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SubjectRe: [PATCH 1/2] [x86] arch/x86/kernel/signal_32.c: replace !likely(x) by likely(!x)
Roel Kluin wrote:
> Roel Kluin wrote:
>> Replace !likely(x) by likely(!x)

> sorry, please ignore this patch

The patch below shouldn't change semantics.
---
replace !likely(x) by unlikely(!x)

Signed-off-by: Roel Kluin <12o3l@tiscali.nl>
---
diff --git a/arch/x86/kernel/signal_32.c b/arch/x86/kernel/signal_32.c
index caee1f0..c0fb075 100644
--- a/arch/x86/kernel/signal_32.c
+++ b/arch/x86/kernel/signal_32.c
@@ -303,7 +303,7 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs * regs, size_t frame_size)
* If we are on the alternate signal stack and would overflow it, don't.
* Return an always-bogus address instead so we will die with SIGSEGV.
*/
- if (on_sig_stack(sp) && !likely(on_sig_stack(sp - frame_size)))
+ if (on_sig_stack(sp) && unlikely(!on_sig_stack(sp - frame_size)))
return (void __user *) -1L;

/* This is the X/Open sanctioned signal stack switching. */

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