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| author | Thomas Gleixner <tglx@linutronix.de> | 2013-01-31 22:17:10 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2013-01-31 22:17:10 +0100 |
| commit | a9037430c6c784165a940a90bcd29f886834c8e7 (patch) | |
| tree | 4b186e0a761e93a6c6712053d444b566c0d25338 /arch/powerpc/kernel/time.c | |
| parent | 6125bc8b86d9da75ddac77e38f41afbf9f5de3e3 (diff) | |
| parent | 12ad10004645d38356b14d1fbba379c523a61916 (diff) | |
Merge branch 'timers/for-arm' into timers/core
Diffstat (limited to 'arch/powerpc/kernel/time.c')
| -rw-r--r-- | arch/powerpc/kernel/time.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index 6f6b1cccc916..127361e093f4 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -494,10 +494,15 @@ void timer_interrupt(struct pt_regs * regs) set_dec(DECREMENTER_MAX); /* Some implementations of hotplug will get timer interrupts while - * offline, just ignore these + * offline, just ignore these and we also need to set + * decrementers_next_tb as MAX to make sure __check_irq_replay + * don't replay timer interrupt when return, otherwise we'll trap + * here infinitely :( */ - if (!cpu_online(smp_processor_id())) + if (!cpu_online(smp_processor_id())) { + *next_tb = ~(u64)0; return; + } /* Conditionally hard-enable interrupts now that the DEC has been * bumped to its maximum value |