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SubjectRe: [PATCH] expose kvmclock upper msr set.
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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.




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