_userfaultfd
#
# x32-specific system call numbers start at 512 to avoid cache impact
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 76d1e38..adf5901 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -810,6 +810,7 @@ asmlinkage long sys_timerfd_gettime(int ufd, struct itimerspec __user *otmr);
asmlinkage long sys_eventfd(unsigned int count);
asmlinkage long sys_eventfd2(unsigned int count, int flags);
asmlinkage long sys_memfd_create(const char __user *uname_ptr, unsigned int flags);
+asmlinkage long sys_userfaultfd(int flags);
asmlinkage long sys_fallocate(int fd, int mode, loff_t offset, loff_t len);
asmlinkage long sys_old_readdir(unsigned int, struct old_linux_dirent __user *, unsigned int);
asmlinkage long sys_pselect6(int, fd_set __user *, fd_set __user *,
diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c
index 5adcb0a..2a10e42 100644
--- a/kernel/sys_ni.c
+++ b/kernel/sys_ni.c
@@ -204,6 +204,7 @@ cond_syscall(compat_sys_timerfd_gettime);
cond_syscall(sys_eventfd);
cond_syscall(sys_eventfd2);
cond_syscall(sys_memfd_create);
+cond_syscall(sys_userfaultfd);
/* performance counters: */
cond_syscall(sys_perf_event_open);
WARNING: multiple messages have this Message-ID (diff)
From: Andrea Arcangeli <aarcange@redhat.com>
To: qemu-devel@nongnu.org, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linux-api@vger.kernel.org,
Android Kernel Team <kernel-team@android.com>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>,
Pavel Emelyanov <xemul@parallels.com>,
Sanidhya Kashyap <sanidhya.gatech@gmail.com>,
zhang.zhanghailiang@huawei.com,
Linus Torvalds <torvalds@linux-foundation.org>,
Andres Lagar-Cavilla <andreslc@google.com>,
Dave Hansen <dave@sr71.net>, Paolo Bonzini <pbonzini@redhat.com>,
Rik van Riel <riel@redhat.com>, Mel Gorman <mgorman@suse.de>,
Andy Lutomirski <luto@amacapital.net>,
Andrew Morton <akpm@linux-foundation.org>,
Sasha Levin <sasha.levin@oracle.com>,
Hugh Dickins <hughd@google.com>,
Peter Feiner <pfeiner@google.com>,
"Dr. David Alan Gilbert" <dgilbert@redhat.com>,
Christopher Covington <cov@codeaurora.org>,
Johannes Weiner <hannes@cmpxchg.org>,
Robert Love <rlove@google.com>,
Dmitry Adamushko <dmitry.adamushko@gmail.com>,
Neil Brown <neilb@suse.de>, Mike Hommey <mh@glandium.org>,
Taras Glek <tglek@mozilla.com>,
Jan Ka
Subject: [PATCH 12/21] userfaultfd: activate syscall
Date: Thu, 5 Mar 2015 18:17:55 +0100 [thread overview]
Message-ID: <1425575884-2574-13-git-send-email-aarcange@redhat.com> (raw)
In-Reply-To: <1425575884-2574-1-git-send-email-aarcange@redhat.com>
This activates the userfaultfd syscall.
