lkml.org 
[lkml]   [2018]   [Aug]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v9 22/22] s390: doc: detailed specifications for AP virtualization
On Wed, 22 Aug 2018 09:04:13 +0200
Harald Freudenberger <freude@linux.ibm.com> wrote:

> Well, sooner or later this has to work. Yesterday we tested the control
> domain thing with trying to pull some simple data from a 'controlled' domain
> to the TKE - doesn't work with a Linux LPAR. I will investigate the details in the
> next weeks. However, long-term it should be possible to run scenarios
> like having one KVM guest control all the domains used by other KVM guests.
> With respect to the KVM vfio driver, currently there should be just the
> rule that for a guest the control domain mask should be equal or a superset
> of the usage domain mask. This is by convention as the architecture is
> not so clear here, but this is enforced on every place which deals with
> usage and control domains (SE, TKE).

Thanks for the update; this makes me think we really should fiddle with
the masks in the kernel (as opposed to doing it higher up in the stack).

\
 
 \ /
  Last update: 2018-08-22 12:10    [W:0.202 / U:2.712 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site