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| author | Christoph Lameter <cl@linux-foundation.org> | 2009-10-07 19:17:45 -0400 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2009-10-12 19:51:49 +0900 |
| commit | 9288f99aa52d90a5b82573c4b769c97c55af2f56 (patch) | |
| tree | 34d484799f1d779d7244e373be7cd5d7d2e684af /kernel/trace/trace.h | |
| parent | 494f6a9e12f5137d355d3ce3f5789ef148b642bc (diff) | |
| download | lwn-9288f99aa52d90a5b82573c4b769c97c55af2f56.tar.gz lwn-9288f99aa52d90a5b82573c4b769c97c55af2f56.zip | |
this_cpu: Use this_cpu_xx for ftrace
this_cpu_xx can reduce the instruction count here and also
avoid address arithmetic.
Signed-off-by: Christoph Lameter <cl@linux-foundation.org>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'kernel/trace/trace.h')
| -rw-r--r-- | kernel/trace/trace.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index 405cb850b75d..542f45554883 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -413,7 +413,7 @@ extern int DYN_FTRACE_TEST_NAME(void); extern int ring_buffer_expanded; extern bool tracing_selftest_disabled; -DECLARE_PER_CPU(local_t, ftrace_cpu_disabled); +DECLARE_PER_CPU(int, ftrace_cpu_disabled); #ifdef CONFIG_FTRACE_STARTUP_TEST extern int trace_selftest_startup_function(struct tracer *trace, |