On Wed, 21 Apr 2021 17:43:15 +0100, Marc Zyngier wrote:
> Dann recently reported that his ThunderX machine failed to boot since
> 64b499d8df40 ("irqchip/gic-v3: Configure SGIs as standard
> interrupts"), with a not so pretty crash while trying to send an IPI.
>
> It turned out to be caused by a mix of broken firmware and a buggy
> GTDT watchdog driver. Both have forever been buggy, but the above
> commit revealed that the error handling path of the driver was
> probably the worse part of it all.
>
> [...]
Applied to arm64 (for-next/core), thanks!
[1/2] ACPI: GTDT: Don't corrupt interrupt mappings on watchdow probe failure
https://git.kernel.org/arm64/c/1ecd5b129252
[2/2] ACPI: irq: Prevent unregistering of GIC SGIs
https://git.kernel.org/arm64/c/2a20b08f06e7
--
Catalin