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
---
arch/powerpc/include/asm/systbl.h | 1 +
arch/powerpc/include/asm/unistd.h | 2 +-
arch/powerpc/include/uapi/asm/unistd.h | 1 +
arch/x86/syscalls/syscall_32.tbl | 1 +
arch/x86/syscalls/syscall_64.tbl | 1 +
include/linux/syscalls.h | 1 +
kernel/sys_ni.c | 1 +
7 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h
index 91062ee..7f21cfd 100644
--- a/arch/powerpc/include/asm/systbl.h
+++ b/arch/powerpc/include/asm/systbl.h
@@ -367,3 +367,4 @@ SYSCALL_SPU(getrandom)
SYSCALL_SPU(memfd_create)
SYSCALL_SPU(bpf)
COMPAT_SYS(execveat)
+SYSCALL_SPU(userfaultfd)
diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h
index 36b79c3..f4f8b66 100644
--- a/arch/powerpc/include/asm/unistd.h
+++ b/arch/powerpc/include/asm/unistd.h
@@ -12,7 +12,7 @@
#include <uapi/asm/unistd.h>
-#define __NR_syscalls 363
+#define __NR_syscalls 364
#define __NR__exit __NR_exit
#define NR_syscalls __NR_syscalls
diff --git a/arch/powerpc/include/uapi/asm/unistd.h b/arch/powerpc/include/uapi/asm/unistd.h
index ef5b5b1..4b4f21e 100644
--- a/arch/powerpc/include/uapi/asm/unistd.h
+++ b/arch/powerpc/include/uapi/asm/unistd.h
@@ -385,5 +385,6 @@
#define __NR_memfd_create 360
#define __NR_bpf 361
#define __NR_execveat 362
+#define __NR_userfaultfd 363
#endif /* _UAPI_ASM_POWERPC_UNISTD_H_ */
diff --git a/arch/x86/syscalls/syscall_32.tbl b/arch/x86/syscalls/syscall_32.tbl
index b3560ec..a20f0b8 100644
--- a/arch/x86/syscalls/syscall_32.tbl
+++ b/arch/x86/syscalls/syscall_32.tbl
@@ -365,3 +365,4 @@
356 i386 memfd_create sys_memfd_create
357 i386 bpf sys_bpf
358 i386 execveat sys_execveat stub32_execveat
+359 i386 userfaultfd sys_userfaultfd
diff --git a/arch/x86/syscalls/syscall_64.tbl b/arch/x86/syscalls/syscall_64.tbl
index 8d656fb..f320b19 100644
--- a/arch/x86/syscalls/syscall_64.tbl
+++ b/arch/x86/syscalls/syscall_64.tbl
@@ -329,6 +329,7 @@
320 common kexec_file_load sys_kexec_file_load
321 common bpf sys_bpf
322 64 execveat stub_execveat
+323 common userfaultfd sys_userfaultfd
#
# x32-specific system call numbers start at 512 to avoid cache impact
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 76d1e38..adf5901 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -810,6 +810,7 @@ asmlinkage long sys_timerfd_gettime(int ufd, struct itimerspec __user *otmr);
asmlinkage long sys_eventfd(unsigned int count);
asmlinkage long sys_eventfd2(unsigned int count, int flags);
asmlinkage long sys_memfd_create(const char __user *uname_ptr, unsigned int flags);
+asmlinkage long sys_userfaultfd(int flags);
asmlinkage long sys_fallocate(int fd, int mode, loff_t offset, loff_t len);
asmlinkage long sys_old_readdir(unsigned int, struct old_linux_dirent __user *, unsigned int);
asmlinkage long sys_pselect6(int, fd_set __user *, fd_set __user *,
diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c
index 5adcb0a..2a10e42 100644
--- a/kernel/sys_ni.c
+++ b/kernel/sys_ni.c
@@ -204,6 +204,7 @@ cond_syscall(compat_sys_timerfd_gettime);
cond_syscall(sys_eventfd);
cond_syscall(sys_eventfd2);
cond_syscall(sys_memfd_create);
+cond_syscall(sys_userfaultfd);
/* performance counters: */
cond_syscall(sys_perf_event_open);
WARNING: multiple messages have this Message-ID (diff)
From: Andrea Arcangeli <aarcange@redhat.com>
To: qemu-devel@nongnu.org, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linux-api@vger.kernel.org,
