From: Avi Kivity <avi@redhat.com>
To: Juan Quintela <quintela@redhat.com>
Cc: kvm@vger.kernel.org, Gleb Natapov <gleb@redhat.com>,
qemu-devel@nongnu.org
Subject: [Qemu-devel] Re: [PATCH] Add support for async page fault to qemu
Date: Mon, 18 Oct 2010 17:53:28 +0200 [thread overview]
Message-ID: <4CBC6D78.6090306@redhat.com> (raw)
In-Reply-To: <m3k4lf5wov.fsf@trasno.mitica>
On 10/18/2010 05:48 PM, Juan Quintela wrote:
> Gleb Natapov<gleb@redhat.com> wrote:
> > Add save/restore of MSR for migration and cpuid bit.
>
> It is there a way to test if async page faults are in use?
Yes, msr != 0 -> need a subsection. Good idea.
> if so, we can add a subsection instead of changing the cpuversion.
>
> I think that at some point we are going to need a bitmap that indicates
> what MSR's have been used or something like that.
>
> What do you think?
We just need to check if an msr is different from its default value
(which we can get by reading msrs immediately after the initial reset).
Currently the reset code assumes msr reset value is zero, that's wrong.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2010-10-18 15:53 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-18 13:25 [Qemu-devel] [PATCH] Add support for async page fault to qemu Gleb Natapov
2010-10-18 15:48 ` [Qemu-devel] " Juan Quintela
2010-10-18 15:53 ` Avi Kivity [this message]
2010-10-18 16:29 ` Gleb Natapov
2010-10-21 15:08 ` [Qemu-devel] [PATCHv2] " Gleb Natapov
2010-10-21 16:03 ` [Qemu-devel] " Marcelo Tosatti
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