From 5a2cb154e11490e5ba05975c7a537d0bafb12bba Mon Sep 17 00:00:00 2001 From: Arjan van de Ven Date: Sun, 22 Jan 2017 18:51:13 +0000 Subject: [PATCH 122/126] tweak perfbias --- arch/x86/kernel/cpu/intel.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c index b720dacac051..c01bb1632cbf 100644 --- a/arch/x86/kernel/cpu/intel.c +++ b/arch/x86/kernel/cpu/intel.c @@ -467,12 +467,12 @@ static void init_intel_energy_perf(struct cpuinfo_x86 *c) return; rdmsrl(MSR_IA32_ENERGY_PERF_BIAS, epb); - if ((epb & 0xF) != ENERGY_PERF_BIAS_PERFORMANCE) + if ((epb & 0xF) >= ENERGY_PERF_BIAS_NORMAL) return; - pr_warn_once("ENERGY_PERF_BIAS: Set to 'normal', was 'performance'\n"); + pr_warn_once("ENERGY_PERF_BIAS: Set to 'performance', was 'normal'\n"); pr_warn_once("ENERGY_PERF_BIAS: View and update with x86_energy_perf_policy(8)\n"); - epb = (epb & ~0xF) | ENERGY_PERF_BIAS_NORMAL; + epb = (epb & ~0xF) | ENERGY_PERF_BIAS_PERFORMANCE; wrmsrl(MSR_IA32_ENERGY_PERF_BIAS, epb); } -- 2.15.0