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authorPeter Zijlstra <peterz@infradead.org>2013-08-14 14:55:24 +0200
committerIngo Molnar <mingo@kernel.org>2013-09-25 14:07:32 +0200
commit4a2b4b222743bb07fedf985b884550f2ca067ea9 (patch)
tree587e80512c6cdf727b27d0f806758833547a65ed /lib/smp_processor_id.c
parentea8117478918a4734586d35ff530721b682425be (diff)
downloadlinux-4a2b4b222743bb07fedf985b884550f2ca067ea9.tar.gz
sched: Introduce preempt_count accessor functions
Replace the single preempt_count() 'function' that's an lvalue with two proper functions: preempt_count() - returns the preempt_count value as rvalue preempt_count_set() - Allows setting the preempt-count value Also provide preempt_count_ptr() as a convenience wrapper to implement all modifying operations. Signed-off-by: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/n/tip-orxrbycjozopqfhb4dxdkdvb@git.kernel.org [ Fixed build failure. ] Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'lib/smp_processor_id.c')
-rw-r--r--lib/smp_processor_id.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/lib/smp_processor_id.c b/lib/smp_processor_id.c
index 4c0d0e51d49e..04abe53f12a1 100644
--- a/lib/smp_processor_id.c
+++ b/lib/smp_processor_id.c
@@ -9,10 +9,9 @@
notrace unsigned int debug_smp_processor_id(void)
{
- unsigned long preempt_count = preempt_count();
int this_cpu = raw_smp_processor_id();
- if (likely(preempt_count))
+ if (likely(preempt_count()))
goto out;
if (irqs_disabled())