ring-buffer: Force rb_end_commit() and rb_set_commit_to_write() inline (38e11df1) · Commits · 戴 / test

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:

kernel/trace/ring_buffer.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -2386,7 +2386,7 @@ static void rb_start_commit(struct ring_buffer_per_cpu *cpu_buffer)
		local_inc(&cpu_buffer->commits);
		}

		static void
		static __always_inline void
		rb_set_commit_to_write(struct ring_buffer_per_cpu *cpu_buffer)
		{
		unsigned long max_count;
		@@ -2441,7 +2441,7 @@ rb_set_commit_to_write(struct ring_buffer_per_cpu *cpu_buffer)
		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;