Messages in this thread | | | Date | Thu, 21 May 2009 10:38:01 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH 01/22] x86: add methods for writing of an MSR on several CPUs |
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Borislav Petkov wrote: > > Well, let's do the nonserializing thing and have it done right from the > beginning. We might not care now but who knows..? >
If nothing else it might matter for boot time. Serializing *anything* across a large number of CPUs can be very expensive.
-hpa
-- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.
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