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authorIngo Molnar <mingo@kernel.org>2013-10-15 07:05:06 +0200
committerIngo Molnar <mingo@kernel.org>2013-10-15 07:05:18 +0200
commit426ee9e3bbc478ed9c0a079a4270f6095f0eb975 (patch)
treed8f295e2e516a61b2ab8ccb49f5b1d9fb67979bd /drivers/cpufreq/intel_pstate.c
parentb7af41a1bc255c0098c37a4bcf5c7e5e168ce875 (diff)
parent61e6cfa80de5760bbe406f4e815b7739205754d2 (diff)
Merge tag 'v3.12-rc5' into perf/core
Merge Linux v3.12-rc5, to pick up the latest fixes. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/cpufreq/intel_pstate.c')
-rw-r--r--drivers/cpufreq/intel_pstate.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index 9733f29ed14..32b3479a240 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -394,7 +394,10 @@ static void intel_pstate_set_pstate(struct cpudata *cpu, int pstate)
trace_cpu_frequency(pstate * 100000, cpu->cpu);
cpu->pstate.current_pstate = pstate;
- wrmsrl(MSR_IA32_PERF_CTL, pstate << 8);
+ if (limits.no_turbo)
+ wrmsrl(MSR_IA32_PERF_CTL, BIT(32) | (pstate << 8));
+ else
+ wrmsrl(MSR_IA32_PERF_CTL, pstate << 8);
}