>>> On 15.10.15 at 03:58, wrote:
> On Tue, Oct 13, 2015 at 07:49:12AM -0600, Jan Beulich wrote:
>> >>> On 12.10.15 at 08:07, wrote:
>>
>> > @@ -2257,9 +2261,14 @@ static int hvm_load_cpu_xsave_states(struct domain
> *d, hvm_domain_context_t *h)
>> > v->arch.xcr0_accum = ctxt->xcr0_accum;
>
On Tue, Oct 13, 2015 at 07:49:12AM -0600, Jan Beulich wrote:
> >>> On 12.10.15 at 08:07, wrote:
>
> > @@ -2257,9 +2261,14 @@ static int hvm_load_cpu_xsave_states(struct domain
> > *d, hvm_domain_context_t *h)
> > v->arch.xcr0_accum = ctxt->xcr0_accum;
> > if ( ctxt->xcr0_accum & XSTATE
>>> On 12.10.15 at 08:07, wrote:
> --- a/xen/arch/x86/domctl.c
> +++ b/xen/arch/x86/domctl.c
> @@ -897,9 +897,30 @@ long arch_do_domctl(
> ret = -EFAULT;
>
> offset += sizeof(v->arch.xcr0_accum);
> -if ( !ret && copy_to_guest_offset(evc->buffer, offset,
On Mon, Oct 12, 2015 at 11:05:33AM +0100, Andrew Cooper wrote:
> On 12/10/15 07:07, Shuai Ruan wrote:
> > This patch uses xsaves/xrstors/xsavec instead of xsaveopt/xrstor
> > to perform the xsave_area switching so that xen itself
> > can benefit from them when available.
> >
> > For xsaves/xrstors/
On 12/10/15 07:07, Shuai Ruan wrote:
> This patch uses xsaves/xrstors/xsavec instead of xsaveopt/xrstor
> to perform the xsave_area switching so that xen itself
> can benefit from them when available.
>
> For xsaves/xrstors/xsavec only use compact format. Add format conversion
> support when perfor
This patch uses xsaves/xrstors/xsavec instead of xsaveopt/xrstor
to perform the xsave_area switching so that xen itself
can benefit from them when available.
For xsaves/xrstors/xsavec only use compact format. Add format conversion
support when perform guest os migration.
Also, pv guest will not s
