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

[Manuel Diewald]

On Tue, Jul 22, 2025 at 02:44:26PM +0200, 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(-)
> 
> -- 
> 2.43.0
> 
> 
> -- 
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> kernel-team at lists.ubuntu.com
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Patch is missing provenance but in the interest of time this can be
added when applying the patch. I'm assuming this was cherry-picked from
907a7a2e5bf4 ("PCI/PM: Set up runtime PM even for devices without PCI
PM").

Acked-by: Manuel Diewald <manuel.diewald at canonical.com>

-- 
 Manuel
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