Android Kernel Team <kernel-team@android.com>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>,
Pavel Emelyanov <xemul@parallels.com>,
Sanidhya Kashyap <sanidhya.gatech@gmail.com>,
zhang.zhanghailiang@huawei.com,
Linus Torvalds <torvalds@linux-foundation.org>,
Andres Lagar-Cavilla <andreslc@google.com>,
Dave Hansen <dave@sr71.net>, Paolo Bonzini <pbonzini@redhat.com>,
Rik van Riel <riel@redhat.com>, Mel Gorman <mgorman@suse.de>,
Andy Lutomirski <luto@amacapital.net>,
Andrew Morton <akpm@linux-foundation.org>,
Sasha Levin <sasha.levin@oracle.com>,
Hugh Dickins <hughd@google.com>,
Peter Feiner <pfeiner@google.com>,
"Dr. David Alan Gilbert" <dgilbert@redhat.com>,
Christopher Covington <cov@codeaurora.org>,
Johannes Weiner <hannes@cmpxchg.org>,
Robert Love <rlove@google.com>,
Dmitry Adamushko <dmitry.adamushko@gmail.com>,
Neil Brown <neilb@suse.de>, Mike Hommey <mh@glandium.org>,
Taras Glek <tglek@mozilla.com>, Jan Kara <jack@suse.cz>,
KOSAKI Motohiro <kosaki.motohiro@gmail.com>,
Michel Lespinasse <walken@google.com>,
Minchan Kim <minchan@kernel.org>,
Keith Packard <keithp@keithp.com>,
"Huangpeng (Peter)" <peter.huangpeng@huawei.com>,
Anthony Liguori <anthony@codemonkey.ws>,
Stefan Hajnoczi <stefanha@gmail.com>,
Wenchao Xia <wenchaoqemu@gmail.com>,
Andrew Jones <drjones@redhat.com>,
Juan Quintela <quintela@redhat.com>
Subject: [PATCH 12/21] userfaultfd: activate syscall
Date: Thu, 5 Mar 2015 18:17:55 +0100 [thread overview]
Message-ID: <1425575884-2574-13-git-send-email-aarcange@redhat.com> (raw)
In-Reply-To: <1425575884-2574-1-git-send-email-aarcange@redhat.com>
This activates the userfaultfd syscall.
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
---
arch/powerpc/include/asm/systbl.h | 1 +
arch/powerpc/include/asm/unistd.h | 2 +-
arch/powerpc/include/uapi/asm/unistd.h | 1 +
arch/x86/syscalls/syscall_32.tbl | 1 +
arch/x86/syscalls/syscall_64.tbl | 1 +
include/linux/syscalls.h | 1 +
kernel/sys_ni.c | 1 +
7 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h
index 91062ee..7f21cfd 100644
--- a/arch/powerpc/include/asm/systbl.h
+++ b/arch/powerpc/include/asm/systbl.h
@@ -367,3 +367,4 @@ SYSCALL_SPU(getrandom)
SYSCALL_SPU(memfd_create)
SYSCALL_SPU(bpf)
COMPAT_SYS(execveat)
+SYSCALL_SPU(userfaultfd)
diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h
index 36b79c3..f4f8b66 100644
--- a/arch/powerpc/include/asm/unistd.h
+++ b/arch/powerpc/include/asm/unistd.h
@@ -12,7 +12,7 @@
#include <uapi/asm/unistd.h>
-#define __NR_syscalls 363
+#define __NR_syscalls 364
#define __NR__exit __NR_exit
#define NR_syscalls __NR_syscalls
diff --git a/arch/powerpc/include/uapi/asm/unistd.h b/arch/powerpc/include/uapi/asm/unistd.h
index ef5b5b1..4b4f21e 100644
--- a/arch/powerpc/include/uapi/asm/unistd.h
+++ b/arch/powerpc/include/uapi/asm/unistd.h
@@ -385,5 +385,6 @@
#define __NR_memfd_create 360
#define __NR_bpf 361
#define __NR_execveat 362
+#define __NR_userfaultfd 363
#endif /* _UAPI_ASM_POWERPC_UNISTD_H_ */
diff --git a/arch/x86/syscalls/syscall_32.tbl b/arch/x86/syscalls/syscall_32.tbl
index b3560ec..a20f0b8 100644
--- a/arch/x86/syscalls/syscall_32.tbl
+++ b/arch/x86/syscalls/syscall_32.tbl
@@ -365,3 +365,4 @@
356 i386 memfd_create sys_memfd_create
357 i386 bpf sys_bpf
358 i386 execveat sys_execveat stub32_execveat
+359 i386 userfaultfd sys_userfaultfd
