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Diffstat (limited to 'drivers/idle/intel_idle.c')
-rw-r--r--drivers/idle/intel_idle.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index 92d1206482a6..797ed29a36ea 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -123,7 +123,7 @@ static struct cpuidle_state *cpuidle_state_table;
* which is also the index into the MWAIT hint array.
* Thus C0 is a dummy.
*/
-static struct cpuidle_state nehalem_cstates[] __initdata = {
+static struct cpuidle_state nehalem_cstates[] = {
{
.name = "C1-NHM",
.desc = "MWAIT 0x00",
@@ -156,7 +156,7 @@ static struct cpuidle_state nehalem_cstates[] __initdata = {
.enter = NULL }
};
-static struct cpuidle_state snb_cstates[] __initdata = {
+static struct cpuidle_state snb_cstates[] = {
{
.name = "C1-SNB",
.desc = "MWAIT 0x00",
@@ -196,7 +196,7 @@ static struct cpuidle_state snb_cstates[] __initdata = {
.enter = NULL }
};
-static struct cpuidle_state ivb_cstates[] __initdata = {
+static struct cpuidle_state ivb_cstates[] = {
{
.name = "C1-IVB",
.desc = "MWAIT 0x00",
@@ -236,7 +236,7 @@ static struct cpuidle_state ivb_cstates[] __initdata = {
.enter = NULL }
};
-static struct cpuidle_state hsw_cstates[] __initdata = {
+static struct cpuidle_state hsw_cstates[] = {
{
.name = "C1-HSW",
.desc = "MWAIT 0x00",
@@ -297,7 +297,7 @@ static struct cpuidle_state hsw_cstates[] __initdata = {
.enter = NULL }
};
-static struct cpuidle_state atom_cstates[] __initdata = {
+static struct cpuidle_state atom_cstates[] = {
{
.name = "C1E-ATM",
.desc = "MWAIT 0x00",
@@ -329,7 +329,7 @@ static struct cpuidle_state atom_cstates[] __initdata = {
{
.enter = NULL }
};
-static struct cpuidle_state avn_cstates[] __initdata = {
+static struct cpuidle_state avn_cstates[] = {
{
.name = "C1-AVN",
.desc = "MWAIT 0x00",
@@ -344,6 +344,8 @@ static struct cpuidle_state avn_cstates[] __initdata = {
.exit_latency = 15,
.target_residency = 45,
.enter = &intel_idle },
+ {
+ .enter = NULL }
};
/**
@@ -377,6 +379,9 @@ static int intel_idle(struct cpuidle_device *dev,
if (!current_set_polling_and_test()) {
+ if (this_cpu_has(X86_FEATURE_CLFLUSH_MONITOR))
+ clflush((void *)&current_thread_info()->flags);
+
__monitor((void *)&current_thread_info()->flags, 0, 0);
smp_mb();
if (!need_resched())