Re: [Qemu-devel] [PATCH for 4.1] aspeed/timer: Provide back-pressure information for short periods

[Peter Maydell <peter.maydell@linaro.org>]

On Wed, 21 Aug 2019 at 04:16, Joel Stanley <joel@jms.id.au> wrote:
>
> On Tue, 16 Jul 2019 at 07:02, Philippe Mathieu-Daudé <philmd@redhat.com> wrote:
> > On 7/16/19 9:00 AM, Joel Stanley wrote:
> > > On Tue, 16 Jul 2019 at 06:54, Joel Stanley <joel@jms.id.au> wrote:
> > >> On Thu, 4 Jul 2019 at 12:26, Paolo Bonzini <pbonzini@redhat.com> wrote:
> > >>> On 04/07/19 12:13, Stefan Hajnoczi wrote:
> > >>>> On Thu, Jul 04, 2019 at 11:26:53AM +0200, Philippe Mathieu-Daudé wrote:
> > >>>>> CC'ing Stefan & Paolo for a non-ARM view on this...
> > >>>>
> > >>>> I'm not familiar with the various clock smoothing techniques implemented
> > >>>> in QEMU and KVM, but this looks okay given that Linux guests expect
> > >>>> this.
> > >>>
> > >>> Yeah, even KVM applies a minimum period of 200us to the x86 LAPIC timer.
> > >>
> > >> Can we please merge this so guests can boot on 4.1?
> > >
> > > Cédric pointed out this lacks my reviewed by. I had not provided it in
> > > the past as I wondered if we could come up with a better fix. However,
> > > I consider this a good fix for 4.1, and if sometime finds time to
> > > further rework the timer model in the future then we can do that work
> > > later.
> >
> > Agreed.
> >
> > >
> > > Reviewed-by: Joel Stanley <joel@jms.id.au>
> > > Tested-by: Joel Stanley <joel@jms.id.au>
> >
> > Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
>
> HI Peter,
>
> Is this one still in your queue?



Applied to target-arm.next, thanks.

-- PMM