diff --git a/arch/x86/syscalls/syscall_64.tbl b/arch/x86/syscalls/syscall_64.tbl
index 8d656fb..f320b19 100644
--- a/arch/x86/syscalls/syscall_64.tbl
+++ b/arch/x86/syscalls/syscall_64.tbl
@@ -329,6 +329,7 @@
320 common kexec_file_load sys_kexec_file_load
321 common bpf sys_bpf
322 64 execveat stub_execveat
+323 common userfaultfd sys_userfaultfd
#
# x32-specific system call numbers start at 512 to avoid cache impact
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 76d1e38..adf5901 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -810,6 +810,7 @@ asmlinkage long sys_timerfd_gettime(int ufd, struct itimerspec __user *otmr);
asmlinkage long sys_eventfd(unsigned int count);
asmlinkage long sys_eventfd2(unsigned int count, int flags);
asmlinkage long sys_memfd_create(const char __user *uname_ptr, unsigned int flags);
+asmlinkage long sys_userfaultfd(int flags);
asmlinkage long sys_fallocate(int fd, int mode, loff_t offset, loff_t len);
asmlinkage long sys_old_readdir(unsigned int, struct old_linux_dirent __user *, unsigned int);
asmlinkage long sys_pselect6(int, fd_set __user *, fd_set __user *,
diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c
index 5adcb0a..2a10e42 100644
--- a/kernel/sys_ni.c
+++ b/kernel/sys_ni.c
@@ -204,6 +204,7 @@ cond_syscall(compat_sys_timerfd_gettime);
cond_syscall(sys_eventfd);
cond_syscall(sys_eventfd2);
cond_syscall(sys_memfd_create);
+cond_syscall(sys_userfaultfd);
/* performance counters: */
cond_syscall(sys_perf_event_open);
--
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WARNING: multiple messages have this Message-ID (diff)
From: Andrea Arcangeli <aarcange@redhat.com>
To: qemu-devel@nongnu.org, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linux-api@vger.kernel.org,
Android Kernel Team <kernel-team@android.com>
Cc: Robert Love <rlove@google.com>, Dave Hansen <dave@sr71.net>,
Jan Kara <jack@suse.cz>, Neil Brown <neilb@suse.de>,
Stefan Hajnoczi <stefanha@gmail.com>,
Andrew Jones <drjones@redhat.com>,
Sanidhya Kashyap <sanidhya.gatech@gmail.com>,
KOSAKI Motohiro <kosaki.motohiro@gmail.com>,
Michel Lespinasse <walken@google.com>,
Taras Glek <tglek@mozilla.com>,
zhang.zhanghailiang@huawei.com,
Pavel Emelyanov <xemul@parallels.com>,
Hugh Dickins <hughd@google.com>, Mel Gorman <mgorman@suse.de>,
Sasha Levin <sasha.levin@oracle.com>,
"Dr. David Alan Gilbert" <dgilbert@redhat.com>,
"Huangpeng (Peter)" <peter.huangpeng@huawei.com>,
Andres Lagar-Cavilla <andreslc@google.com>,
Christopher Covington <cov@codeaurora.org>,
Anthony Liguori <anthony@codemonkey.ws>,
Paolo Bonzini <pbonzini@redhat.com>,
"Kirill A. Shutemov" <kirill@shutemov.name>,
Keith Packard <keithp@keithp.com>,
Wenchao Xia <wenchaoqemu@gmail.com>,
Juan Quintela <quintela@redhat.com>,
Andy Lutomirski <luto@amacapital.net>,
Minchan Kim <minchan@kernel.org>,
Dmitry Adamushko <dmitry.adamushko@gmail.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Mike Hommey <mh@glandium.org>,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Peter Feiner <pfeiner@google.com>
Subject: [Qemu-devel] [PATCH 12/21] userfaultfd: activate syscall
Date: Thu, 5 Mar 2015 18:17:55 +0100 [thread overview]
Message-ID: <1425575884-2574-13-git-send-email-aarcange@redhat.com> (raw)
In-Reply-To: <1425575884-2574-1-git-send-email-aarcange@redhat.com>
This activates the userfaultfd syscall.
