Re: [PATCH] expose kvmclock upper msr set.

From: Glauber Costa
Date: Mon Feb 28 2011 - 08:25:12 EST

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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