From: Christoph Hellwig <hch@lst.de> To: Linus Torvalds <torvalds@linux-foundation.org>, Al Viro <viro@zeniv.linux.org.uk>, Michael Ellerman <mpe@ellerman.id.au>, x86@kernel.org Cc: Alexey Dobriyan <adobriyan@gmail.com>, Luis Chamberlain <mcgrof@kernel.org>, Kees Cook <keescook@chromium.org>, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-arch@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCH 14/14] powerpc: remove address space overrides using set_fs() Date: Thu, 3 Sep 2020 16:22:42 +0200 [thread overview] Message-ID: <20200903142242.925828-15-hch@lst.de> (raw) In-Reply-To: <20200903142242.925828-1-hch@lst.de> Stop providing the possibility to override the address space using set_fs() now that there is no need for that any more. Signed-off-by: Christoph Hellwig <hch@lst.de> --- arch/powerpc/Kconfig | 1 - arch/powerpc/include/asm/processor.h | 7 ---- arch/powerpc/include/asm/thread_info.h | 5 +-- arch/powerpc/include/asm/uaccess.h | 57 +++++++------------------- arch/powerpc/kernel/signal.c | 3 -- arch/powerpc/lib/sstep.c | 6 +-- 6 files changed, 18 insertions(+), 61 deletions(-) diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 4d1c18a3b83977..65bed1fdeaad71 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -249,7 +249,6 @@ config PPC select PCI_SYSCALL if PCI select PPC_DAWR if PPC64 select RTC_LIB - select SET_FS select SPARSE_IRQ select SYSCTL_EXCEPTION_TRACE select THREAD_INFO_IN_TASK diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h index ed0d633ab5aa42..f01e4d650c520a 100644 --- a/arch/powerpc/include/asm/processor.h +++ b/arch/powerpc/include/asm/processor.h @@ -83,10 +83,6 @@ struct task_struct; void start_thread(struct pt_regs *regs, unsigned long fdptr, unsigned long sp); void release_thread(struct task_struct *); -typedef struct { - unsigned long seg; -} mm_segment_t; - #define TS_FPR(i) fp_state.fpr[i][TS_FPROFFSET] #define TS_CKFPR(i) ckfp_state.fpr[i][TS_FPROFFSET] @@ -148,7 +144,6 @@ struct thread_struct { unsigned long ksp_vsid; #endif struct pt_regs *regs; /* Pointer to saved register state */ - mm_segment_t addr_limit; /* for get_fs() validation */ #ifdef CONFIG_BOOKE /* BookE base exception scratch space; align on cacheline */ unsigned long normsave[8] ____cacheline_aligned; @@ -295,7 +290,6 @@ struct thread_struct { #define INIT_THREAD { \ .ksp = INIT_SP, \ .ksp_limit = INIT_SP_LIMIT, \ - .addr_limit = KERNEL_DS, \ .pgdir = swapper_pg_dir, \ .fpexc_mode = MSR_FE0 | MSR_FE1, \ SPEFSCR_INIT \ @@ -303,7 +297,6 @@ struct thread_struct { #else #define INIT_THREAD { \ .ksp = INIT_SP, \ - .addr_limit = KERNEL_DS, \ .fpexc_mode = 0, \ } #endif diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h index ca6c9702570494..46a210b03d2b80 100644 --- a/arch/powerpc/include/asm/thread_info.h +++ b/arch/powerpc/include/asm/thread_info.h @@ -90,7 +90,6 @@ void arch_setup_new_exec(void); #define TIF_SYSCALL_TRACE 0 /* syscall trace active */ #define TIF_SIGPENDING 1 /* signal pending */ #define TIF_NEED_RESCHED 2 /* rescheduling necessary */ -#define TIF_FSCHECK 3 /* Check FS is USER_DS on return */ #define TIF_SYSCALL_EMU 4 /* syscall emulation active */ #define TIF_RESTORE_TM 5 /* need to restore TM FP/VEC/VSX */ #define TIF_PATCH_PENDING 6 /* pending live patching update */ @@ -130,7 +129,6 @@ void arch_setup_new_exec(void); #define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT) #define _TIF_EMULATE_STACK_STORE (1<<TIF_EMULATE_STACK_STORE) #define _TIF_NOHZ (1<<TIF_NOHZ) -#define _TIF_FSCHECK (1<<TIF_FSCHECK) #define _TIF_SYSCALL_EMU (1<<TIF_SYSCALL_EMU) #define _TIF_SYSCALL_DOTRACE (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | \ _TIF_SECCOMP | _TIF_SYSCALL_TRACEPOINT | \ @@ -138,8 +136,7 @@ void arch_setup_new_exec(void); #define _TIF_USER_WORK_MASK (_TIF_SIGPENDING | _TIF_NEED_RESCHED | \ _TIF_NOTIFY_RESUME | _TIF_UPROBE | \ - _TIF_RESTORE_TM | _TIF_PATCH_PENDING | \ - _TIF_FSCHECK) + _TIF_RESTORE_TM | _TIF_PATCH_PENDING) #define _TIF_PERSYSCALL_MASK (_TIF_RESTOREALL|_TIF_NOERROR) /* Bits in local_flags */ diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h index 7fe3531ad36a77..5363f7fc6dd06c 100644 --- a/arch/powerpc/include/asm/uaccess.h +++ b/arch/powerpc/include/asm/uaccess.h @@ -8,62 +8,33 @@ #include <asm/extable.h> #include <asm/kup.h> -/* - * The fs value determines whether argument validity checking should be - * performed or not. If get_fs() == USER_DS, checking is performed, with - * get_fs() == KERNEL_DS, checking is bypassed. - * - * For historical reasons, these macros are grossly misnamed. - * - * The fs/ds values are now the highest legal address in the "segment". - * This simplifies the checking in the routines below. - */ - -#define MAKE_MM_SEG(s) ((mm_segment_t) { (s) }) - -#define KERNEL_DS MAKE_MM_SEG(~0UL) #ifdef __powerpc64__ /* We use TASK_SIZE_USER64 as TASK_SIZE is not constant */ -#define USER_DS MAKE_MM_SEG(TASK_SIZE_USER64 - 1) -#else -#define USER_DS MAKE_MM_SEG(TASK_SIZE - 1) -#endif - -#define get_fs() (current->thread.addr_limit) - -static inline void set_fs(mm_segment_t fs) -{ - current->thread.addr_limit = fs; - /* On user-mode return check addr_limit (fs) is correct */ - set_thread_flag(TIF_FSCHECK); -} - -#define uaccess_kernel() (get_fs().seg == KERNEL_DS.seg) -#define user_addr_max() (get_fs().seg) +#define TASK_SIZE_MAX TASK_SIZE_USER64 -#ifdef __powerpc64__ /* - * This check is sufficient because there is a large enough - * gap between user addresses and the kernel addresses + * This check is sufficient because there is a large enough gap between user + * addresses and the kernel addresses. */ -#define __access_ok(addr, size, segment) \ - (((addr) <= (segment).seg) && ((size) <= (segment).seg)) +static inline bool __access_ok(unsigned long addr, unsigned long size) +{ + return addr < TASK_SIZE_MAX && size < TASK_SIZE_MAX; +} #else +#define TASK_SIZE_MAX TASK_SIZE -static inline int __access_ok(unsigned long addr, unsigned long size, - mm_segment_t seg) +static inline bool __access_ok(unsigned long addr, unsigned long size) { - if (addr > seg.seg) - return 0; - return (size == 0 || size - 1 <= seg.seg - addr); + if (addr >= TASK_SIZE_MAX) + return false; + return size == 0 || size <= TASK_SIZE_MAX - addr; } - -#endif +#endif /* __powerpc64__ */ #define access_ok(addr, size) \ (__chk_user_ptr(addr), \ - __access_ok((__force unsigned long)(addr), (size), get_fs())) + __access_ok((unsigned long)(addr), (size))) /* * These are the main single-value transfer routines. They automatically diff --git a/arch/powerpc/kernel/signal.c b/arch/powerpc/kernel/signal.c index d15a98c758b8b4..df547d8e31e49c 100644 --- a/arch/powerpc/kernel/signal.c +++ b/arch/powerpc/kernel/signal.c @@ -312,9 +312,6 @@ void do_notify_resume(struct pt_regs *regs, unsigned long thread_info_flags) { user_exit(); - /* Check valid addr_limit, TIF check is done there */ - addr_limit_user_check(); - if (thread_info_flags & _TIF_UPROBE) uprobe_notify_resume(regs); diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c index caee8cc77e1954..8342188ea1acd0 100644 --- a/arch/powerpc/lib/sstep.c +++ b/arch/powerpc/lib/sstep.c @@ -108,11 +108,11 @@ static nokprobe_inline long address_ok(struct pt_regs *regs, { if (!user_mode(regs)) return 1; - if (__access_ok(ea, nb, USER_DS)) + if (__access_ok(ea, nb)) return 1; - if (__access_ok(ea, 1, USER_DS)) + if (__access_ok(ea, 1)) /* Access overlaps the end of the user region */ - regs->dar = USER_DS.seg; + regs->dar = TASK_SIZE_MAX - 1; else regs->dar = ea; return 0; -- 2.28.0
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de> To: Linus Torvalds <torvalds@linux-foundation.org>, Al Viro <viro@zeniv.linux.org.uk>, Michael Ellerman <mpe@ellerman.id.au>, x86@kernel.org Cc: linux-arch@vger.kernel.org, Kees Cook <keescook@chromium.org>, linux-kernel@vger.kernel.org, Luis Chamberlain <mcgrof@kernel.org>, linux-fsdevel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, Alexey Dobriyan <adobriyan@gmail.com> Subject: [PATCH 14/14] powerpc: remove address space overrides using set_fs() Date: Thu, 3 Sep 2020 16:22:42 +0200 [thread overview] Message-ID: <20200903142242.925828-15-hch@lst.de> (raw) In-Reply-To: <20200903142242.925828-1-hch@lst.de> Stop providing the possibility to override the address space using set_fs() now that there is no need for that any more. Signed-off-by: Christoph Hellwig <hch@lst.de> --- arch/powerpc/Kconfig | 1 - arch/powerpc/include/asm/processor.h | 7 ---- arch/powerpc/include/asm/thread_info.h | 5 +-- arch/powerpc/include/asm/uaccess.h | 57 +++++++------------------- arch/powerpc/kernel/signal.c | 3 -- arch/powerpc/lib/sstep.c | 6 +-- 6 files changed, 18 insertions(+), 61 deletions(-) diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 4d1c18a3b83977..65bed1fdeaad71 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -249,7 +249,6 @@ config PPC select PCI_SYSCALL if PCI select PPC_DAWR if PPC64 select RTC_LIB - select SET_FS select SPARSE_IRQ select SYSCTL_EXCEPTION_TRACE select THREAD_INFO_IN_TASK diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h index ed0d633ab5aa42..f01e4d650c520a 100644 --- a/arch/powerpc/include/asm/processor.h +++ b/arch/powerpc/include/asm/processor.h @@ -83,10 +83,6 @@ struct task_struct; void start_thread(struct pt_regs *regs, unsigned long fdptr, unsigned long sp); void release_thread(struct task_struct *); -typedef struct { - unsigned long seg; -} mm_segment_t; - #define TS_FPR(i) fp_state.fpr[i][TS_FPROFFSET] #define TS_CKFPR(i) ckfp_state.fpr[i][TS_FPROFFSET] @@ -148,7 +144,6 @@ struct thread_struct { unsigned long ksp_vsid; #endif struct pt_regs *regs; /* Pointer to saved register state */ - mm_segment_t addr_limit; /* for get_fs() validation */ #ifdef CONFIG_BOOKE /* BookE base exception scratch space; align on cacheline */ unsigned long normsave[8] ____cacheline_aligned; @@ -295,7 +290,6 @@ struct thread_struct { #define INIT_THREAD { \ .ksp = INIT_SP, \ .ksp_limit = INIT_SP_LIMIT, \ - .addr_limit = KERNEL_DS, \ .pgdir = swapper_pg_dir, \ .fpexc_mode = MSR_FE0 | MSR_FE1, \ SPEFSCR_INIT \ @@ -303,7 +297,6 @@ struct thread_struct { #else #define INIT_THREAD { \ .ksp = INIT_SP, \ - .addr_limit = KERNEL_DS, \ .fpexc_mode = 0, \ } #endif diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h index ca6c9702570494..46a210b03d2b80 100644 --- a/arch/powerpc/include/asm/thread_info.h +++ b/arch/powerpc/include/asm/thread_info.h @@ -90,7 +90,6 @@ void