From c1d81c39854976fde64a4fb057dd8cba12c25378 Mon Sep 17 00:00:00 2001 From: Jaswinder Singh Rajput Date: Sat, 27 Dec 2008 19:15:43 +0530 Subject: [PATCH] --- yaml --- r: 147183 b: refs/heads/master c: 2b583d8bc8d7105b58d7481a4a0ceb718dac49c6 h: refs/heads/master i: 147181: 327a5376a5eff9c63192c371120fa046c5f25dde 147179: 463cbbe7d06fdd7c3c0fecbb98201a4e772cc1bf 147175: d2631f2024d654eba48f38570da5cedee564e74b 147167: 7ddc48aa6c282a95fa48a20fb14697d3e129de29 v: v3 --- [refs] | 2 +- trunk/arch/x86/kernel/cpu/perf_counter.c | 24 +++++++----------------- 2 files changed, 8 insertions(+), 18 deletions(-) diff --git a/[refs] b/[refs] index 65c1c097eec0..f2f3ecc45f33 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 01ea1ccaa24dea3552e103be13b7897211607a8b +refs/heads/master: 2b583d8bc8d7105b58d7481a4a0ceb718dac49c6 diff --git a/trunk/arch/x86/kernel/cpu/perf_counter.c b/trunk/arch/x86/kernel/cpu/perf_counter.c index da46eca12543..9376771f757b 100644 --- a/trunk/arch/x86/kernel/cpu/perf_counter.c +++ b/trunk/arch/x86/kernel/cpu/perf_counter.c @@ -150,14 +150,6 @@ static int __hw_perf_counter_init(struct perf_counter *counter) return 0; } -void hw_perf_enable_all(void) -{ - if (unlikely(!perf_counters_initialized)) - return; - - wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, perf_counter_mask); -} - u64 hw_perf_save_disable(void) { u64 ctrl; @@ -200,12 +192,10 @@ static inline void __pmc_generic_disable(struct perf_counter *counter, struct hw_perf_counter *hwc, unsigned int idx) { - int err; - if (unlikely(hwc->config_base == MSR_ARCH_PERFMON_FIXED_CTR_CTRL)) - return __pmc_fixed_disable(counter, hwc, idx); - - err = wrmsr_safe(hwc->config_base + idx, hwc->config, 0); + __pmc_fixed_disable(counter, hwc, idx); + else + wrmsr_safe(hwc->config_base + idx, hwc->config, 0); } static DEFINE_PER_CPU(u64, prev_left[X86_PMC_IDX_MAX]); @@ -276,10 +266,10 @@ __pmc_generic_enable(struct perf_counter *counter, struct hw_perf_counter *hwc, int idx) { if (unlikely(hwc->config_base == MSR_ARCH_PERFMON_FIXED_CTR_CTRL)) - return __pmc_fixed_enable(counter, hwc, idx); - - wrmsr(hwc->config_base + idx, - hwc->config | ARCH_PERFMON_EVENTSEL0_ENABLE, 0); + __pmc_fixed_enable(counter, hwc, idx); + else + wrmsr(hwc->config_base + idx, + hwc->config | ARCH_PERFMON_EVENTSEL0_ENABLE, 0); } static int