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ring-buffer: Force rb_end_commit() and rb_set_commit_to_write() inline 

Both rb_end_commit() and rb_set_commit_to_write() are in the fast path of
the ring buffer recording. Make sure they are always inlined.

Link: http://lkml.kernel.org/r/20161121183700.GW26852@two.firstfloor.org

Reported-by: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Steven Rostedt (Red Hat) 2016-11-23 20:42:31 -05:00 committed by Steven Rostedt
parent babe3fce95
commit 38e11df134
1 changed files with 2 additions and 2 deletions
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4
kernel/trace/ring_buffer.c
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@ -2386,7 +2386,7 @@ static void rb_start_commit(struct ring_buffer_per_cpu *cpu_buffer)
local_inc(&cpu_buffer->commits); local_inc(&cpu_buffer->commits);
} }
static void static __always_inline void
rb_set_commit_to_write(struct ring_buffer_per_cpu *cpu_buffer) rb_set_commit_to_write(struct ring_buffer_per_cpu *cpu_buffer)
{ {
unsigned long max_count; unsigned long max_count;
@ -2441,7 +2441,7 @@ rb_set_commit_to_write(struct ring_buffer_per_cpu *cpu_buffer)
goto again; goto again;
} }
static inline void rb_end_commit(struct ring_buffer_per_cpu *cpu_buffer) static __always_inline void rb_end_commit(struct ring_buffer_per_cpu *cpu_buffer)
{ {
unsigned long commits; unsigned long commits;