Messages in this thread |  | | Date | Tue, 08 Jan 2013 11:47:39 -0800 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH v5 00/12] x86/microcode: Early load microcode |
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On 01/08/2013 11:46 AM, Konrad Rzeszutek Wilk wrote: > > OK. I am trying to figure out whether this usage of native_* for the > MSRs was done on purpose - and it sounds like the answer is no. If so - > can it be done using the normal 'safe_rdmsr' and 'wrmsr'? > > That would allow at least in the case of Xen, to omit a whole bunch > of MSR writes/reads during the boot that are not neccessary as we would > not trap in the hypervisor - but could use the pvops version of > read/write MSR calls to just do a nop. >
Why is this code invoked on Xen at all? That seems crazy.
-hpa
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