linux-kernel - Re: [PATCH 0/3] PCI: Locking related improvements

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Message-ID: <02bc8a1f-2630-847f-8371-8f39d65b01a7@linux.intel.com>
Date: Fri, 16 Jan 2026 14:59:23 +0200 (EET)
From: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
To: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
cc: Jinhui Guo <guojinhui.liam@...edance.com>, Keith Busch <kbusch@...nel.org>, 
    "Anthony Pighin (Nokia)" <anthony.pighin@...ia.com>, 
    Alex Williamson <alex@...zbot.org>, 
    Jonathan Cameron <Jonathan.Cameron@...wei.com>, 
    Bjorn Helgaas <bhelgaas@...gle.com>, linux-pci@...r.kernel.org, 
    LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/3] PCI: Locking related improvements

On Fri, 16 Jan 2026, Ilpo Järvinen wrote:

> Hi all,
> 
> Here are a few locking related coding quality improvements, none of
> them aims to introduce any function changes. First two convert "must be

s/function change/functional change/

--
 i.

> asserted" comments into lockdep asserts for easier detection of
> violations. The last patch consolidates almost duplicated code in the
> bus/slot locking function.
> 
> This series based is based on top of the fix (the last change would
> obviously conflict with it):
> 
> https://patchwork.kernel.org/project/linux-pci/patch/20251212145528.2555-1-guojinhui.liam@bytedance.com/
> 
> 
> Ilpo Järvinen (3):
>   PCI: Use lockdep_assert_held(pci_bus_sem) to verify lock is held
>   PCI: Use device_lock_assert() to verify device lock is held
>   PCI: Consolidate pci_bus/slot_lock/unlock/trylock()
> 
>  drivers/pci/pci.c | 120 ++++++++++++++++++++++++----------------------
>  1 file changed, 63 insertions(+), 57 deletions(-)
> 
> 
> base-commit: 270f0a8620a2d8fac3bcab3779df782d85b3b4bf
>