On 11/03/16 17:34, Jan Beulich wrote: > Signed-off-by: Jan Beulich <jbeul...@suse.com> > > --- a/xen/arch/x86/x86_emulate/x86_emulate.c > +++ b/xen/arch/x86/x86_emulate/x86_emulate.c > @@ -1093,6 +1093,22 @@ static bool_t vcpu_has( > #define vcpu_must_have_cx16() vcpu_must_have(0x00000001, ECX, 13) > #define vcpu_must_have_avx() vcpu_must_have(0x00000001, ECX, 28) > > +#ifdef __XEN__ > +/* > + * Note the (subtle?) difference between vcpu_must_have_<feature>() and > + * vcpu_must_have(<feature>): The former only checks guest feature flags, > + * while the latter also checks host ones, i.e. is required to be used when > + * emulation code is using the same instruction class for carrying out the > + * actual operation). > + */
This comment is now stale. With this dropped, Reviewed-by: Andrew Cooper <andrew.coop...@citrix.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
