On Tue, Mar 10, 2020 at 10:58:09AM +0100, Jan Beulich wrote:
> On 09.03.2020 18:25, Wei Liu wrote:
> > On Mon, Mar 09, 2020 at 05:38:12PM +0100, Jan Beulich wrote:
> >> On 19.02.2020 12:44, Wei Liu wrote:
> >>> --- a/xen/include/asm-x86/flushtlb.h
> >>> +++ b/xen/include/asm-x86/flushtlb.h
> >>> @@
On 09.03.2020 18:25, Wei Liu wrote:
> On Mon, Mar 09, 2020 at 05:38:12PM +0100, Jan Beulich wrote:
>> On 19.02.2020 12:44, Wei Liu wrote:
>>> --- a/xen/include/asm-x86/flushtlb.h
>>> +++ b/xen/include/asm-x86/flushtlb.h
>>> @@ -123,6 +123,9 @@ void switch_cr3_cr4(unsigned long cr3, unsigned long
>
On Mon, Mar 09, 2020 at 05:38:12PM +0100, Jan Beulich wrote:
> On 19.02.2020 12:44, Wei Liu wrote:
> > --- a/xen/include/asm-x86/flushtlb.h
> > +++ b/xen/include/asm-x86/flushtlb.h
> > @@ -123,6 +123,9 @@ void switch_cr3_cr4(unsigned long cr3, unsigned long
> > cr4);
> > /* Flush all HVM guests
On 19.02.2020 12:44, Wei Liu wrote:
> --- a/xen/include/asm-x86/flushtlb.h
> +++ b/xen/include/asm-x86/flushtlb.h
> @@ -123,6 +123,9 @@ void switch_cr3_cr4(unsigned long cr3, unsigned long cr4);
> /* Flush all HVM guests linear TLB (using ASID/VPID) */
> #define FLUSH_GUESTS_TLB 0x4000
>
> +#d
Hyper-V's L0 assisted flush has fine-grained control over what gets
flushed. We need all the flags available to make the best decisions
possible.
No functional change because Xen's implementation doesn't care about
what is passed to it.
Signed-off-by: Wei Liu
Reviewed-by: Roger Pau Monné
Review
