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| author | Andy Lutomirski <luto@kernel.org> | 2016-02-17 00:09:01 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-02-17 08:32:11 +0100 |
| commit | e54fdcca70a33a7e447e526b305db85e978c0563 (patch) | |
| tree | 9613dfb3f480eab18dfe891df20f20e43d2855e1 /arch/x86/kernel/signal.c | |
| parent | x86/cpufeature: Speed up cpu_feature_enabled() (diff) | |
| download | linux-e54fdcca70a33a7e447e526b305db85e978c0563.tar.xz linux-e54fdcca70a33a7e447e526b305db85e978c0563.zip | |
x86/signal/64: Add a comment about sigcontext->fs and gs
These fields have a strange history. This tries to document it.
This borrows from 9a036b93a344 ("x86/signal/64: Remove 'fs' and 'gs'
from sigcontext"), which was reverted by ed596cde9425 ("Revert x86
sigcontext cleanups").
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Acked-by: Borislav Petkov <bp@alien8.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Pavel Emelyanov <xemul@parallels.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stas Sergeev <stsp@list.ru>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/baa78f3c84106fa5acbc319377b1850602f5deec.1455664054.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/signal.c')
0 files changed, 0 insertions, 0 deletions