Re: [PATCH 01/37] PCI/MSI: Add Devres managed IRQ vectors allocation

Shawn Lin <[email protected]> Tue, 24 Feb 2026 10:08:58 +0800
Newsgroups dev.linux.lists.mhi,dev.linux.lists.iommu,org.freedesktop.lists.dri-devel,org.infradead.lists.linux-i3c,org.infradead.lists.linux-riscv,org.kernel.vger.dmaengine,org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-crypto,org.kernel.vger.linux-cxl,org.kernel.vger.linux-gpio,org.kernel.vger.linux-i2c,org.kernel.vger.linux-input,org.kernel.vger.linux-media,org.kernel.vger.linux-mmc,org.kernel.vger.linux-pci,org.kernel.vger.linux-serial,org.kernel.vger.linux-spi,org.kernel.vger.linux-usb,org.kernel.vger.netdev,org.kernel.vger.platform-driver-x86
Message-ID <[email protected]>
鍦 2026/02/24 鏄熸湡浜 8:04, Jakub Kicinski 鍐欓亾:
> On Mon, 23 Feb 2026 23:29:40 +0800 Shawn Lin wrote:
>> pcim_alloc_irq_vectors() and pcim_alloc_irq_vectors_affinity() are created for
>> pci device drivers which rely on the devres machinery to help cleanup the IRQ
>> vectors.
> 
> If you can please add this API with just a few users, and then convert
> remaining users via the subsystem trees in the next cycle.
> There's no need to risk wasting maintainer time on conflicts with
> conversions like this.

Thanks for the suggestion, Jakub. I have little experience with 
cross-subsystem cleanups like this, so your suggestion is very helpful.

>