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Re: [Qemu-block] [PATCH v2 0/3] iotests: cure s390x failures by switchin


From: Kevin Wolf
Subject: Re: [Qemu-block] [PATCH v2 0/3] iotests: cure s390x failures by switching to ccw/aliases
Date: Fri, 15 Sep 2017 14:11:19 +0200
User-agent: Mutt/1.8.3 (2017-05-23)

Am 13.09.2017 um 11:10 hat Cornelia Huck geschrieben:
> Recent changes in s390x made pci support dependant on the zpci cpu
> feature, which is not provided on all models (and not on by default).
> This means we cannot instatiate pci devices on a standard qemu
> invocation for s390x. Moreover, the zpci instructions are not even
> wired up for tcg yet, so actually doing anything with those pci devices
> is bound to fail on tcg.
> 
> For 040, 051, 139, and 182, this can be fixed by switching to virtio-ccw
> from virtio-pci on s390x. 051 also needs a bit of post-processing on
> the output.
> 
> For 067, it is easier to switch to virtio aliases, which will pick
> virtio-ccw on s390x and virtio-pci elsewhere. It also exercises the
> aliasing path.

Thanks, dropped the whitespace change in patch 3 and applied to the
block branch.

Kevin



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