[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>
diff --git a/arch/x86_64/kernel/signal.c b/arch/x86_64/kernel/signal.c
index 94b4b11..2816117 100644
--- a/arch/x86_64/kernel/signal.c
+++ b/arch/x86_64/kernel/signal.c
@@ -237,7 +237,6 @@
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;