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From: Paolo Bonzini <pbonzini@redhat.com>
To: Lb peace <peaceustc@gmail.com>, qemu-devel@nongnu.org
Cc: stefanha@redhat.com, alex@alex.org.uk
Subject: Re: [Qemu-devel] [PATCH]Fix a error in mc146818rtc.c
Date: Wed, 02 Jul 2014 11:41:25 +0200	[thread overview]
Message-ID: <53B3D3C5.8040902@redhat.com> (raw)
In-Reply-To: <CANycmrqXg-W8ZJEii4fTod8MzkyE77bTGovOX0G5eVTCnV-vmg@mail.gmail.com>

Il 30/06/2014 21:53, Lb peace ha scritto:
> If you use hwclock in guest os ,you will find the result of hwclock
> isn't changed after changing host os's clock.
> I find this issue is generated in this patch:
>
> http://lists.gnu.org/archive/html/qemu-devel/2013-08/msg03353.html
> Before this patch,the result will be changed if you change host's clock.
> It makes use of the following codes in qemu-timer.c:
>         if (now < last) {
>             notifier_list_notify(&clock->reset_notifiers, &now);
>         }
> It is useless if you register a QEMU_CLOCK_REALTIME's clock_reset_notifier,
> ---
>  hw/timer/mc146818rtc.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/hw/timer/mc146818rtc.c b/hw/timer/mc146818rtc.c
> index df54546..821c27e 100644
> --- a/hw/timer/mc146818rtc.c
> +++ b/hw/timer/mc146818rtc.c
> @@ -879,7 +879,7 @@ static void rtc_realizefn(DeviceState *dev, Error
> **errp)
>      check_update_timer(s);
>
>      s->clock_reset_notifier.notify = rtc_notify_clock_reset;
> -    qemu_clock_register_reset_notifier(QEMU_CLOCK_REALTIME,
> +    qemu_clock_register_reset_notifier(rtc_clock,
>                                         &s->clock_reset_notifier);
>
>      s->suspend_notifier.notify = rtc_notify_suspend;
> --
>

The patch looks good, but it lacks your sign off.

Please read http://elinux.org/Developer_Certificate_Of_Origin and, if 
you agree, reply to this email with this line:

Signed-off-by: Your Real Name <peaceustc@gmail.com>

(with "Your Real Name" replaced by your real name, of course).

Paolo

      parent reply	other threads:[~2014-07-02  9:41 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-30 19:53 [Qemu-devel] [PATCH]Fix a error in mc146818rtc.c Lb peace
2014-06-30 20:08 ` Alex Bligh
2014-07-01  1:12   ` Lb peace
2014-07-01 18:50     ` Alex Bligh
2014-07-02  8:29 ` Stefan Hajnoczi
2014-07-02  9:41 ` Paolo Bonzini [this message]

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