ACK: [REGRESSION P/N][PATCH 0/1] Fix regression to PCI pass-through in QEMU/KVM

Edoardo Canepa edoardo.canepa at canonical.com
Tue Jul 22 13:44:23 UTC 2025


Acked-by: Edoardo Canepa <edoardo.canepa at canonical.com>

On 22/07/25 14:44, Stefan Bader wrote:
> BugLink: https://bugs.launchpad.net/bugs/2117494
>
> [SRU Justification]
>
> Impact: Reported regression to PCI pass-through in QEMU/KVM (https://lists.ubuntu.com/archives/kernel-team/2025-July/161565.html) which was caused by changes to fix suspend/resume on disks with BIOS password set (bug #2110090).
>
> Fix: Upstream fix from 6.16-rc3 addressing the issue (see below)
>
> Testcase: Requires to set up a VM with PCI pass-through.
>
> Regression potential: Things related to PCI power management (devices not being initialized or not properly resuming after suspend).
>
> Mario Limonciello (1):
>    PCI/PM: Set up runtime PM even for devices without PCI PM
>
>   drivers/pci/pci.c | 5 +++--
>   1 file changed, 3 insertions(+), 2 deletions(-)
>
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