Message ID | 587F8E3F0200007800131570@prv-mh.provo.novell.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On 18/01/17 14:48, Jan Beulich wrote: > LOCK prefixes get dealt with elsewhere, and 66, F2, and F3 can all be > checked for in one go by looking at vex.pfx. > > Signed-off-by: Jan Beulich <jbeulich@suse.com> Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
--- a/xen/arch/x86/x86_emulate/x86_emulate.c +++ b/xen/arch/x86/x86_emulate/x86_emulate.c @@ -4679,8 +4679,7 @@ x86_emulate( #endif case 0xd4: /* vmfunc */ - generate_exception_if(lock_prefix | rep_prefix() | (vex.pfx == vex_66), - EXC_UD); + generate_exception_if(vex.pfx, EXC_UD); fail_if(!ops->vmfunc); if ( (rc = ops->vmfunc(ctxt)) != X86EMUL_OKAY ) goto done;