Messages in this thread |  | | | Subject | Re: [PATCH] expose kvmclock upper msr set. | | From | Glauber Costa <> | | Date | Thu, 24 Feb 2011 20:48:40 -0300 |
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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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