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Re: [Qemu-devel] [PATCHv5 0/4] Clean up compatibility mode handling
From: |
David Gibson |
Subject: |
Re: [Qemu-devel] [PATCHv5 0/4] Clean up compatibility mode handling |
Date: |
Thu, 8 Jun 2017 14:17:39 +1000 |
User-agent: |
Mutt/1.8.0 (2017-02-23) |
On Fri, Jun 02, 2017 at 01:15:03PM +1000, David Gibson wrote:
> This is a rebased and revised version of my patches revising CPU
> compatiblity mode handling on ppc, last posted in November. Since
> then, many of the patches have already been merged (some for 2.9, some
> since). This is what's left.
>
> * There was conceptual confusion about what a compatibility mode
> means, and how it interacts with the machine type. This cleans
> that up, clarifying that a compatibility mode (as an externally set
> option) only makes sense on machine types that don't permit the
> guest hypervisor privilege (i.e. 'pseries')
>
> * It was previously the user's (or management layer's) responsibility
> to determine compatibility of CPUs on either end for migration.
> This uses the compatibility modes to check that properly during an
> incoming migration.
Anyone willing to give some review and/or testing, particularly for
patch 2/4.
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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- [Qemu-devel] [PATCHv5 0/4] Clean up compatibility mode handling, David Gibson, 2017/06/01
- [Qemu-devel] [PATCHv5 1/4] qapi: add explicit null to string input and output visitors, David Gibson, 2017/06/01
- [Qemu-devel] [PATCHv5 4/4] ppc: Rework CPU compatibility testing across migration, David Gibson, 2017/06/01
- [Qemu-devel] [PATCHv5 3/4] pseries: Reset CPU compatibility mode, David Gibson, 2017/06/01
- [Qemu-devel] [PATCHv5 2/4] pseries: Move CPU compatibility property to machine, David Gibson, 2017/06/01
- Re: [Qemu-devel] [PATCHv5 0/4] Clean up compatibility mode handling, no-reply, 2017/06/01
- Re: [Qemu-devel] [PATCHv5 0/4] Clean up compatibility mode handling,
David Gibson <=
- Re: [Qemu-devel] [PATCHv5 0/4] Clean up compatibility mode handling, Andrea Bolognani, 2017/06/10
- Re: [Qemu-devel] [Qemu-ppc] [PATCHv5 0/4] Clean up compatibility mode handling, Andrea Bolognani, 2017/06/13