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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-01-18 22:08:55 (GMT) |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-01-18 22:08:55 (GMT) |
| commit | 8888be69adea1d86d694096cb206ef570e2d691a (patch) | |
| tree | ba3fd0c0b7d7dd7c8d7b7afeb56f094b65ebdb66 /arch/powerpc/kernel/smp.c | |
| parent | 1e868d8e6d2c4b8736cdf7a4bd5701e4f527f722 (diff) | |
| parent | 78924577f493c6fa62e2b38356faa542fa7583e6 (diff) | |
| download | linux-fsl-qoriq-8888be69adea1d86d694096cb206ef570e2d691a.tar.xz | |
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
powerpc: Move cpu hotplug driver lock from pseries to powerpc
powerpc: Move /proc/ppc64 to /proc/powerpc update
powerpc/8xx: Fix user space TLB walk in dcbX fixup
powerpc: Fix decrementer setup on 1GHz boards
powerpc/iseries: Initialise on-stack completion
powerpc/hvc: Driver build breaks with !HVC_CONSOLE
serial/pmac_zilog: Workaround problem due to interrupt on closed port
powerpc/macintosh: Make Open Firmware device id constant
powerpc: Use helpers for rlimits
powerpc: cpumask_of_node() should handle -1 as a node
powerpc/pseries: Fix dlpar compile warning without CONFIG_PROC_DEVICETREE
powerpc/pseries: Fix xics interrupt affinity
powerpc/swsusp_32: Fix TLB invalidation
powerpc/8xx: Always pin kernel instruction TLB
powerpc: 2.6.33 update of defconfigs for embedded 6xx/7xxx, 8xx, 8xxx
powerpc: Use scripts/mkuboot.sh instead of 'mkimage'
powerpc/5200: update defconfigs
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 a521fb8..c2ee144 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 |