From: Eric Farman <farman@linux.ibm.com>
To: Matthew Rosato <mjrosato@linux.ibm.com>, qemu-s390x@nongnu.org
Cc: thuth@redhat.com, clg@redhat.com, frankja@linux.ibm.com,
pasic@linux.ibm.com, borntraeger@linux.ibm.com,
richard.henderson@linaro.org, david@redhat.com,
iii@linux.ibm.com, qemu-devel@nongnu.org
Subject: Re: [PATCH 2/3] s390x/pci: refresh fh before disabling aif
Date: Tue, 16 Jan 2024 21:01:27 -0500 [thread overview]
Message-ID: <4782f4432c524234f599b18a50017855ed8b7a49.camel@linux.ibm.com> (raw)
In-Reply-To: <20240116223157.73752-3-mjrosato@linux.ibm.com>
On Tue, 2024-01-16 at 17:31 -0500, Matthew Rosato wrote:
> Typically we refresh the host fh during CLP enable, however it's
> possible
> that the device goes through multiple reset events before the guest
> performs another CLP enable. Let's handle this for now by refreshing
> the
> host handle from vfio before disabling aif.
>
> Fixes: 03451953c7 ("s390x/pci: reset ISM passthrough devices on
> shutdown and system reset")
> Reported-by: Cédric Le Goater <clg@redhat.com>
> Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
> ---
> hw/s390x/s390-pci-kvm.c | 11 ++++++++++-
> 1 file changed, 10 insertions(+), 1 deletion(-)
Reviewed-by: Eric Farman <farman@linux.ibm.com>
next prev parent reply other threads:[~2024-01-17 2:02 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-16 22:31 [PATCH 0/3] s390x/pci: fix ISM reset Matthew Rosato
2024-01-16 22:31 ` [PATCH 1/3] s390x/pci: avoid double enable/disable of aif Matthew Rosato
2024-01-17 1:57 ` Eric Farman
2024-01-17 15:06 ` Matthew Rosato
2024-01-17 10:54 ` Cédric Le Goater
2024-01-17 15:11 ` Matthew Rosato
2024-01-16 22:31 ` [PATCH 2/3] s390x/pci: refresh fh before disabling aif Matthew Rosato
2024-01-17 2:01 ` Eric Farman [this message]
2024-01-17 10:31 ` Cédric Le Goater
2024-01-17 15:07 ` Matthew Rosato
2024-01-17 10:40 ` Cédric Le Goater
2024-01-17 15:17 ` Matthew Rosato
2024-01-16 22:31 ` [PATCH 3/3] s390x/pci: drive ISM reset from subsystem reset Matthew Rosato
2024-01-17 3:01 ` Eric Farman
2024-01-17 15:07 ` Matthew Rosato
2024-01-17 11:01 ` Cédric Le Goater
2024-01-17 15:19 ` Matthew Rosato
2024-01-17 21:11 ` Matthew Rosato
2024-01-18 7:02 ` Cédric Le Goater
2024-01-18 6:03 ` [PATCH 0/3] s390x/pci: fix ISM reset Michael Tokarev
2024-01-18 7:19 ` Thomas Huth
2024-01-18 7:37 ` Michael Tokarev
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