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[PATCH] x86_64: Remove bogus RED-PEN comment in signal.c 

No red zone possible/needed on the alternative stack.

It caused confusion.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Andi Kleen 2006-06-26 13:59:08 +02:00 committed by Linus Torvalds
parent 8fa3d6fc5e
commit d9005b52de
1 changed files with 0 additions and 1 deletions
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arch/x86_64/kernel/signal.c
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@ -237,7 +237,6 @@ get_stack(struct k_sigaction *ka, struct pt_regs *regs, unsigned long size)
rsp = regs->rsp - 128;
/* This is the X/Open sanctioned signal stack switching. */
/* RED-PEN: redzone on that stack? */
if (ka->sa.sa_flags & SA_ONSTACK) {
if (sas_ss_flags(rsp) == 0)
rsp = current->sas_ss_sp + current->sas_ss_size;