The clockevents code uses max_delta_ns to avoid calling a clockevent with too large a value.
Remove the redundant version of this in the timer_interrupt code. Signed-off-by: Anton Blanchard <[email protected]> --- Index: linux-build/arch/powerpc/kernel/time.c =================================================================== --- linux-build.orig/arch/powerpc/kernel/time.c 2011-11-17 10:12:28.891690395 +1100 +++ linux-build/arch/powerpc/kernel/time.c 2011-11-17 10:13:54.241143987 +1100 @@ -572,7 +572,6 @@ void timer_interrupt(struct pt_regs * re struct pt_regs *old_regs; struct decrementer_clock *decrementer = &__get_cpu_var(decrementers); struct clock_event_device *evt = &decrementer->event; - u64 now; /* Ensure a positive value is written to the decrementer, or else * some CPUs will continue to take decrementer exceptions. @@ -607,16 +606,9 @@ void timer_interrupt(struct pt_regs * re get_lppaca()->int_dword.fields.decr_int = 0; #endif - now = get_tb_or_rtc(); - if (now >= decrementer->next_tb) { - decrementer->next_tb = ~(u64)0; - if (evt->event_handler) - evt->event_handler(evt); - } else { - now = decrementer->next_tb - now; - if (now <= DECREMENTER_MAX) - set_dec((int)now); - } + decrementer->next_tb = ~(u64)0; + if (evt->event_handler) + evt->event_handler(evt); #ifdef CONFIG_PPC_ISERIES if (firmware_has_feature(FW_FEATURE_ISERIES) && hvlpevent_is_pending()) _______________________________________________ Linuxppc-dev mailing list [email protected] https://lists.ozlabs.org/listinfo/linuxppc-dev
