Re: [PATCH v3 3/3] s390/pci: Fix circular/recursive deadlocks in PCI-bus and -device release

[Benjamin Block]

On Wed, Apr 22, 2026 at 04:22:13PM +0200, Benjamin Block wrote:
> When removing PCI device or PCI bus objects there are a couple of
> call-chains where it is possible that the kernel runs into a circular
> deadlock involving the central `pci_rescan_remove_lock`.
> 
--8<--
> 
> Fixes: 05bc1be6db4b2 ("s390/pci: create zPCI bus")
> Fixes: ab909509850b2 ("PCI: s390: Fix use-after-free of PCI resources with per-function hotplug")
> Reviewed-by: Niklas Schnelle <schnelle@xxxxxxxxxxxxx>
> Tested-by: Niklas Schnelle <schnelle@xxxxxxxxxxxxx>
> Signed-off-by: Benjamin Block <bblock@xxxxxxxxxxxxx>
> Reference-ID: JUP1193979

Ah, damn. This `Reference-ID` wasn't meant to be in the "final" email. Sorry.
I'll re-send without it.

-- 
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