diff options
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) | |||
494 | set_dec(DECREMENTER_MAX); | 494 | set_dec(DECREMENTER_MAX); |
495 | 495 | ||
496 | /* Some implementations of hotplug will get timer interrupts while | 496 | /* Some implementations of hotplug will get timer interrupts while |
497 | * offline, just ignore these | 497 | * offline, just ignore these and we also need to set |
498 | * decrementers_next_tb as MAX to make sure __check_irq_replay | ||
499 | * don't replay timer interrupt when return, otherwise we'll trap | ||
500 | * here infinitely :( | ||
498 | */ | 501 | */ |
499 | if (!cpu_online(smp_processor_id())) | 502 | if (!cpu_online(smp_processor_id())) { |
503 | *next_tb = ~(u64)0; | ||
500 | return; | 504 | return; |
505 | } | ||
501 | 506 | ||
502 | /* Conditionally hard-enable interrupts now that the DEC has been | 507 | /* Conditionally hard-enable interrupts now that the DEC has been |
503 | * bumped to its maximum value | 508 | * bumped to its maximum value |