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authorJens Axboe <jaxboe@fusionio.com>2010-10-19 03:13:04 -0400
committerJens Axboe <jaxboe@fusionio.com>2010-10-19 03:13:04 -0400
commitfa251f89903d73989e2f63e13d0eaed1e07ce0da (patch)
tree3f7fe779941e3b6d67754dd7c44a32f48ea47c74 /arch/powerpc/kernel/time.c
parentdd3932eddf428571762596e17b65f5dc92ca361b (diff)
parentcd07202cc8262e1669edff0d97715f3dd9260917 (diff)
Merge branch 'v2.6.36-rc8' into for-2.6.37/barrier
Conflicts: block/blk-core.c drivers/block/loop.c mm/swapfile.c Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'arch/powerpc/kernel/time.c')
-rw-r--r--arch/powerpc/kernel/time.c23
1 files changed, 11 insertions, 12 deletions
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index ce53dfa7130d..8533b3b83f5d 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -577,20 +577,11 @@ void timer_interrupt(struct pt_regs * regs)
577 * some CPUs will continuue to take decrementer exceptions */ 577 * some CPUs will continuue to take decrementer exceptions */
578 set_dec(DECREMENTER_MAX); 578 set_dec(DECREMENTER_MAX);
579 579
580#ifdef CONFIG_PPC32 580#if defined(CONFIG_PPC32) && defined(CONFIG_PMAC)
581 if (atomic_read(&ppc_n_lost_interrupts) != 0) 581 if (atomic_read(&ppc_n_lost_interrupts) != 0)
582 do_IRQ(regs); 582 do_IRQ(regs);
583#endif 583#endif
584 584
585 now = get_tb_or_rtc();
586 if (now < decrementer->next_tb) {
587 /* not time for this event yet */
588 now = decrementer->next_tb - now;
589 if (now <= DECREMENTER_MAX)
590 set_dec((int)now);
591 trace_timer_interrupt_exit(regs);
592 return;
593 }
594 old_regs = set_irq_regs(regs); 585 old_regs = set_irq_regs(regs);
595 irq_enter(); 586 irq_enter();
596 587
@@ -606,8 +597,16 @@ void timer_interrupt(struct pt_regs * regs)
606 get_lppaca()->int_dword.fields.decr_int = 0; 597 get_lppaca()->int_dword.fields.decr_int = 0;
607#endif 598#endif
608 599
609 if (evt->event_handler) 600 now = get_tb_or_rtc();
610 evt->event_handler(evt); 601 if (now >= decrementer->next_tb) {
602 decrementer->next_tb = ~(u64)0;
603 if (evt->event_handler)
604 evt->event_handler(evt);
605 } else {
606 now = decrementer->next_tb - now;
607 if (now <= DECREMENTER_MAX)
608 set_dec((int)now);
609 }
611 610
612#ifdef CONFIG_PPC_ISERIES 611#ifdef CONFIG_PPC_ISERIES
613 if (firmware_has_feature(FW_FEATURE_ISERIES) && hvlpevent_is_pending()) 612 if (firmware_has_feature(FW_FEATURE_ISERIES) && hvlpevent_is_pending())