lkml.org 
[lkml]   [2021]   [Apr]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH 0/4] Add support for XMM fast hypercalls
From
Date
On 08/04/21 17:28, Wei Liu wrote:
>> Although the Hyper-v TLFS mentions that a guest cannot use this feature
>> unless the hypervisor advertises support for it, some hypercalls which
>> we plan on upstreaming in future uses them anyway.
>
> No, please don't do this. Check the feature bit(s) before you issue
> hypercalls which rely on the extended interface.

Perhaps Siddharth should clarify this, but I read it as Hyper-V being
buggy and using XMM arguments unconditionally.

Paolo

\
 
 \ /
  Last update: 2021-04-08 17:31    [W:0.059 / U:0.548 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site