From: Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
To: Andrea Arcangeli <andrea-Vyt77T80VFVWk0Htik3J/w@public.gmane.org>
Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: Re: external module sched_in event
Date: Tue, 25 Dec 2007 11:00:27 +0200 [thread overview]
Message-ID: <4770C6AB.2060303@qumranet.com> (raw)
In-Reply-To: <20071224162639.GH8483-lysg2Xt5kKMAvxtiuMwx3w@public.gmane.org>
Andrea Arcangeli wrote:
> On Sun, Dec 23, 2007 at 07:37:40PM +0200, Avi Kivity wrote:
>
>> The sched_in notifier needs to enable interrupts (but it must disable
>> preemption to avoid recursion).
>>
>
> Ok this update fixes the smp_call_function deadlock.
>
>
I was able to boot a 4-way guest on a 2-way i386 host, so looks like
this works. Thanks, it will reduce the maintenance burden needed for
the external module.
--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.
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next prev parent reply other threads:[~2007-12-25 9:00 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-20 16:23 external module sched_in event Andrea Arcangeli
[not found] ` <20071220162353.GA3802-lysg2Xt5kKMAvxtiuMwx3w@public.gmane.org>
2007-12-22 19:13 ` Avi Kivity
[not found] ` <476D61E8.5000102-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-12-23 16:49 ` Andrea Arcangeli
[not found] ` <20071223164932.GA8483-lysg2Xt5kKMAvxtiuMwx3w@public.gmane.org>
2007-12-23 17:37 ` Avi Kivity
[not found] ` <476E9CE4.2060705-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-12-24 16:26 ` Andrea Arcangeli
[not found] ` <20071224162639.GH8483-lysg2Xt5kKMAvxtiuMwx3w@public.gmane.org>
2007-12-25 9:00 ` Avi Kivity [this message]
-- strict thread matches above, loose matches on Subject: below --
2007-12-21 17:40 Andrea Arcangeli
[not found] ` <20071221174048.GB1292-lysg2Xt5kKMAvxtiuMwx3w@public.gmane.org>
2007-12-21 17:52 ` Izik Eidus
[not found] ` <476BFD74.2040509-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-12-21 18:22 ` Andrea Arcangeli
2007-12-22 20:24 ` Avi Kivity
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