From: Moshe Shemesh <moshe@nvidia.com>
To: "Lukas Wunner" <lukas@wunner.de>,
"Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>,
Dan Williams <dan.j.williams@intel.com>,
Dave Jiang <dave.jiang@intel.com>,
Keith Busch <kbusch@kernel.org>, <linux-pci@vger.kernel.org>
Subject: Re: [PATCH] PCI: Fix missing update in pci_slot_unlock() after locking changes
Date: Sun, 4 May 2025 23:16:39 +0300 [thread overview]
Message-ID: <61d92969-2da1-4845-8ca6-0e1e399148f4@nvidia.com> (raw)
In-Reply-To: <aBeplBA5FLjjXktu@wunner.de>
On 5/4/2025 8:53 PM, Lukas Wunner wrote:
>
> On Sun, May 04, 2025 at 07:31:32PM +0300, Moshe Shemesh wrote:
>> The cited patch updated pci_slot_lock(), pci_slot_trylock(),
>> pci_bus_lock(), and pci_bus_trylock() recursive locking, and adjusted
>> pci_bus_unlock() accordingly. However, it missed updating
>> pci_slot_unlock(), which may lead to attempting to unlock the
>> subordinate bridge's device lock twice.
>>
>> Fixes: a4e772898f8b ("PCI: Add missing bridge lock to pci_bus_lock()")
>> Signed-off-by: Moshe Shemesh <moshe@nvidia.com>
>
> Ilpo already submitted an identical patch on April 30:
>
> https://lore.kernel.org/r/20250430083526.4276-1-ilpo.jarvinen@linux.intel.com/
I missed it, thanks.
prev parent reply other threads:[~2025-05-04 20:16 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-04 16:31 [PATCH] PCI: Fix missing update in pci_slot_unlock() after locking changes Moshe Shemesh
2025-05-04 17:53 ` Lukas Wunner
2025-05-04 20:16 ` Moshe Shemesh [this message]
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