arch_setup_new_exec(void); #define TIF_SYSCALL_TRACE 0 /* syscall trace active */ #define TIF_SIGPENDING 1 /* signal pending */ #define TIF_NEED_RESCHED 2 /* rescheduling necessary */ -#define TIF_FSCHECK 3 /* Check FS is USER_DS on return */ #define TIF_SYSCALL_EMU 4 /* syscall emulation active */ #define TIF_RESTORE_TM 5 /* need to restore TM FP/VEC/VSX */ #define TIF_PATCH_PENDING 6 /* pending live patching update */ @@ -130,7 +129,6 @@ void arch_setup_new_exec(void); #define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT) #define _TIF_EMULATE_STACK_STORE (1<<TIF_EMULATE_STACK_STORE) #define _TIF_NOHZ (1<<TIF_NOHZ) -#define _TIF_FSCHECK (1<<TIF_FSCHECK) #define _TIF_SYSCALL_EMU (1<<TIF_SYSCALL_EMU) #define _TIF_SYSCALL_DOTRACE (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | \ _TIF_SECCOMP | _TIF_SYSCALL_TRACEPOINT | \ @@ -138,8 +136,7 @@ void arch_setup_new_exec(void); #define _TIF_USER_WORK_MASK (_TIF_SIGPENDING | _TIF_NEED_RESCHED | \ _TIF_NOTIFY_RESUME | _TIF_UPROBE | \ - _TIF_RESTORE_TM | _TIF_PATCH_PENDING | \ - _TIF_FSCHECK) + _TIF_RESTORE_TM | _TIF_PATCH_PENDING) #define _TIF_PERSYSCALL_MASK (_TIF_RESTOREALL|_TIF_NOERROR) /* Bits in local_flags */ diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h index 7fe3531ad36a77..5363f7fc6dd06c 100644 --- a/arch/powerpc/include/asm/uaccess.h +++ b/arch/powerpc/include/asm/uaccess.h @@ -8,62 +8,33 @@ #include <asm/extable.h> #include <asm/kup.h> -/* - * The fs value determines whether argument validity checking should be - * performed or not. If get_fs() == USER_DS, checking is performed, with - * get_fs() == KERNEL_DS, checking is bypassed. - * - * For historical reasons, these macros are grossly misnamed. - * - * The fs/ds values are now the highest legal address in the "segment". - * This simplifies the checking in the routines below. - */ - -#define MAKE_MM_SEG(s) ((mm_segment_t) { (s) }) - -#define KERNEL_DS MAKE_MM_SEG(~0UL) #ifdef __powerpc64__ /* We use TASK_SIZE_USER64 as TASK_SIZE is not constant */ -#define USER_DS MAKE_MM_SEG(TASK_SIZE_USER64 - 1) -#else -#define USER_DS MAKE_MM_SEG(TASK_SIZE - 1) -#endif - -#define get_fs() (current->thread.addr_limit) - -static inline void set_fs(mm_segment_t fs) -{ - current->thread.addr_limit = fs; - /* On user-mode return check addr_limit (fs) is correct */ - set_thread_flag(TIF_FSCHECK); -} - -#define uaccess_kernel() (get_fs().seg == KERNEL_DS.seg) -#define user_addr_max() (get_fs().seg) +#define TASK_SIZE_MAX TASK_SIZE_USER64 -#ifdef __powerpc64__ /* - * This check is sufficient because there is a large enough - * gap between user addresses and the kernel addresses + * This check is sufficient because there is a large enough gap between user + * addresses and the kernel addresses. */ -#define __access_ok(addr, size, segment) \ - (((addr) <= (segment).seg) && ((size) <= (segment).seg)) +static inline bool __access_ok(unsigned long addr, unsigned long size) +{ + return addr < TASK_SIZE_MAX && size < TASK_SIZE_MAX; +} #else +#define TASK_SIZE_MAX TASK_SIZE -static inline int __access_ok(unsigned long addr, unsigned long size, - mm_segment_t seg) +static inline bool __access_ok(unsigned long addr, unsigned long size) { - if (addr > seg.seg) - return 0; - return (size == 0 || size - 1 <= seg.seg - addr); + if (addr >= TASK_SIZE_MAX) + return false; + return size == 0 || size <= TASK_SIZE_MAX - addr; } - -#endif +#endif /* __powerpc64__ */ #define access_ok(addr, size) \ (__chk_user_ptr(addr), \ - __access_ok((__force unsigned long)(addr), (size), get_fs())) + __access_ok((unsigned long)(addr), (size))) /* * These are the main single-value transfer routines. They automatically diff --git a/arch/powerpc/kernel/signal.c b/arch/powerpc/kernel/signal.c index d15a98c758b8b4..df547d8e31e49c 100644 --- a/arch/powerpc/kernel/signal.c +++ b/arch/powerpc/kernel/signal.c @@ -312,9 +312,6 @@ void do_notify_resume(struct pt_regs *regs, unsigned long thread_info_flags) { user_exit(); - /* Check valid addr_limit, TIF check is done there */ - addr_limit_user_check(); - if (thread_info_flags & _TIF_UPROBE) uprobe_notify_resume(regs); diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c index caee8cc77e1954..8342188ea1acd0 100644 --- a/arch/powerpc/lib/sstep.c +++ b/arch/powerpc/lib/sstep.c @@ -108,11 +108,11 @@ static nokprobe_inline long address_ok(struct pt_regs *regs, { if (!user_mode(regs)) return 1; - if (__access_ok(ea, nb, USER_DS)) + if (__access_ok(ea, nb)) return 1; - if (__access_ok(ea, 1, USER_DS)) + if (__access_ok(ea, 1)) /* Access overlaps the end of the user region */ - regs->dar = USER_DS.seg; + regs->dar = TASK_SIZE_MAX - 1; else regs->dar = ea; return 0; -- 2.28.0
next prev parent reply other threads:[~2020-09-03 14:37 UTC|newest] Thread overview: 115+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-09-03 14:22 remove the last set_fs() in common code, and remove it for x86 and powerpc v3 Christoph Hellwig 2020-09-03 14:22 ` Christoph Hellwig 2020-09-03 14:22 ` [PATCH 01/14] proc: remove a level of indentation in proc_get_inode Christoph Hellwig 2020-09-03 14:22 ` Christoph Hellwig 2020-09-03 14:22 ` [PATCH 02/14] proc: cleanup the compat vs no compat file ops Christoph Hellwig 2020-09-03 14:22 ` Christoph Hellwig 2020-09-03 14:22 ` [PATCH 03/14] proc: add a read_iter method to proc proc_ops Christoph Hellwig 2020-09-03 14:22 ` Christoph Hellwig 2020-09-03 14:22 ` [PATCH 04/14] sysctl: Convert to iter interfaces Christoph Hellwig 2020-09-03 14:22 ` Christoph Hellwig 2020-09-03 14:22 ` [PATCH 05/14] fs: don't allow kernel reads and writes without iter ops Christoph Hellwig 2020-09-03 14:22 ` Christoph Hellwig 2020-10-01 22:38 ` Eric Biggers 2020-10-01 22:38 ` Eric Biggers 2020-10-01 22:40 ` Al Viro 2020-10-01 22:40 ` Al Viro 2020-10-02 16:27 ` Linus Torvalds 2020-10-02 16:27 ` Linus Torvalds 2020-10-09 22:06 ` Eric Biggers 2020-10-09 22:06 ` Eric Biggers 2020-10-10 1:03 ` Linus Torvalds 2020-10-10 1:03 ` Linus Torvalds 2020-10-10 1:19 ` Eric Biggers 2020-10-10 1:19 ` Eric Biggers 2020-10-10 1:29 ` Linus Torvalds 2020-10-10 1:29 ` Linus Torvalds 2020-10-10 1:55 ` Alexander Viro 2020-10-10 1:55 ` Alexander Viro 2020-10-14 5:51 ` Christoph Hellwig 2020-10-14 5:51 ` Christoph Hellwig 2020-09-03 14:22 ` [PATCH 06/14] fs: don't allow splice read/write without explicit ops Christoph Hellwig 2020-09-03 14:22 ` Christoph Hellwig 2020-09-03 14:22 ` [PATCH 07/14] uaccess: add infrastructure for kernel builds with set_fs() Christoph Hellwig 2020-09-03 14:22 ` Christoph Hellwig 2020-09-03 14:22 ` [PATCH 08/14] test_bitmap: remove user bitmap tests Christoph Hellwig 2020-09-03 14:22 ` Christoph Hellwig 2020-09-03 14:22 ` [PATCH 09/14] lkdtm: remove set_fs-based tests Christoph Hellwig 2020-09-03 14:22 ` Christoph Hellwig 2020-09-03 14:22 ` [PATCH 10/14] x86: move PAGE_OFFSET, TASK_SIZE & friends to page_{32,64}_types.h Christoph Hellwig 2020-09-03 14:22 ` [PATCH 10/14] x86: move PAGE_OFFSET, TASK_SIZE & friends to page_{32, 64}_types.h Christoph Hellwig 2020-09-03 14:22 ` [PATCH 11/14] x86: make TASK_SIZE_MAX usable from assembly code Christoph Hellwig 2020-09-03 14:22 ` Christoph Hellwig 2020-09-03 14:22 ` [PATCH 12/14] x86: remove address space overrides using set_fs() Christoph Hellwig 2020-09-03 14:22 ` Christoph Hellwig 2020-09-03 21:30 ` David Laight 2020-09-03 21:30 ` David Laight 2020-09-03 23:25 ` Linus Torvalds 2020-09-03 23:25 ` Linus Torvalds 2020-09-04 7:59 ` David Laight 2020-09-04 7:59 ` David Laight 2020-09-04 2:55 ` Al Viro 2020-09-04 2:55 ` Al Viro 2020-09-04 4:41 ` Al Viro 2020-09-04 4:41 ` Al Viro 2020-09-04 6:38 ` Christoph Hellwig 2020-09-04 6:38 ` Christoph Hellwig 2020-09-04 7:47 ` Christoph Hellwig 2020-09-04 7:47 ` Christoph Hellwig 2020-09-03 14:22 ` [PATCH 13/14] powerpc: use non-set_fs based maccess routines Christoph Hellwig 2020-09-03 14:22 ` Christoph Hellwig 2020-09-03 14:22 ` Christoph Hellwig [this message] 2020-09-03 14:22 ` [PATCH 14/14] powerpc: remove address space overrides using set_fs() Christoph Hellwig 2020-09-03 15:43 ` Christophe Leroy 2020-09-03 15:49 ` Christoph Hellwig 2020-09-03 15:49 ` Christoph Hellwig 2020-09-03 15:56 ` Christoph Hellwig 2020-09-03 15:56 ` Christoph Hellwig 2020-09-03 16:03 ` Christophe Leroy 2020-09-03 16:03 ` Christophe Leroy 2020-09-03 14:28 ` remove the last set_fs() in common code, and remove it for x86 and powerpc v3 Al Viro 2020-09-03 14:28 ` Al Viro 2020-09-03 14:30 ` Christoph Hellwig 2020-09-03 14:30 ` Christoph Hellwig 2020-09-03 14:36 ` Al Viro 2020-09-03 14:36 ` Al Viro 2020-09-03 14:40 ` Christoph Hellwig 2020-09-03 14:40 ` Christoph Hellwig 2020-09-09 17:31 ` Linus Torvalds 2020-09-09 17:31 ` Linus Torvalds 2020-09-09 18:40 ` Segher Boessenkool 2020-09-09 18:40 ` Segher Boessenkool 2020-09-09 21:33 ` Linus Torvalds 2020-09-09 21:33 ` Linus Torvalds 2020-09-10 8:04 ` David Laight 2020-09-10 8:04 ` David Laight 2020-09-10 8:13 ` Christophe Leroy 2020-09-10 8:13 ` Christophe Leroy 2020-09-10 9:26 ` David Laight 2020-09-10 9:26 ` David Laight 2020-09-10 12:26 ` David Laight 2020-09-10 12:26 ` David Laight 2020-09-10 15:20 ` Segher Boessenkool 2020-09-10 15:20 ` Segher Boessenkool 2020-09-10 15:31 ` David Laight 2020-09-10 15:31 ` David Laight 2020-09-10 17:15 ` Segher Boessenkool 2020-09-10 17:15 ` Segher Boessenkool 2020-09-10 15:16 ` Segher Boessenkool 2020-09-10 15:16 ` Segher Boessenkool 2020-09-10 15:44 ` Segher Boessenkool 2020-09-10 15:44 ` Segher Boessenkool 2020-09-03 15:49 ` Linus Torvalds 2020-09-03 15:49 ` Linus Torvalds 2020-09-04 6:00 ` Ingo Molnar 2020-09-04 6:00 ` Ingo Molnar 2020-09-04 17:58 ` Alexey Dobriyan 2020-09-04 17:58 ` Alexey Dobriyan 2020-09-04 18:42 ` Linus Torvalds 2020-09-04 18:42 ` Linus Torvalds 2020-09-04 21:01 ` David Laight 2020-09-04 21:01 ` David Laight 2020-09-05 7:16 ` Christophe Leroy 2020-09-05 7:16 ` Christophe Leroy 2020-09-05 10:13 ` David Laight 2020-09-05 10:13 ` David Laight
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=20200903142242.925828-15-hch@lst.de \ --to=hch@lst.de \ --cc=adobriyan@gmail.com \ --cc=keescook@chromium.org \ --cc=linux-arch@vger.kernel.org \ --cc=linux-fsdevel@vger.kernel.org \ --cc=linux-kernel@vger.kernel.org \ --cc=linuxppc-dev@lists.ozlabs.org \ --cc=mcgrof@kernel.org \ --cc=mpe@ellerman.id.au \ --cc=torvalds@linux-foundation.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: linkBe 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.