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
---
arch/powerpc/include/asm/systbl.h | 1 +
arch/powerpc/include/asm/unistd.h | 2 +-
arch/powerpc/include/uapi/asm/unistd.h | 1 +
arch/x86/syscalls/syscall_32.tbl | 1 +
arch/x86/syscalls/syscall_64.tbl | 1 +
include/linux/syscalls.h | 1 +
kernel/sys_ni.c | 1 +
7 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h
index 91062ee..7f21cfd 100644
--- a/arch/powerpc/include/asm/systbl.h
+++ b/arch/powerpc/include/asm/systbl.h
@@ -367,3 +367,4 @@ SYSCALL_SPU(getrandom)
SYSCALL_SPU(memfd_create)
SYSCALL_SPU(bpf)
COMPAT_SYS(execveat)
+SYSCALL_SPU(userfaultfd)
diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h
index 36b79c3..f4f8b66 100644
--- a/arch/powerpc/include/asm/unistd.h
+++ b/arch/powerpc/include/asm/unistd.h
@@ -12,7 +12,7 @@
#include <uapi/asm/unistd.h>
-#define __NR_syscalls 363
+#define __NR_syscalls 364
#define __NR__exit __NR_exit
#define NR_syscalls __NR_syscalls
diff --git a/arch/powerpc/include/uapi/asm/unistd.h b/arch/powerpc/include/uapi/asm/unistd.h
index ef5b5b1..4b4f21e 100644
--- a/arch/powerpc/include/uapi/asm/unistd.h
+++ b/arch/powerpc/include/uapi/asm/unistd.h
@@ -385,5 +385,6 @@
#define __NR_memfd_create 360
#define __NR_bpf 361
#define __NR_execveat 362
+#define __NR_userfaultfd 363
#endif /* _UAPI_ASM_POWERPC_UNISTD_H_ */
diff --git a/arch/x86/syscalls/syscall_32.tbl b/arch/x86/syscalls/syscall_32.tbl
index b3560ec..a20f0b8 100644
--- a/arch/x86/syscalls/syscall_32.tbl
+++ b/arch/x86/syscalls/syscall_32.tbl
@@ -365,3 +365,4 @@
356 i386 memfd_create sys_memfd_create
357 i386 bpf sys_bpf
358 i386 execveat sys_execveat stub32_execveat
+359 i386 userfaultfd sys_userfaultfd
diff --git a/arch/x86/syscalls/syscall_64.tbl b/arch/x86/syscalls/syscall_64.tbl
index 8d656fb..f320b19 100644
--- a/arch/x86/syscalls/syscall_64.tbl
+++ b/arch/x86/syscalls/syscall_64.tbl
@@ -329,6 +329,7 @@
320 common kexec_file_load sys_kexec_file_load
321 common bpf sys_bpf
322 64 execveat stub_execveat
+323 common userfaultfd sys_userfaultfd
#
# x32-specific system call numbers start at 512 to avoid cache impact
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 76d1e38..adf5901 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -810,6 +810,7 @@ asmlinkage long sys_timerfd_gettime(int ufd, struct itimerspec __user *otmr);
asmlinkage long sys_eventfd(unsigned int count);
asmlinkage long sys_eventfd2(unsigned int count, int flags);
asmlinkage long sys_memfd_create(const char __user *uname_ptr, unsigned int flags);
+asmlinkage long sys_userfaultfd(int flags);
asmlinkage long sys_fallocate(int fd, int mode, loff_t offset, loff_t len);
asmlinkage long sys_old_readdir(unsigned int, struct old_linux_dirent __user *, unsigned int);
asmlinkage long sys_pselect6(int, fd_set __user *, fd_set __user *,
diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c
index 5adcb0a..2a10e42 100644
--- a/kernel/sys_ni.c
+++ b/kernel/sys_ni.c
@@ -204,6 +204,7 @@ cond_syscall(compat_sys_timerfd_gettime);
cond_syscall(sys_eventfd);
cond_syscall(sys_eventfd2);
cond_syscall(sys_memfd_create);
+cond_syscall(sys_userfaultfd);
/* performance counters: */
