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Re: [qemu-s390x] [PATCH v4 0/6] vfio-ccw: support hsch/csch (kernel part

From: Cornelia Huck
Subject: Re: [qemu-s390x] [PATCH v4 0/6] vfio-ccw: support hsch/csch (kernel part)
Date: Mon, 15 Apr 2019 13:51:26 +0200

On Fri,  1 Mar 2019 10:38:56 +0100
Cornelia Huck <address@hidden> wrote:

> [This is the Linux kernel part, git tree is available at
> https://git.kernel.org/pub/scm/linux/kernel/git/kvms390/vfio-ccw.git 
> vfio-ccw-eagain-caps-v3
> The companion QEMU patches are available at
> https://github.com/cohuck/qemu vfio-ccw-caps]
> Currently, vfio-ccw only relays START SUBCHANNEL requests to the real
> device. This tends to work well for the most common 'good path' scenarios;
> however, as we emulate {HALT,CLEAR} SUBCHANNEL in QEMU, things like
> clearing pending requests at the device is currently not supported.
> This may be a problem for e.g. error recovery.
> This patch series introduces capabilities (similar to what vfio-pci uses)
> and exposes a new async region for handling hsch/csch.

One more gentle ping for an ack/r-b for patches 4 and 6.

I could go ahead and merge patches 1-3 and then patches 1+3 of Farhan's
series, but I'd really like to merge patches 4-6 as well so I can later
merge the QEMU part after a headers update to 5.2-rc...

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