>>> On 12.12.16 at 18:39, wrote:
> --- a/xen/arch/x86/x86_emulate/x86_emulate.c
> +++ b/xen/arch/x86/x86_emulate/x86_emulate.c
> @@ -433,6 +433,7 @@ typedef union {
> #define CR4_OSXMMEXCPT (1<<10)
> #define CR4_UMIP (1<<11)
> #define CR4_OSXSAVE(1<<18)
> +#define CR4_SMAP (1<<2
Note that unlike most privilege restricted instructions, STAC and CLAC are
documented to raise #UD rather than #GP[0], and indeed do so.
Signed-off-by: Andrew Cooper
---
CC: Jan Beulich
v2:
* Exclude the use of legacy prefixes. Their exclusion is undocumented but
consistent with observed b
