linux-kernel - Re: [PATCH] expose kvmclock upper msr set.

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Date:	Fri, 25 Feb 2011 10:11:28 -0300
From:	Glauber Costa <glommer@...hat.com>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	kvm@...r.kernel.org, linux-kernel@...r.kernel.org, avi@...hat.com
Subject: Re: [PATCH] expose kvmclock upper msr set.

On Thu, 2011-02-24 at 18:54 -0500, Steven Rostedt wrote:
> On Thu, 2011-02-24 at 20:48 -0300, Glauber Costa wrote:
> > On Thu, 2011-02-24 at 18:24 -0500, Steven Rostedt wrote:
> > > On Wed, Feb 23, 2011 at 12:44:14PM -0500, Glauber Costa wrote:
> > > > We've been supporting kvmclock MSRs in the 0x4b564d00-0x4b564dff range
> > > > for a while now, but we're not exposing it yet, meaning nobody is using it.
> > > > This simple patch takes care of that.
> > > 
> > > Is nobody using it because it was never exposed? Or because nobody ever
> > > needed it, and we don't care (thus don't bother supporting it).
> > > 
> > The former. Our guest kernels will only rely on features that are
> > exposed, meaning that if they are not, the guest kernel will never know
> > it is available. 
> > 
> 
> Might want to rephrase your change log, as to me it sounds like nobody
> is using it because it is not needed. Adding the "Our guest..." from
> your response to the change log will clear that up.
> 
> Thanks,
I can do that, sure.

OTOH, I know avi changed changelogs for clarity a couple of times
before, so if there is no code change needed, maybe he think it is
easier to rephrase it before picking it up.

Avi?



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