Re: [PATCH v3] piix: fix xenfv regression, add compat machine xenfv-qemu4

2020-03-27 Thread Olaf Hering
On Wed, Mar 25, Paolo Bonzini wrote: > On 25/03/20 16:45, Olaf Hering wrote: > >> hw_compat_3_1 and pc_compat_3_1 > > I have asked about this earlier, so again: > > What do all these arrays do in the context of 'xenfv' to the emulated > > system? > They change the hardware and CPU features that i

Re: [PATCH v3] piix: fix xenfv regression, add compat machine xenfv-qemu4

2020-03-25 Thread Paolo Bonzini
On 25/03/20 16:45, Olaf Hering wrote: >> hw_compat_3_1 and pc_compat_3_1 > I have asked about this earlier, so again: > > What do all these arrays do in the context of 'xenfv' to the emulated system? They change the hardware and CPU features that is presented to the VMs, if the respective devices

Re: [PATCH v3] piix: fix xenfv regression, add compat machine xenfv-qemu4

2020-03-25 Thread Olaf Hering
Am Wed, 25 Mar 2020 16:39:54 +0100 schrieb Paolo Bonzini : > hw_compat_3_1 and pc_compat_3_1 I have asked about this earlier, so again: What do all these arrays do in the context of 'xenfv' to the emulated system? Olaf pgpu29Y5u2NnF.pgp Description: Digitale Signatur von OpenPGP

Re: [PATCH v3] piix: fix xenfv regression, add compat machine xenfv-qemu4

2020-03-25 Thread Paolo Bonzini
On 25/03/20 07:47, Olaf Hering wrote: > To cover both the existing and the broken case of 'xenfv' in a single > qemu binary, a new compatibility variant of 'xenfv-qemu4' must be added > which targets domUs started with qemu-4.0, qemu-4.1 and qemu-4.2. The > existing 'xenfv' restores compatibility o

Re: [PATCH v3] piix: fix xenfv regression, add compat machine xenfv-qemu4

2020-03-25 Thread no-reply
Patchew URL: https://patchew.org/QEMU/20200325064736.22416-1-o...@aepfle.de/ Hi, This series failed the asan build test. Please find the testing commands and their output below. If you have Docker installed, you can probably reproduce it locally. === TEST SCRIPT BEGIN === #!/bin/bash export AR

Re: [PATCH v3] piix: fix xenfv regression, add compat machine xenfv-qemu4

2020-03-25 Thread no-reply
Patchew URL: https://patchew.org/QEMU/20200325064736.22416-1-o...@aepfle.de/ Hi, This series failed the docker-quick@centos7 build test. Please find the testing commands and their output below. If you have Docker installed, you can probably reproduce it locally. === TEST SCRIPT BEGIN === #!/b

[PATCH v3] piix: fix xenfv regression, add compat machine xenfv-qemu4

2020-03-24 Thread Olaf Hering
With qemu4 an incompatible change was added to pc_piix, which makes it practical impossible to migrate domUs started with qemu2 or qemu3 to newer qemu versions. Commit 7fccf2a06890e3bc3b30e29827ad3fb93fe88fea added and enabled a new member "smbus_no_migration_support". In commit 4ab2f2a8aabfea95cc5