Re: [PATCH] iommu/amd: Stop irq_remapping_select() matching when remapping is disabled

[Will Deacon]

On Tue, 05 Jan 2021 01:36:13 +0000, David Woodhouse wrote:
> The AMD IOMMU initialisation registers the IRQ remapping domain for
> each IOMMU before doing the final sanity check that every I/OAPIC is
> covered.
> 
> This means that the AMD irq_remapping_select() function gets invoked
> even when IRQ remapping has been disabled, eventually leading to a NULL
> pointer dereference in alloc_irq_table().
> 
> [...]

Applied to arm64 (for-next/iommu/fixes), thanks!

[1/1] iommu/amd: Stop irq_remapping_select() matching when remapping is disabled
      https://git.kernel.org/arm64/c/b34f10c2dc59

Cheers,
-- 
Will

https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev