Re: [PATCH 0/7] xen/arm: Emulate ID registers

2020-11-30 Thread Bertrand Marquis
Hi Andrew, > On 30 Nov 2020, at 10:36, Andrew Cooper wrote: > > On 30/11/2020 10:20, Bertrand Marquis wrote: >> Hi Andrew, >> >>> On 27 Nov 2020, at 20:07, Andrew Cooper wrote: >>> >>> On 26/11/2020 15:51, Bertrand Marquis wrote: The goal of this serie is to emulate coprocessor ID regist

Re: [PATCH 0/7] xen/arm: Emulate ID registers

2020-11-30 Thread Andrew Cooper
On 30/11/2020 10:20, Bertrand Marquis wrote: > Hi Andrew, > >> On 27 Nov 2020, at 20:07, Andrew Cooper wrote: >> >> On 26/11/2020 15:51, Bertrand Marquis wrote: >>> The goal of this serie is to emulate coprocessor ID registers so that >>> Xen only publish to guest features that are supported by Xe

Re: [PATCH 0/7] xen/arm: Emulate ID registers

2020-11-30 Thread Bertrand Marquis
Hi Andrew, > On 27 Nov 2020, at 20:07, Andrew Cooper wrote: > > On 26/11/2020 15:51, Bertrand Marquis wrote: >> The goal of this serie is to emulate coprocessor ID registers so that >> Xen only publish to guest features that are supported by Xen and can >> actually be used by guests. >> One prac

Re: [PATCH 0/7] xen/arm: Emulate ID registers

2020-11-27 Thread Andrew Cooper
On 26/11/2020 15:51, Bertrand Marquis wrote: > The goal of this serie is to emulate coprocessor ID registers so that > Xen only publish to guest features that are supported by Xen and can > actually be used by guests. > One practical example where this is required are SVE support which is > forbidd

[PATCH 0/7] xen/arm: Emulate ID registers

2020-11-26 Thread Bertrand Marquis
The goal of this serie is to emulate coprocessor ID registers so that Xen only publish to guest features that are supported by Xen and can actually be used by guests. One practical example where this is required are SVE support which is forbidden by Xen as it is not supported, but if Linux is compi