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| author | Lan Tianyu <tianyu.lan@intel.com> | 2013-09-11 15:05:05 +0800 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-09-11 23:30:03 +0200 |
| commit | 44871c9c7f7963f8869dd8bc9620221c9e9db153 (patch) | |
| tree | 06492eef7e60052d1a55f124b69f88727dbdbda1 /tools/perf/scripts/python | |
| parent | cpufreq: Prevent problems in update_policy_cpu() if last_cpu == new_cpu (diff) | |
| download | linux-44871c9c7f7963f8869dd8bc9620221c9e9db153.tar.gz linux-44871c9c7f7963f8869dd8bc9620221c9e9db153.zip | |
cpufreq: Acquire the lock in cpufreq_policy_restore() for reading
In cpufreq_policy_restore() before system suspend policy is read from
percpu's cpufreq_cpu_data_fallback. It's a read operation rather
than a write one, so take the lock for reading in there.
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Reviewed-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions