On 27/08/2019 17:45, Andrew Cooper wrote: > AMD explicitly doesn't have leaf 4. Their leaf 0x8000001d is similar in > behaviour (by having subleafs), and is mostly compatible, but > irritatingly doesn't have an identical data layout. > > I've got another query out with AMD because the documentation for this > leaf alone claims that CPUID will #UD with an out-of-range subleaf, and > I don't believe this can be true.
Current feedback is that this looks like a documentation bug, and that CPUs don't actually behave like that. ~Andrew _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
