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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2013-02-04 14:51:49 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2013-02-04 14:51:49 +0000 |
| commit | 2fb20e2e35cd1455d022ab7a553d7f1663ffbdeb (patch) | |
| tree | 4b3bb0f76c15264fe7d4cced91127f3d96ff31f5 /arch/powerpc/kernel/time.c | |
| parent | 9cb543124a2d31af42ce61a4c30765ecc8e5f1fa (diff) | |
| parent | 5b91ab0abc957145c3ff6be03eb9a3901797019f (diff) | |
Merge branch 'for-rmk/broadcast' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into devel-stable
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 6f6b1cccc91..127361e093f 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 |