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Since the parent interrupt affinity cannot > be changed, affinity control for the child interrupt (MSI) is achieved > by redirecting the handler to run in IRQ work context on the target CPU. > > This patch was originally prepared by Thomas Gleixner (see Link tag below) > in a patch series that was never submitted as is, and only parts of that > series have made it upstream so far. > > Originally-by: Thomas Gleixner > Signed-off-by: Radu Rendec > Signed-off-by: Thomas Gleixner > Link: https://lore.kernel.org/linux-pci/878qpg4o4t.ffs@tglx/ > Link: https://patch.msgid.link/20251128212055.1409093-4-rrendec@redhat.com With next-20260105 I am observing the following warning on the Tegra194 Jetson AGX platform ... WARNING KERN genirq: irq_chip DW-PCI-MSI-0001:01:00.0 did not update eff. affinity mask of irq 171 Bisect is point to this commit. This platform is using the driver drivers/pci/controller/dwc/pcie-tegra194.c. Is there some default affinity that we should be setting to avoid this warning? Thanks Jon -- nvpublic