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Re: [PULL 13/22] pci: do not respond config requests after PCI device ej


From: Michael Tokarev
Subject: Re: [PULL 13/22] pci: do not respond config requests after PCI device eject
Date: Fri, 4 Aug 2023 07:37:56 +0300
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.13.1

04.08.2023 01:21, Michael S. Tsirkin wrote:
From: Yuri Benditovich <yuri.benditovich@daynix.com>

Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=2224964

In migration with VF failover, Windows guest and ACPI hot
unplug we do not need to satisfy config requests, otherwise
the guest immediately detects the device and brings up its
driver. Many network VF's are stuck on the guest PCI bus after
the migration.

Signed-off-by: Yuri Benditovich <yuri.benditovich@daynix.com>
Message-Id: <20230728084049.191454-1-yuri.benditovich@daynix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

Is it a stable-8.0 (and stable-7.2) material?

Thanks,

/mjt



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