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Diffstat (limited to 'drivers/idle/intel_idle.c')
-rw-r--r--drivers/idle/intel_idle.c26
1 files changed, 22 insertions, 4 deletions
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index 5d667501386..fa6964d8681 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -71,7 +71,6 @@
static struct cpuidle_driver intel_idle_driver = {
.name = "intel_idle",
.owner = THIS_MODULE,
- .en_core_tk_irqen = 1,
};
/* intel_idle.max_cstate=0 disables driver */
static int max_cstate = CPUIDLE_STATE_MAX - 1;
@@ -274,6 +273,27 @@ static struct cpuidle_state hsw_cstates[CPUIDLE_STATE_MAX] = {
.target_residency = 500,
.enter = &intel_idle },
{
+ .name = "C8-HSW",
+ .desc = "MWAIT 0x40",
+ .flags = MWAIT2flg(0x40) | CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
+ .exit_latency = 300,
+ .target_residency = 900,
+ .enter = &intel_idle },
+ {
+ .name = "C9-HSW",
+ .desc = "MWAIT 0x50",
+ .flags = MWAIT2flg(0x50) | CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
+ .exit_latency = 600,
+ .target_residency = 1800,
+ .enter = &intel_idle },
+ {
+ .name = "C10-HSW",
+ .desc = "MWAIT 0x60",
+ .flags = MWAIT2flg(0x60) | CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
+ .exit_latency = 2600,
+ .target_residency = 7700,
+ .enter = &intel_idle },
+ {
.enter = NULL }
};
@@ -339,7 +359,6 @@ static int intel_idle(struct cpuidle_device *dev,
if (!(lapic_timer_reliable_states & (1 << (cstate))))
clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ENTER, &cpu);
- stop_critical_timings();
if (!need_resched()) {
__monitor((void *)&current_thread_info()->flags, 0, 0);
@@ -348,8 +367,6 @@ static int intel_idle(struct cpuidle_device *dev,
__mwait(eax, ecx);
}
- start_critical_timings();
-
if (!(lapic_timer_reliable_states & (1 << (cstate))))
clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_EXIT, &cpu);
@@ -465,6 +482,7 @@ static const struct x86_cpu_id intel_idle_ids[] = {
ICPU(0x3c, idle_cpu_hsw),
ICPU(0x3f, idle_cpu_hsw),
ICPU(0x45, idle_cpu_hsw),
+ ICPU(0x46, idle_cpu_hsw),
{}
};
MODULE_DEVICE_TABLE(x86cpu, intel_idle_ids);