diff options
| author | Paul Mundt <lethal@linux-sh.org> | 2010-02-02 11:33:45 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2010-02-02 11:33:45 +0900 |
| commit | 9d3f1881abeae0494a27716b08fcf2d3264bb0fa (patch) | |
| tree | f457dd2d35af29bc831b93865efa47229d0b9bee /arch/powerpc/kernel/smp.c | |
| parent | b6c58b1d987a5795086c5c2babd8c7367d2fdb8c (diff) | |
| parent | bc10e875d4aeaa93a0d418d8b4346b72f5067ea0 (diff) | |
Merge branch 'sh/stable-updates'
Diffstat (limited to 'arch/powerpc/kernel/smp.c')
| -rw-r--r-- | arch/powerpc/kernel/smp.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c index a521fb8a40e..c2ee1449807 100644 --- a/arch/powerpc/kernel/smp.c +++ b/arch/powerpc/kernel/smp.c @@ -619,4 +619,16 @@ void __cpu_die(unsigned int cpu) if (smp_ops->cpu_die) smp_ops->cpu_die(cpu); } + +static DEFINE_MUTEX(powerpc_cpu_hotplug_driver_mutex); + +void cpu_hotplug_driver_lock() +{ + mutex_lock(&powerpc_cpu_hotplug_driver_mutex); +} + +void cpu_hotplug_driver_unlock() +{ + mutex_unlock(&powerpc_cpu_hotplug_driver_mutex); +} #endif |