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(parent: caf2c64) | patch
tools/power x86_energy_perf_policy: Enhance HWP enable
authorLen Brown <len.brown@intel.com>
Fri, 19 Sep 2025 18:07:02 +0000 (14:07 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 3 Dec 2025 11:45:08 +0000 (12:45 +0100)
commit3c37caffe38194283c44e60925e82e2b350f8007
tree926353b93b6f13dc1c9e0249c6100a6272749e6dtree | snapshot
parentcaf2c648edd6e9f3e9e40f6baf9d18488eae69a5commit | diff
tools/power x86_energy_perf_policy: Enhance HWP enable

[ Upstream commit c97c057d357c4b39b153e9e430bbf8976e05bd4e ]

On enabling HWP, preserve the reserved bits in MSR_PM_ENABLE.

Also, skip writing the MSR_PM_ENABLE if HWP is already enabled.

Signed-off-by: Len Brown <len.brown@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
tools/power/x86/x86_energy_perf_policy/x86_energy_perf_policy.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git