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| author |   Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-12-30 15:57:11 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-12-31 21:48:43 +0100 |
| commit | cad30467963267509d5b0d7d3c9bd1af3b91e720 (patch) | |
| tree | 1401116f7b9bce68c4d4c1140b4648c5dcd1919f /drivers/cpufreq/cpufreq-dt-platdev.c | |
| parent | cpufreq: intel_pstate: Use locking in intel_pstate_resume() (diff) | |
| download | linux-dev-cad30467963267509d5b0d7d3c9bd1af3b91e720.tar.xz linux-dev-cad30467963267509d5b0d7d3c9bd1af3b91e720.zip | |
cpufreq: intel_pstate: Use locking in intel_cpufreq_verify_policy()
Race conditions are possible if intel_cpufreq_verify_policy()
is executed in parallel with global limits updates from sysfs,
so the invocation of intel_pstate_update_perf_limits() in it
should be carried out under intel_pstate_limits_lock.
Make that happen.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Diffstat (limited to '')
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