diff options
Diffstat (limited to 'drivers/idle/intel_idle.c')
| -rw-r--r-- | drivers/idle/intel_idle.c | 15 |
1 files changed, 4 insertions, 11 deletions
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c index 41665d2f9f9..56ac09d6c93 100644 --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -220,9 +220,8 @@ static int intel_idle(struct cpuidle_device *dev, struct cpuidle_state *state) kt_before = ktime_get_real(); stop_critical_timings(); -#ifndef MODULE trace_power_start(POWER_CSTATE, (eax >> 4) + 1, cpu); -#endif + trace_cpu_idle((eax >> 4) + 1, cpu); if (!need_resched()) { __monitor((void *)¤t_thread_info()->flags, 0, 0); @@ -273,8 +272,6 @@ static int intel_idle_probe(void) pr_debug(PREFIX "MWAIT substates: 0x%x\n", mwait_substates); - if (boot_cpu_has(X86_FEATURE_ARAT)) /* Always Reliable APIC Timer */ - lapic_timer_reliable_states = 0xFFFFFFFF; if (boot_cpu_data.x86 != 6) /* family 6 */ return -ENODEV; @@ -286,8 +283,6 @@ static int intel_idle_probe(void) case 0x1F: /* Core i7 and i5 Processor - Nehalem */ case 0x2E: /* Nehalem-EX Xeon */ case 0x2F: /* Westmere-EX Xeon */ - lapic_timer_reliable_states = (1 << 1); /* C1 */ - case 0x25: /* Westmere */ case 0x2C: /* Westmere */ cpuidle_state_table = nehalem_cstates; @@ -295,7 +290,6 @@ static int intel_idle_probe(void) case 0x1C: /* 28 - Atom Processor */ case 0x26: /* 38 - Lincroft Atom Processor */ - lapic_timer_reliable_states = (1 << 1); /* C1 */ cpuidle_state_table = atom_cstates; break; @@ -303,10 +297,6 @@ static int intel_idle_probe(void) case 0x2D: /* SNB Xeon */ cpuidle_state_table = snb_cstates; break; -#ifdef FUTURE_USE - case 0x17: /* 23 - Core 2 Duo */ - lapic_timer_reliable_states = (1 << 2) | (1 << 1); /* C2, C1 */ -#endif default: pr_debug(PREFIX "does not run on family %d model %d\n", @@ -314,6 +304,9 @@ static int intel_idle_probe(void) return -ENODEV; } + if (boot_cpu_has(X86_FEATURE_ARAT)) /* Always Reliable APIC Timer */ + lapic_timer_reliable_states = 0xFFFFFFFF; + pr_debug(PREFIX "v" INTEL_IDLE_VERSION " model 0x%X\n", boot_cpu_data.x86_model); |