From: Avi Kivity <avi@redhat.com>
To: Jan Kiszka <jan.kiszka@web.de>
Cc: Blue Swirl <blauwirbel@gmail.com>,
Paul Brook <paul@codesourcery.com>,
Gleb Natapov <gleb@redhat.com>,
qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Re: [Bug 599958] Re: Timedrift problems with Win7: hpet missing time drift fixups
Date: Mon, 05 Jul 2010 12:23:03 +0300 [thread overview]
Message-ID: <4C31A477.7010205@redhat.com> (raw)
In-Reply-To: <4C31A0EC.7020803@web.de>
On 07/05/2010 12:07 PM, Jan Kiszka wrote:
>
>> What about ack notifiers? Ask the APIC to notify you when an interrupt
>> is acked. That allows you to track the BSP, all cpus, or some subset.
>> Masking can be seen at the irq controller level.
>>
> So, if I understand you correctly, an IRQ state change that is ignored
> due to masking would invoke the ack notifier chain as well?
>
No - the cpu doesn't ack, no ack notifier.
We might need a separate mask notifier. Just add pomodoro sauce.
>> It's more involved, but provides more information.
>>
> Well, it requires to establish ack notifier chains in parallel to the
> existing IRQ delivery routes. Definitely more invasive.
>
Right, and need to plumb it twice, once for qemu and once for kvm.
But my feeling is you get a lot more information out of it.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2010-07-05 9:23 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-29 21:18 [Qemu-devel] [Bug 599958] [NEW] Timedrift problems with Win7 + qemu-kvm Lucas Meneghel Rodrigues
2010-06-29 21:18 ` [Qemu-devel] [Bug 599958] " Lucas Meneghel Rodrigues
2010-06-29 21:18 ` Lucas Meneghel Rodrigues
2010-06-29 21:19 ` Lucas Meneghel Rodrigues
2010-06-29 21:45 ` Anthony Liguori
2010-06-29 21:53 ` Lucas Meneghel Rodrigues
2010-06-30 14:17 ` Lucas Meneghel Rodrigues
2010-06-30 14:38 ` [Qemu-devel] [Bug 599958] Re: Timedrift problems with Win7: hpet missing time drift fixups Anthony Liguori
2010-07-01 7:13 ` [Qemu-devel] " Jan Kiszka
2010-07-01 8:19 ` Gleb Natapov
2010-07-01 15:45 ` Paul Brook
2010-07-01 18:50 ` Anthony Liguori
2010-07-01 21:40 ` Paul Brook
2010-07-03 7:39 ` Jan Kiszka
2010-07-03 7:49 ` Blue Swirl
2010-07-03 7:55 ` Jan Kiszka
2010-07-04 22:06 ` Paul Brook
2010-07-05 6:39 ` Jan Kiszka
2010-07-05 6:42 ` Gleb Natapov
2010-07-05 6:49 ` Jan Kiszka
2010-07-05 7:00 ` Gleb Natapov
2010-07-05 7:36 ` Jan Kiszka
2010-07-05 8:47 ` Avi Kivity
2010-07-05 9:07 ` Jan Kiszka
2010-07-05 9:09 ` Gleb Natapov
2010-07-05 9:23 ` Avi Kivity [this message]
2010-07-05 11:13 ` Jan Kiszka
2010-07-05 11:40 ` Avi Kivity
2010-07-05 12:16 ` Jan Kiszka
2010-07-05 12:20 ` Gleb Natapov
2010-07-05 13:24 ` Jan Kiszka
2010-07-05 13:42 ` Avi Kivity
2010-07-05 13:44 ` Gleb Natapov
2010-07-05 12:23 ` Avi Kivity
2010-07-05 13:28 ` Jan Kiszka
2010-07-05 13:47 ` Avi Kivity
2010-07-05 17:12 ` Blue Swirl
2010-07-05 17:32 ` Jan Kiszka
2010-07-05 17:45 ` Avi Kivity
2010-07-01 18:42 ` Anthony Liguori
2010-06-30 15:40 ` [Qemu-devel] " Lucas Meneghel Rodrigues
2013-10-01 9:34 ` Ben A
2013-10-01 15:56 ` Gleb Natapov
2013-10-01 16:23 ` Ben "Root" Anderson
2013-10-01 16:33 ` Gleb Natapov
2013-10-01 16:36 ` Ben "Root" Anderson
2013-10-01 16:47 ` Gleb Natapov
2013-10-01 9:35 ` Ben A
2014-06-15 23:31 ` AndCycle
2019-05-22 7:27 ` Thomas Huth
2019-05-24 14:58 ` Lucas Meneghel Rodrigues
2019-07-24 4:17 ` Launchpad Bug Tracker
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