linux-kernel - Re: [PATCH] fix msr list

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Message-ID: <20091013123042.GB8092@mothafucka.localdomain>
Date:	Tue, 13 Oct 2009 09:30:42 -0300
From:	Glauber Costa <glommer@...hat.com>
To:	Marcelo Tosatti <mtosatti@...hat.com>
Cc:	kvm@...r.kernel.org, linux-kernel@...r.kernel.org, avi@...hat.com
Subject: Re: [PATCH] fix msr list

On Mon, Oct 12, 2009 at 02:50:27PM -0300, Marcelo Tosatti wrote:
> On Tue, Oct 06, 2009 at 01:24:50PM -0400, Glauber Costa wrote:
> > For a while now, we are issuing a rdmsr instruction to find out which msrs in our
> > save list are really supported by the underlying machine. However, it fails to account
> > for kvm-specific msrs, such as the pvclock ones.
> > 
> > This patch moves then to the beginning of the list, and skip testing them.
> > 
> > Signed-off-by: Glauber Costa <glommer@...hat.com>
> 
> Applied, thanks.
> 
> But this alone won't fix migration to include the two pvclock MSRs
> right?
Yes, exactly. It will just make userspace see the correct list, but we'd
still have to take action based on it.

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