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x86: Apply the asm_volatile_goto() compiler quirk

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Apply the asm_volatile_goto() compiler quirk to the new rmwcc.h
file as well, introduced in:

   c2daa3bed5 sched, x86: Provide a per-cpu preempt_count implementation

Reported-and-tested-by: Fengguang Wu <fengguang.wu@intel.com>
Reported-by: Oleg Nesterov <oleg@redhat.com>
Reported-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Suggested-by: Jakub Jelinek <jakub@redhat.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar 2013-10-10 10:16:30 +02:00
parent ec0ad3d01f
commit 88f182dd77
1 changed files with 1 additions and 1 deletions
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2
arch/x86/include/asm/rmwcc.h
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@ -5,7 +5,7 @@
#define __GEN_RMWcc(fullop, var, cc, ...) \
do { \
asm volatile goto (fullop "; j" cc " %l[cc_label]" \
asm_volatile_goto (fullop "; j" cc " %l[cc_label]" \
: : "m" (var), ## __VA_ARGS__ \
: "memory" : cc_label); \
return 0; \