On 13/12/16 14:01, Jan Beulich wrote: > This removes 0F C7 from the list of two-byte opcodes treating prefixes > 66, F3, and F2 as opcode extensions. We better manually handle this in > the opcode specific code: > - CMPXCHG8B ignores all these prefixes (its handling is being adjusted > accordingly, with a respective test case added as well, to avoid > re-introducing the subject of XSA-200), > - RDRAND/RDSEED (support to be added subsequently) honor 66, but treat > F3 and F2 as opcode extensions (resolving to RDPID in the RDSEED > case, which in turn ignores 66). > > Signed-off-by: Jan Beulich <jbeul...@suse.com>
Reviewed-by: Andrew Cooper <andrew.coop...@citrix.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