cond_syscall(sys_perf_event_open);
next prev parent reply other threads:[~2015-03-05 17:19 UTC|newest]
Thread overview: 158+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-05 17:17 [PATCH 00/21] RFC: userfaultfd v3 Andrea Arcangeli
2015-03-05 17:17 ` [Qemu-devel] " Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` [PATCH 01/21] userfaultfd: waitqueue: add nr wake parameter to __wake_up_locked_key Andrea Arcangeli
2015-03-05 17:17 ` [Qemu-devel] " Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` [PATCH 02/21] userfaultfd: linux/Documentation/vm/userfaultfd.txt Andrea Arcangeli
2015-03-05 17:17 ` [Qemu-devel] " Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-06 15:39 ` [Qemu-devel] " Eric Blake
2015-03-06 15:39 ` Eric Blake
2015-03-06 15:39 ` Eric Blake
2015-03-06 15:39 ` Eric Blake
2015-03-05 17:17 ` [PATCH 03/21] userfaultfd: uAPI Andrea Arcangeli
2015-03-05 17:17 ` [Qemu-devel] " Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` [PATCH 04/21] userfaultfd: linux/userfaultfd_k.h Andrea Arcangeli
2015-03-05 17:17 ` [Qemu-devel] " Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` [PATCH 05/21] userfaultfd: add vm_userfaultfd_ctx to the vm_area_struct Andrea Arcangeli
2015-03-05 17:17 ` [Qemu-devel] " Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:48 ` Pavel Emelyanov
2015-03-05 17:48 ` [Qemu-devel] " Pavel Emelyanov
2015-03-05 17:48 ` Pavel Emelyanov
2015-03-05 17:48 ` Pavel Emelyanov
2015-03-05 17:48 ` Pavel Emelyanov
2015-03-05 17:17 ` [PATCH 06/21] userfaultfd: add VM_UFFD_MISSING and VM_UFFD_WP Andrea Arcangeli
2015-03-05 17:17 ` [Qemu-devel] " Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` [PATCH 07/21] userfaultfd: call handle_userfault() for userfaultfd_missing() faults Andrea Arcangeli
2015-03-05 17:17 ` [Qemu-devel] " Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` [PATCH 08/21] userfaultfd: teach vma_merge to merge across vma->vm_userfaultfd_ctx Andrea Arcangeli
2015-03-05 17:17 ` [Qemu-devel] " Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` [PATCH 09/21] userfaultfd: prevent khugepaged to merge if userfaultfd is armed Andrea Arcangeli
2015-03-05 17:17 ` [Qemu-devel] " Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` [PATCH 10/21] userfaultfd: add new syscall to provide memory externalization Andrea Arcangeli
2015-03-05 17:17 ` [Qemu-devel] " Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:57 ` Pavel Emelyanov
2015-03-05 17:57 ` [Qemu-devel] " Pavel Emelyanov
2015-03-05 17:57 ` Pavel Emelyanov
2015-03-05 17:57 ` Pavel Emelyanov
2015-03-05 17:57 ` Pavel Emelyanov
2015-03-06 10:48 ` Michael Kerrisk (man-pages)
2015-03-06 10:48 ` [Qemu-devel] " Michael Kerrisk (man-pages)
2015-03-06 10:48 ` Michael Kerrisk (man-pages)
2015-03-06 10:48 ` Michael Kerrisk (man-pages)
2015-03-16 10:45 ` Thomas Martitz
2015-03-05 17:17 ` [PATCH 11/21] userfaultfd: buildsystem activation Andrea Arcangeli
2015-03-05 17:17 ` [Qemu-devel] " Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli [this message]
2015-03-05 17:17 ` [Qemu-devel] [PATCH 12/21] userfaultfd: activate syscall Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` [PATCH 13/21] userfaultfd: UFFDIO_COPY|UFFDIO_ZEROPAGE uAPI Andrea Arcangeli
