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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;
123 * which is also the index into the MWAIT hint array. 123 * which is also the index into the MWAIT hint array.
124 * Thus C0 is a dummy. 124 * Thus C0 is a dummy.
125 */ 125 */
126static struct cpuidle_state nehalem_cstates[] __initdata = { 126static struct cpuidle_state nehalem_cstates[] = {
127 { 127 {
128 .name = "C1-NHM", 128 .name = "C1-NHM",
129 .desc = "MWAIT 0x00", 129 .desc = "MWAIT 0x00",
@@ -156,7 +156,7 @@ static struct cpuidle_state nehalem_cstates[] __initdata = {
156 .enter = NULL } 156 .enter = NULL }
157}; 157};
158 158
159static struct cpuidle_state snb_cstates[] __initdata = { 159static struct cpuidle_state snb_cstates[] = {
160 { 160 {
161 .name = "C1-SNB", 161 .name = "C1-SNB",
162 .desc = "MWAIT 0x00", 162 .desc = "MWAIT 0x00",
@@ -196,7 +196,7 @@ static struct cpuidle_state snb_cstates[] __initdata = {
196 .enter = NULL } 196 .enter = NULL }
197}; 197};
198 198
199static struct cpuidle_state ivb_cstates[] __initdata = { 199static struct cpuidle_state ivb_cstates[] = {
200 { 200 {
201 .name = "C1-IVB", 201 .name = "C1-IVB",
202 .desc = "MWAIT 0x00", 202 .desc = "MWAIT 0x00",
@@ -236,7 +236,7 @@ static struct cpuidle_state ivb_cstates[] __initdata = {
236 .enter = NULL } 236 .enter = NULL }
237}; 237};
238 238
239static struct cpuidle_state hsw_cstates[] __initdata = { 239static struct cpuidle_state hsw_cstates[] = {
240 { 240 {
241 .name = "C1-HSW", 241 .name = "C1-HSW",
242 .desc = "MWAIT 0x00", 242 .desc = "MWAIT 0x00",
@@ -297,7 +297,7 @@ static struct cpuidle_state hsw_cstates[] __initdata = {
297 .enter = NULL } 297 .enter = NULL }
298}; 298};
299 299
300static struct cpuidle_state atom_cstates[] __initdata = { 300static struct cpuidle_state atom_cstates[] = {
301 { 301 {
302 .name = "C1E-ATM", 302 .name = "C1E-ATM",
303 .desc = "MWAIT 0x00", 303 .desc = "MWAIT 0x00",
@@ -329,7 +329,7 @@ static struct cpuidle_state atom_cstates[] __initdata = {
329 { 329 {
330 .enter = NULL } 330 .enter = NULL }
331}; 331};
332static struct cpuidle_state avn_cstates[] __initdata = { 332static struct cpuidle_state avn_cstates[] = {
333 { 333 {
334 .name = "C1-AVN", 334 .name = "C1-AVN",
335 .desc = "MWAIT 0x00", 335 .desc = "MWAIT 0x00",
@@ -344,6 +344,8 @@ static struct cpuidle_state avn_cstates[] __initdata = {
344 .exit_latency = 15, 344 .exit_latency = 15,
345 .target_residency = 45, 345 .target_residency = 45,
346 .enter = &intel_idle }, 346 .enter = &intel_idle },
347 {
348 .enter = NULL }
347}; 349};
348 350
349/** 351/**
@@ -377,6 +379,9 @@ static int intel_idle(struct cpuidle_device *dev,
377 379
378 if (!current_set_polling_and_test()) { 380 if (!current_set_polling_and_test()) {
379 381
382 if (this_cpu_has(X86_FEATURE_CLFLUSH_MONITOR))
383 clflush((void *)&current_thread_info()->flags);
384
380 __monitor((void *)&current_thread_info()->flags, 0, 0); 385 __monitor((void *)&current_thread_info()->flags, 0, 0);
381 smp_mb(); 386 smp_mb();
382 if (!need_resched()) 387 if (!need_resched())