On Wed, May 16, 2018 at 12:27:29PM +0100, Andrew Cooper wrote:
> On 14/05/18 16:48, Wei Liu wrote:
> > On Fri, May 11, 2018 at 11:38:14AM +0100, Andrew Cooper wrote:
> >> If Xen is virtualising MSR_SPEC_CTRL handling for guests, but using 0 as
> >> its
> >> own MSR_SPEC_CTRL value, spec_ctrl_{ente
On 14/05/18 16:48, Wei Liu wrote:
> On Fri, May 11, 2018 at 11:38:14AM +0100, Andrew Cooper wrote:
>> If Xen is virtualising MSR_SPEC_CTRL handling for guests, but using 0 as its
>> own MSR_SPEC_CTRL value, spec_ctrl_{enter,exit}_idle() need not write to the
>> MSR.
>>
>> Requested-by: Jan Beulich
On Fri, May 11, 2018 at 11:38:14AM +0100, Andrew Cooper wrote:
> If Xen is virtualising MSR_SPEC_CTRL handling for guests, but using 0 as its
> own MSR_SPEC_CTRL value, spec_ctrl_{enter,exit}_idle() need not write to the
> MSR.
>
> Requested-by: Jan Beulich
> Signed-off-by: Andrew Cooper
> ---
>
If Xen is virtualising MSR_SPEC_CTRL handling for guests, but using 0 as its
own MSR_SPEC_CTRL value, spec_ctrl_{enter,exit}_idle() need not write to the
MSR.
Requested-by: Jan Beulich
Signed-off-by: Andrew Cooper
---
CC: Jan Beulich
CC: Wei Liu
CC: Roger Pau Monné
CC: Juergen Gross
---
xen
