aboutsummaryrefslogtreecommitdiffstats
path: root/arch/x86/kernel/process.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/kernel/process.c')
-rw-r--r--arch/x86/kernel/process.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 026819ffcb0c..51126b7c0923 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -180,6 +180,9 @@ void mwait_idle_with_hints(unsigned long ax, unsigned long cx)
180 180
181 trace_power_start(&it, POWER_CSTATE, (ax>>4)+1); 181 trace_power_start(&it, POWER_CSTATE, (ax>>4)+1);
182 if (!need_resched()) { 182 if (!need_resched()) {
183 if (cpu_has(&current_cpu_data, X86_FEATURE_CLFLUSH_MONITOR))
184 clflush((void *)&current_thread_info()->flags);
185
183 __monitor((void *)&current_thread_info()->flags, 0, 0); 186 __monitor((void *)&current_thread_info()->flags, 0, 0);
184 smp_mb(); 187 smp_mb();
185 if (!need_resched()) 188 if (!need_resched())
@@ -194,6 +197,9 @@ static void mwait_idle(void)
194 struct power_trace it; 197 struct power_trace it;
195 if (!need_resched()) { 198 if (!need_resched()) {
196 trace_power_start(&it, POWER_CSTATE, 1); 199 trace_power_start(&it, POWER_CSTATE, 1);
200 if (cpu_has(&current_cpu_data, X86_FEATURE_CLFLUSH_MONITOR))
201 clflush((void *)&current_thread_info()->flags);
202
197 __monitor((void *)&current_thread_info()->flags, 0, 0); 203 __monitor((void *)&current_thread_info()->flags, 0, 0);
198 smp_mb(); 204 smp_mb();
199 if (!need_resched()) 205 if (!need_resched())