diff options
author | Ingo Molnar <mingo@kernel.org> | 2014-01-13 17:37:05 +0100 |
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committer | Ingo Molnar <mingo@kernel.org> | 2014-01-13 17:37:05 +0100 |
commit | c9c8986847d2f4fc474c10ee08afa57e7474096d (patch) | |
tree | b4ae6347b710fed25619df7ff9ce009e74f7ada7 /drivers | |
parent | 0bd3a173d711857fc9f583eb5825386cc08f3948 (diff) | |
parent | 7d590cca7cd2cce4ed7c47d221d6f90566653ba8 (diff) |
Merge branch 'x86/idle' into sched/core
Merge these x86 specific bits - we are going to add generic bits as well.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/acpi/acpi_pad.c | 5 | ||||
-rw-r--r-- | drivers/acpi/processor_idle.c | 15 | ||||
-rw-r--r-- | drivers/idle/intel_idle.c | 11 | ||||
-rw-r--r-- | drivers/thermal/intel_powerclamp.c | 4 |
4 files changed, 3 insertions, 32 deletions
diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c index fc6008fbce3..509452a62f9 100644 --- a/drivers/acpi/acpi_pad.c +++ b/drivers/acpi/acpi_pad.c @@ -193,10 +193,7 @@ static int power_saving_thread(void *data) CLOCK_EVT_NOTIFY_BROADCAST_ENTER, &cpu); stop_critical_timings(); - __monitor((void *)¤t_thread_info()->flags, 0, 0); - smp_mb(); - if (!need_resched()) - __mwait(power_saving_mwait_eax, 1); + mwait_idle_with_hints(power_saving_mwait_eax, 1); start_critical_timings(); if (lapic_marked_unstable) diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 644516d9bde..f90c56c8379 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -727,11 +727,6 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev, if (unlikely(!pr)) return -EINVAL; - if (cx->entry_method == ACPI_CSTATE_FFH) { - if (current_set_polling_and_test()) - return -EINVAL; - } - lapic_timer_state_broadcast(pr, cx, 1); acpi_idle_do_entry(cx); @@ -785,11 +780,6 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev, if (unlikely(!pr)) return -EINVAL; - if (cx->entry_method == ACPI_CSTATE_FFH) { - if (current_set_polling_and_test()) - return -EINVAL; - } - /* * Must be done before busmaster disable as we might need to * access HPET ! @@ -841,11 +831,6 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev, } } - if (cx->entry_method == ACPI_CSTATE_FFH) { - if (current_set_polling_and_test()) - return -EINVAL; - } - acpi_unlazy_tlb(smp_processor_id()); /* Tell the scheduler that we are going deep-idle: */ diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c index 797ed29a36e..6c0e0452dd9 100644 --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -377,16 +377,7 @@ static int intel_idle(struct cpuidle_device *dev, if (!(lapic_timer_reliable_states & (1 << (cstate)))) clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ENTER, &cpu); - if (!current_set_polling_and_test()) { - - if (this_cpu_has(X86_FEATURE_CLFLUSH_MONITOR)) - clflush((void *)¤t_thread_info()->flags); - - __monitor((void *)¤t_thread_info()->flags, 0, 0); - smp_mb(); - if (!need_resched()) - __mwait(eax, ecx); - } + mwait_idle_with_hints(eax, ecx); if (!(lapic_timer_reliable_states & (1 << (cstate)))) clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_EXIT, &cpu); diff --git a/drivers/thermal/intel_powerclamp.c b/drivers/thermal/intel_powerclamp.c index 8f181b3f842..e8275f2df9a 100644 --- a/drivers/thermal/intel_powerclamp.c +++ b/drivers/thermal/intel_powerclamp.c @@ -438,9 +438,7 @@ static int clamp_thread(void *arg) */ local_touch_nmi(); stop_critical_timings(); - __monitor((void *)¤t_thread_info()->flags, 0, 0); - cpu_relax(); /* allow HT sibling to run */ - __mwait(eax, ecx); + mwait_idle_with_hints(eax, ecx); start_critical_timings(); atomic_inc(&idle_wakeup_counter); } |