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Re: [PATCH 2/3] s390x/pci: refresh fh before disabling aif
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From: |
Eric Farman |
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Subject: |
Re: [PATCH 2/3] s390x/pci: refresh fh before disabling aif |
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Date: |
Tue, 16 Jan 2024 21:01:27 -0500 |
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User-agent: |
Evolution 3.50.3 (3.50.3-1.fc39) |
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>
- Re: [PATCH 1/3] s390x/pci: avoid double enable/disable of aif, (continued)
[PATCH 2/3] s390x/pci: refresh fh before disabling aif, Matthew Rosato, 2024/01/16
Re: [PATCH 0/3] s390x/pci: fix ISM reset, Michael Tokarev, 2024/01/18