Re: [PATCH v5 1/1] PCI/IOV: Add reentrant locking in sriov_add_vfs/sriov_del_vfs for complete serialization

[Keith Busch]

On Tue, Mar 03, 2026 at 08:56:24PM +0100, Niklas Schnelle wrote:
> On Tue, 2026-03-03 at 20:28 +0100, Lukas Wunner wrote:
> > Actually, scratch this particular comment.  The deadlock in pciehp
> > is actually an AB-BA deadlock, not recursive acquisition.
> 
> Hi Lukas,
> 
> Do you have a link to a report or a lockdep splat for this issue?

https://lore.kernel.org/all/4c882e25194ba8282b78fe963fec8faae7cf23eb.1529173804.git.lukas@xxxxxxxxx/