Re: [PATCH 0/2] arm64: ACPI GTDT watchdog fixes

[Hanjun Guo]

On 2021/4/22 0:43, 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.
>
> Anyway, this short series has two goals:
> - handle broken firmware in a less broken way
> - make sure that the route cause of the problem can be identified
>    quickly

Tested on Kunpeng920 ARM64 server, didn't any issue after applying
this patch set,

Tested-by: Hanjun Guo <guohanjun@xxxxxxxxxx>
Reviewed-by: Hanjun Guo <guohanjun@xxxxxxxxxx>

Thanks
Hanjun