From: Avi Kivity <avi@redhat.com>
To: Gleb Natapov <gleb@redhat.com>
Cc: Jan Kiszka <jan.kiszka@siemens.com>,
kvm@vger.kernel.org, Marcelo Tosatti <mtosatti@redhat.com>
Subject: Re: [PATCH v3 1/3] Introduce a workqueue to deliver PIT timer interrupts.
Date: Tue, 17 Apr 2012 13:29:04 +0300 [thread overview]
Message-ID: <4F8D45F0.4020908@redhat.com> (raw)
In-Reply-To: <20120417102601.GF11918@redhat.com>
On 04/17/2012 01:26 PM, Gleb Natapov wrote:
> > It isn't, since you need to send an IPI.
> >
> That is exactly what I forget whether you can send IPI from there :)
> Anyway this is another reason.
>
Actually I was wrong. You can't smp_call_function_single() from irq
context (deadlocks if two vcpus do that), but we send a reschedule
interrupt. So it should work.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2012-04-17 10:29 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-16 21:11 [PATCH v3 0/3]: Fixes to IRQ routing Chris Lalancette
2010-06-16 21:11 ` [PATCH v3 1/3] Introduce a workqueue to deliver PIT timer interrupts Chris Lalancette
2012-04-16 16:33 ` Jan Kiszka
2012-04-16 17:07 ` Avi Kivity
2012-04-17 9:31 ` Gleb Natapov
2012-04-17 10:23 ` Avi Kivity
2012-04-17 10:26 ` Gleb Natapov
2012-04-17 10:29 ` Avi Kivity [this message]
2012-04-17 10:31 ` Gleb Natapov
2012-04-17 10:42 ` Avi Kivity
2012-04-17 10:43 ` Avi Kivity
2012-04-17 11:05 ` Gleb Natapov
2012-04-17 12:00 ` Avi Kivity
2012-04-17 12:03 ` Gleb Natapov
2012-04-17 12:06 ` Avi Kivity
2012-04-17 16:15 ` Jan Kiszka
2012-04-17 16:17 ` Avi Kivity
2012-04-18 8:04 ` Gleb Natapov
2012-04-18 8:25 ` Avi Kivity
2012-04-18 8:27 ` Gleb Natapov
2010-06-16 21:11 ` [PATCH v3 2/3] Allow any LAPIC to accept PIC interrupts Chris Lalancette
2010-06-16 21:11 ` [PATCH v3 3/3] In DM_LOWEST, only deliver interrupts to vcpus with enabled LAPIC's Chris Lalancette
2010-06-18 17:44 ` [PATCH v3 0/3]: Fixes to IRQ routing Marcelo Tosatti
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