Re: [Xen-devel] [PATCH for-4.12 v3 4/5] xen/arm: Implement Set/Way operations

[Julien Grall <julien.grall@xxxxxxx>]

Hi Andrew,

On 12/14/18 9:31 PM, Andrew Cooper wrote:
> On 14/12/2018 03:58, Julien Grall wrote:
> > Set/Way operations are used to perform maintenance on a given cache.
> > At the moment, Set/Way operations are not trapped and therefore a guest
> > OS will directly act on the local cache. However, a vCPU may migrate to
> > another pCPU in the middle of the processor. This will result to have
> > cache with stall data (Set/Way are not propagated) potentially causing
> s/stall/stale/ ?
Yes. I tend to confuse the both a lot.

Cheers,

> ~Andrew
--
Julien Grall

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxxx
https://lists.xenproject.org/mailman/listinfo/xen-devel