Andy Lutomirski e54fdcca70 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 9a036b93a3 ("x86/signal/64: Remove 'fs' and 'gs' from sigcontext"), which was reverted by ed596cde94 ("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>		2016-02-17 08:32:11 +01:00
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asm	x86/signal/64: Add a comment about sigcontext->fs and gs	2016-02-17 08:32:11 +01:00