From: Joel Stanley <joel@jms.id.au>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: "Andrew Jeffery" <andrew@aj.id.au>,
"QEMU Developers" <qemu-devel@nongnu.org>,
qemu-arm <qemu-arm@nongnu.org>, "Cédric Le Goater" <clg@kaod.org>,
"Stefan Hajnoczi" <stefanha@redhat.com>,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Philippe Mathieu-Daudé" <philmd@redhat.com>
Subject: Re: [Qemu-devel] [PATCH for 4.1] aspeed/timer: Provide back-pressure information for short periods
Date: Tue, 16 Jul 2019 06:54:48 +0000 [thread overview]
Message-ID: <CACPK8XdFUO6+Fx17Dry0D2QFhM885DugdvOkWnhgjxPc9VgG2Q@mail.gmail.com> (raw)
In-Reply-To: <b304e4bd-1315-b1be-6c48-add99df92626@redhat.com>
Hi Peter,
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?
Cheers,
Joel
next prev parent reply other threads:[~2019-07-16 6:55 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-04 5:51 [Qemu-devel] [PATCH for 4.1] aspeed/timer: Provide back-pressure information for short periods Cédric Le Goater
2019-07-04 6:27 ` no-reply
2019-07-04 9:26 ` Philippe Mathieu-Daudé
2019-07-04 10:13 ` Stefan Hajnoczi
2019-07-04 12:26 ` Paolo Bonzini
2019-07-16 6:54 ` Joel Stanley [this message]
2019-07-16 7:00 ` Joel Stanley
2019-07-16 7:02 ` Philippe Mathieu-Daudé
2019-08-21 3:16 ` Joel Stanley
2019-08-27 15:37 ` Peter Maydell
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