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Date: Tue, 5 Feb 2019 17:13:09 +0100
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Subject: Re: [Qemu-devel] [PATCH v3 1/6] vfio-ccw: make it safe to access
 channel programs
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To: Farhan Ali <alifm@linux.ibm.com>
Cc: Eric Farman <farman@linux.ibm.com>, Halil Pasic <pasic@linux.ibm.com>, linux-s390@vger.kernel.org, Alex Williamson <alex.williamson@redhat.com>, Pierre Morel <pmorel@linux.ibm.com>, kvm@vger.kernel.org, qemu-devel@nongnu.org, qemu-s390x@nongnu.org

On Tue, 5 Feb 2019 10:14:46 -0500
Farhan Ali <alifm@linux.ibm.com> wrote:

> On 02/05/2019 09:48 AM, Eric Farman wrote:

> >>> This patch-series is AFAICT a big improvement over what we have. I wo=
uld
> >>> like Farhan confirming that it makes these hick-ups when he used to h=
it
> >>> BUSY with another ssch request disappear. If it does (I hope it does)
> >>> it's definitely a good thing for anybody who wants to use vfio-ccw. =
=20
> >>
> >> Yep. There remains a lot to be done, but it's a first step. =20
> >=20
> > s/a first step/an excellent first step/=C2=A0 :)
> >=20
> > Can't speak for Farhan, but this makes things somewhat better for me.=20
> > I'm still getting some periodic errors, but they happen infrequently=20
> > enough now that debugging them is frustrating.=C2=A0 ;-)
> >=20
> >  =C2=A0- Eric
> >  =20
>=20
> I ran the my workloads/tests with the patches and like Eric I notice the=
=20
> errors I previously hit less frequently.

Great, thanks for testing!