From: Paolo Bonzini <pbonzini@redhat.com>
To: andrzej zaborowski <balrogg@gmail.com>, Jan Kiszka <jan.kiszka@web.de>
Cc: Peter Maydell <peter.maydell@linaro.org>, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH v2 0/5] Make rt_clock usage configurable for ARM devices
Date: Tue, 13 Mar 2012 11:46:31 +0100 [thread overview]
Message-ID: <4F5F2587.60505@redhat.com> (raw)
In-Reply-To: <CAFEAcA-qtw_gm1J4MZ+RJQu8ujjx1p9qx+tjFJsFAmdvA2OWsg@mail.gmail.com>
Il 05/03/2012 15:05, Peter Maydell ha scritto:
>> > Direct usage of rt_clock should be discouraged. For RTC devices the user
>> > cannot choose to follow the host clock with respect to NTP adjustment
>> > and daylight savings changes. For other devices it does not provide
>> > determinism together with -icount or qtest, and it also keeps ticking
>> > while the machine is paused.
>> >
>> > This series uses rtc_clock uniformly in device models that provide RTC
>> > functionality, and vm_clock in the omap_lpg whose ticking should be tied
>> > to the VM running state. For consistency I'm also switching the pl031
>> > to rtc_clock; so far it used the vm_clock.
>> >
>> > v1->v2: switch omap_lpg to vm_clock
>> >
>> > Paolo Bonzini (5):
>> > rtc: add -rtc clock=rt
>> > omap: switch omap_lpg to vm_clock
>> > arm: switch real-time clocks to rtc_clock
>> > pl031: rearm alarm timer upon load
>> > pl031: switch clock base to rtc_clock
> I'm happy to take these into the arm-devs tree, but I'd prefer to
> see an ack or review from somebody who understands qemu timers first.
Andrzej or Jan, would you take a look?
Paolo
next prev parent reply other threads:[~2012-03-13 10:47 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-05 9:08 [Qemu-devel] [PATCH v2 0/5] Make rt_clock usage configurable for ARM devices Paolo Bonzini
2012-03-05 9:08 ` [Qemu-devel] [PATCH v2 1/5] rtc: add -rtc clock=rt Paolo Bonzini
2012-03-05 9:08 ` [Qemu-devel] [PATCH v2 2/5] omap: switch omap_lpg to vm_clock Paolo Bonzini
2012-03-05 9:08 ` [Qemu-devel] [PATCH v2 3/5] arm: switch real-time clocks to rtc_clock Paolo Bonzini
2012-03-05 9:08 ` [Qemu-devel] [PATCH v2 4/5] pl031: rearm alarm timer upon load Paolo Bonzini
2012-03-05 9:08 ` [Qemu-devel] [PATCH v2 5/5] pl031: switch clock base to rtc_clock Paolo Bonzini
2012-03-05 14:05 ` [Qemu-devel] [PATCH v2 0/5] Make rt_clock usage configurable for ARM devices Peter Maydell
2012-03-13 10:46 ` Paolo Bonzini [this message]
2012-03-27 17:07 ` Paolo Bonzini
2012-03-27 17:24 ` Peter Maydell
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