From: Cornelia Huck <cohuck@redhat.com>
To: Eric Farman <farman@linux.ibm.com>, Halil Pasic <pasic@linux.ibm.com>
Cc: linux-s390@vger.kernel.org, kvm@vger.kernel.org
Subject: Re: [PATCH RFC 1/1] vfio-ccw: add some logging
Date: Fri, 23 Aug 2019 13:48:45 +0200 [thread overview]
Message-ID: <20190823134845.1f7ce449.cohuck@redhat.com> (raw)
In-Reply-To: <20190816151505.9853-2-cohuck@redhat.com>
On Fri, 16 Aug 2019 17:15:05 +0200
Cornelia Huck <cohuck@redhat.com> wrote:
> Usually, the common I/O layer logs various things into the s390
> cio debug feature, which has been very helpful in the past when
> looking at crash dumps. As vfio-ccw devices unbind from the
> standard I/O subchannel driver, we lose some information there.
>
> Let's introduce some vfio-ccw debug features and log some things
> there. (Unfortunately we cannot reuse the cio debug feature from
> a module.)
>
> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
> ---
> drivers/s390/cio/vfio_ccw_drv.c | 50 ++++++++++++++++++++++++++--
> drivers/s390/cio/vfio_ccw_fsm.c | 51 ++++++++++++++++++++++++++++-
> drivers/s390/cio/vfio_ccw_ops.c | 10 ++++++
> drivers/s390/cio/vfio_ccw_private.h | 17 ++++++++++
> 4 files changed, 124 insertions(+), 4 deletions(-)
Queued.
prev parent reply other threads:[~2019-08-23 11:48 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-16 15:15 [PATCH RFC 0/1] s390dbf logging for vfio-ccw Cornelia Huck
2019-08-16 15:15 ` [PATCH RFC 1/1] vfio-ccw: add some logging Cornelia Huck
2019-08-21 15:54 ` Eric Farman
2019-08-23 10:44 ` Cornelia Huck
2019-08-23 11:48 ` Cornelia Huck [this message]
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