Re: [Xen-devel] [PATCH] x86emul: properly refuse LOCK on most 0FC7 insns

2017-09-27 Thread Andrew Cooper
On 22/09/17 10:02, Jan Beulich wrote: > When adding support for RDRAND/RDSEED/RDPID I didn't remember to also > update this special early check. Make it (hopefully) future-proof by > also refusing VEX-encodings. > > Signed-off-by: Jan Beulich Acked-by: Andrew Cooper

[Xen-devel] [PATCH] x86emul: properly refuse LOCK on most 0FC7 insns

2017-09-22 Thread Jan Beulich
When adding support for RDRAND/RDSEED/RDPID I didn't remember to also update this special early check. Make it (hopefully) future-proof by also refusing VEX-encodings. Signed-off-by: Jan Beulich --- a/xen/arch/x86/x86_emulate/x86_emulate.c +++ b/xen/arch/x86/x86_emulate/x86_emulate.c @@ -3087,7