2015-03-05 17:17 ` [Qemu-devel] " Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` [PATCH 14/21] userfaultfd: mcopy_atomic|mfill_zeropage: UFFDIO_COPY|UFFDIO_ZEROPAGE preparation Andrea Arcangeli
2015-03-05 17:17 ` [Qemu-devel] " Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 18:07 ` Pavel Emelyanov
2015-03-05 18:07 ` [Qemu-devel] " Pavel Emelyanov
2015-03-05 18:07 ` Pavel Emelyanov
2015-03-05 18:07 ` Pavel Emelyanov
2015-03-05 18:07 ` Pavel Emelyanov
2015-03-05 17:17 ` [PATCH 15/21] userfaultfd: UFFDIO_COPY and UFFDIO_ZEROPAGE Andrea Arcangeli
2015-03-05 17:17 ` [Qemu-devel] " Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` [PATCH 16/21] userfaultfd: remap_pages: rmap preparation Andrea Arcangeli
2015-03-05 17:17 ` [Qemu-devel] " Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:17 ` Andrea Arcangeli
2015-03-05 17:18 ` [PATCH 17/21] userfaultfd: remap_pages: swp_entry_swapcount() preparation Andrea Arcangeli
2015-03-05 17:18 ` [Qemu-devel] " Andrea Arcangeli
2015-03-05 17:18 ` Andrea Arcangeli
2015-03-05 17:18 ` Andrea Arcangeli
2015-03-05 17:18 ` Andrea Arcangeli
2015-03-05 17:18 ` [PATCH 18/21] userfaultfd: UFFDIO_REMAP uABI Andrea Arcangeli
2015-03-05 17:18 ` [Qemu-devel] " Andrea Arcangeli
2015-03-05 17:18 ` Andrea Arcangeli
2015-03-05 17:18 ` Andrea Arcangeli
2015-03-05 17:18 ` Andrea Arcangeli
2015-03-05 17:18 ` [PATCH 19/21] userfaultfd: remap_pages: UFFDIO_REMAP preparation Andrea Arcangeli
2015-03-05 17:18 ` [Qemu-devel] " Andrea Arcangeli
2015-03-05 17:18 ` Andrea Arcangeli
2015-03-05 17:18 ` Andrea Arcangeli
2015-03-05 17:18 ` Andrea Arcangeli
2015-03-05 17:39 ` Linus Torvalds
2015-03-05 17:39 ` [Qemu-devel] " Linus Torvalds
2015-03-05 17:39 ` Linus Torvalds
2015-03-05 17:39 ` Linus Torvalds
2015-03-05 17:39 ` Linus Torvalds
2015-03-05 18:51 ` Andrea Arcangeli
2015-03-05 18:51 ` [Qemu-devel] " Andrea Arcangeli
2015-03-05 18:51 ` Andrea Arcangeli
2015-03-05 18:51 ` Andrea Arcangeli
2015-03-05 19:32 ` Linus Torvalds
2015-03-05 19:32 ` [Qemu-devel] " Linus Torvalds
2015-03-05 19:32 ` Linus Torvalds
2015-03-05 19:32 ` Linus Torvalds
2015-03-05 19:32 ` Linus Torvalds
2015-03-05 18:01 ` Pavel Emelyanov
2015-03-05 18:01 ` [Qemu-devel] " Pavel Emelyanov
2015-03-05 18:01 ` Pavel Emelyanov
2015-03-05 18:01 ` Pavel Emelyanov
2015-03-05 18:01 ` Pavel Emelyanov
2015-03-05 17:18 ` [PATCH 20/21] userfaultfd: UFFDIO_REMAP Andrea Arcangeli
2015-03-05 17:18 ` [Qemu-devel] " Andrea Arcangeli
2015-03-05 17:18 ` Andrea Arcangeli
2015-03-05 17:18 ` Andrea Arcangeli
2015-03-05 17:18 ` Andrea Arcangeli
2015-03-05 17:18 ` [PATCH 21/21] userfaultfd: add userfaultfd_wp mm helpers Andrea Arcangeli
2015-03-05 17:18 ` [Qemu-devel] " Andrea Arcangeli
2015-03-05 17:18 ` Andrea Arcangeli
2015-03-05 17:18 ` Andrea Arcangeli
2015-03-05 17:18 ` Andrea Arcangeli
2015-03-05 18:15 ` [PATCH 00/21] RFC: userfaultfd v3 Pavel Emelyanov
2015-03-05 18:15 ` [Qemu-devel] " Pavel Emelyanov
2015-03-05 18:15 ` Pavel Emelyanov
2015-03-05 18:15 ` Pavel Emelyanov
2015-03-05 18:15 ` Pavel Emelyanov
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