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

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Message-ID: <1298899495.15736.321.camel@mothafucka.localdomain>
Date:	Mon, 28 Feb 2011 10:24:55 -0300
From:	Glauber Costa <glommer@...hat.com>
To:	Avi Kivity <avi@...hat.com>
Cc:	kvm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] expose kvmclock upper msr set.

On Sun, 2011-02-27 at 14:16 +0200, Avi Kivity wrote:
> On 02/23/2011 07:44 PM, 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.
> 
> We're exposing them via KVM_GET_SUPPORTED_CPUID, leaf KVM_CPUID_FEATURES.
> 
Our userspace does not really use it, and rely on the capability list.
Historically, we've been relying on the capabilities mechanism to
indicate what exists and what does not. 

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