cpufreq: intel_pstate: Always read hwp_cap_cached with READ_ONCE()

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Because intel_pstate_get_hwp_max() which updates hwp_cap_cached
may run in parallel with the readers of it, annotate all of the
read accesses to it with READ_ONCE().

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Tested-by: Chen Yu <yu.c.chen@intel.com>

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Rafael J. Wysocki 2021-01-07 19:42:15 +01:00

parent 7c53f6b671

commit 9dd04ec6bc

1 changed files with 7 additions and 6 deletions

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drivers/cpufreq/intel_pstate.c

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