[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH 2/3] xen: don't initialize the RTC timers if xen is available
From: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx> Xen doesn't need full RTC emulation in Qemu because the RTC is already emulated by the hypervisor. Hence don't initialize the RTC timers when Xen is available so that Qemu doesn't need to wake up needlessly. Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx> --- hw/mc146818rtc.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/hw/mc146818rtc.c b/hw/mc146818rtc.c index cb3f56b..253b680 100644 --- a/hw/mc146818rtc.c +++ b/hw/mc146818rtc.c @@ -542,6 +542,7 @@ RTCState *rtc_init(int base, qemu_irq irq, int base_year) s->base_year = base_year; rtc_set_date_from_host(s); +#ifndef CONFIG_DM s->periodic_timer = qemu_new_timer(vm_clock, rtc_periodic_timer, s); s->second_timer = qemu_new_timer(vm_clock, @@ -551,6 +552,7 @@ RTCState *rtc_init(int base, qemu_irq irq, int base_year) s->next_second_time = qemu_get_clock(vm_clock) + (ticks_per_sec * 99) / 100; qemu_mod_timer(s->second_timer2, s->next_second_time); +#endif register_ioport_write(base, 2, 1, cmos_ioport_write, s); register_ioport_read(base, 2, 1, cmos_ioport_read, s); -- 1.7.2.5 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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