Re: [PATCH v23 0/5] [PCI] Error recovery for vfio-pci devices on s390x
From: Bjorn Helgaas
Date: Wed Aug 12 2026 - 18:39:06 EST
On Wed, Aug 05, 2026 at 09:55:13AM -0700, Farhan Ali wrote:
> Hi Bjorn,
>
> This patch set includes only the PCI patches of the original series for
> error recovery for vfio-pci devices on s390x [1]. Breaking up the patch
> series into PCI and VFIO only patches to make merging easier based on
> discussion with Alex [2].
>
> Thanks
> Farhan
>
> [1] https://lore.kernel.org/all/20260520171113.1111-1-alifm@xxxxxxxxxxxxx/
> [2] https://lore.kernel.org/all/20260602163344.1eda12d2@xxxxxxxxxxx/
>
> ChangeLog
> ---------
> v22: https://lore.kernel.org/all/20260720192505.2957-1-alifm@xxxxxxxxxxxxx/
> v22 -> v23:
> - Split placeholder constant into a separate patch (patch 1).
> - Rebase on 7.2-rc6
(No need to rebase; I always apply on -rc1 regardless)
> Farhan Ali (5):
> PCI: Introduce PCI_SLOT_PLACEHOLDER constant for slot_nr placeholder
> value
> PCI: Allow per function PCI slots to fix slot reset on s390
> PCI: Avoid saving config space state if inaccessible
> PCI: Fail FLR when config space is inaccessible
> PCI/MSI: Enable memory decoding before restoring MSI-X messages
>
> drivers/pci/hotplug/pnv_php.c | 2 +-
> drivers/pci/hotplug/rpaphp_slot.c | 2 +-
> drivers/pci/msi/msi.c | 10 +++++++
> drivers/pci/pci.c | 32 ++++++++++++++++++--
> drivers/pci/slot.c | 50 +++++++++++++++++++++----------
> include/linux/pci.h | 8 +++--
> 6 files changed, 82 insertions(+), 22 deletions(-)
Applied to pci/slot for v7.3, thanks!