Re: [Xen-devel] [PATCH RFC v2 00/12] xen/x86: use per-vcpu stacks for 64 bit pv domains

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 23.01.18 at 06:50, <jgross@xxxxxxxx> wrote:
> On 22/01/18 17:51, Jan Beulich wrote:
>> But isn't that model having the same synchronization issues upon
>> guest L4 updates which Andrew was fighting with?
> 
> I don't think so, as the number of shadows will always only be max. 1
> with my approach.

How can I know that? The overview mail doesn't talk about the
intended shadowing algorithm afaics, and none of the patches
(judging by their titles) implements any part thereof. In
particular I'd be curious to know whether what you say will
hold also for guests not making use of the intended PV ABI
extension.

Jan


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