| commit | 0d7fd70f26039bd4b33444ca47f0e69ce3ae0354 | |
| author | Will Deacon <will@kernel.org> | |
| Mon, 29 Jul 2019 10:43:48 +0000 (29 11:43 +0100) | ||
| committer | Will Deacon <will@kernel.org> | |
| Mon, 29 Jul 2019 10:43:48 +0000 (29 11:43 +0100) | ||
| tree | cfc584f40ced0089df6a57ad6ee2bfc4b2bbd1c9 | treesnapshot (tar.gz zip) |
| parent | 849adec41203ac5837c40c2d7e08490ffdef3c2c | commitdiff |
drivers/perf: arm_pmu: Fix failure path in PM notifier
Handling of the CPU_PM_ENTER_FAILED transition in the Arm PMU PM
notifier code incorrectly skips restoration of the counters. Fix the
logic so that CPU_PM_ENTER_FAILED follows the same path as CPU_PM_EXIT.
Cc: <stable@vger.kernel.org>
Fixes: da4e4f18afe0f372 ("drivers/perf: arm_pmu: implement CPU_PM notifier")
Reported-by: Anders Roxell <anders.roxell@linaro.org>
Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>
Handling of the CPU_PM_ENTER_FAILED transition in the Arm PMU PM
notifier code incorrectly skips restoration of the counters. Fix the
logic so that CPU_PM_ENTER_FAILED follows the same path as CPU_PM_EXIT.
Cc: <stable@vger.kernel.org>
Fixes: da4e4f18afe0f372 ("drivers/perf: arm_pmu: implement CPU_PM notifier")
Reported-by: Anders Roxell <anders.roxell@linaro.org>
Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>
| drivers/perf/arm_pmu.c | diffblobblamehistory |