Messages in this thread | | | Date | Fri, 05 Sep 2008 21:07:01 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [git pull] x86 fixes (NOPL issue) |
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Robert Hancock wrote: >> >> if so, should only test on VIA chips. > > The virtual CPUs are more of a problem. They can't be distinguished from > the real CPU models they are emulating other than by actually testing.
Right, hence the first-principles test. In theory we could just execute the test on ALL CPUs, but I have excluded family < 6 simply because there is a (very) remote possibility one of them might have used that opcode for something completely different.
-hpa
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