Jan Beulich wrote:
>
> Signed-off-by: Jan Beulich<jbeulich@suse.com>


Acked-by: Keir Fraser <keir@xen.org>

>
>
> --- a/xen/arch/x86/cpu/amd.c
> +++ b/xen/arch/x86/cpu/amd.c
> @@ -399,13 +399,9 @@ static void __devinit init_amd(struct cp
> * revision D (model = 0x14) and later actually support it.
> * (AMD Erratum #110, docId: 25759).
> */
> - unsigned int lo, hi;
> -
> clear_bit(X86_FEATURE_LAHF_LM, c->x86_capability);
> - if (!rdmsr_amd_safe(0xc001100d,&lo,&hi)) {
> - hi&= ~1;
> - wrmsr_amd_safe(0xc001100d, lo, hi);
> - }
> + if (!rdmsr_amd_safe(0xc001100d,&l,&h))
> + wrmsr_amd_safe(0xc001100d, l, h& ~1);
> }
>
> switch(c->x86)
>
>