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| author | Dave Airlie <airlied@redhat.com> | 2015-04-20 11:32:26 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2015-04-20 13:05:20 +1000 |
| commit | 2c33ce009ca2389dbf0535d0672214d09738e35e (patch) | |
| tree | 6186a6458c3c160385d794a23eaf07c786a9e61b /kernel/sched/idle.c | |
| parent | cec32a47010647e8b0603726ebb75b990a4057a4 (diff) | |
| parent | 09d51602cf84a1264946711dd4ea0dddbac599a1 (diff) | |
| download | linux-stable-2c33ce009ca2389dbf0535d0672214d09738e35e.tar.gz linux-stable-2c33ce009ca2389dbf0535d0672214d09738e35e.tar.bz2 linux-stable-2c33ce009ca2389dbf0535d0672214d09738e35e.zip | |
Merge Linus master into drm-next
The merge is clean, but the arm build fails afterwards,
due to API changes in the regulator tree.
I've included the patch into the merge to fix the build.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'kernel/sched/idle.c')
| -rw-r--r-- | kernel/sched/idle.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/kernel/sched/idle.c b/kernel/sched/idle.c index 80014a178342..deef1caa94c6 100644 --- a/kernel/sched/idle.c +++ b/kernel/sched/idle.c @@ -158,8 +158,7 @@ static void cpuidle_idle_call(void) * is used from another cpu as a broadcast timer, this call may * fail if it is not available */ - if (broadcast && - clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ENTER, &dev->cpu)) + if (broadcast && tick_broadcast_enter()) goto use_default; /* Take note of the planned idle state. */ @@ -176,7 +175,7 @@ static void cpuidle_idle_call(void) idle_set_state(this_rq(), NULL); if (broadcast) - clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_EXIT, &dev->cpu); + tick_broadcast_exit(); /* * Give the governor an opportunity to reflect on the outcome @@ -210,6 +209,8 @@ use_default: goto exit_idle; } +DEFINE_PER_CPU(bool, cpu_dead_idle); + /* * Generic idle loop implementation * @@ -234,8 +235,13 @@ static void cpu_idle_loop(void) check_pgt_cache(); rmb(); - if (cpu_is_offline(smp_processor_id())) + if (cpu_is_offline(smp_processor_id())) { + rcu_cpu_notify(NULL, CPU_DYING_IDLE, + (void *)(long)smp_processor_id()); + smp_mb(); /* all activity before dead. */ + this_cpu_write(cpu_dead_idle, true); arch_cpu_idle_dead(); + } local_irq_disable(); arch_cpu_idle_enter(); |