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| author | Jiri Kosina <jkosina@suse.cz> | 2010-02-02 23:10:39 +0100 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2010-02-02 23:10:39 +0100 |
| commit | e1a0bdd8022317e98650e70850de73eccfcde5ad (patch) | |
| tree | 462f63307118b95c8cbacee6954e4d09ee85b8d1 /arch/powerpc/kernel/smp.c | |
| parent | 8127f4e883666c9960cfa89cffd36313748f8bab (diff) | |
| parent | 1a45dcfe2525e9432cb4aba461d4994fc2befe42 (diff) | |
| download | kernel-crypto-e1a0bdd8022317e98650e70850de73eccfcde5ad.tar.gz kernel-crypto-e1a0bdd8022317e98650e70850de73eccfcde5ad.tar.xz kernel-crypto-e1a0bdd8022317e98650e70850de73eccfcde5ad.zip | |
Merge branch 'master' into upstream
Conflicts:
drivers/hid/hid-ids.h
Diffstat (limited to 'arch/powerpc/kernel/smp.c')
| -rw-r--r-- | arch/powerpc/kernel/smp.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c index 9b86a74d281..c2ee1449807 100644 --- a/arch/powerpc/kernel/smp.c +++ b/arch/powerpc/kernel/smp.c @@ -218,6 +218,9 @@ void crash_send_ipi(void (*crash_ipi_callback)(struct pt_regs *)) static void stop_this_cpu(void *dummy) { + /* Remove this CPU */ + set_cpu_online(smp_processor_id(), false); + local_irq_disable(); while (1) ; @@ -232,7 +235,7 @@ struct thread_info *current_set[NR_CPUS]; static void __devinit smp_store_cpu_info(int id) { - per_cpu(pvr, id) = mfspr(SPRN_PVR); + per_cpu(cpu_pvr, id) = mfspr(SPRN_PVR); } static void __init smp_create_idle(unsigned int cpu) @@ -616,4 +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 |