Re: [PATCH] ACPI / PPTT: get PPTT table in the first beginning

[Zenghui Yu <yuzenghui@xxxxxxxxxx>]

On 2021/7/20 21:37, Sudeep Holla wrote:
> On Tue, Jul 20, 2021 at 07:26:35PM +0800, Xiongfeng Wang wrote:
> > When I added might_sleep() in down_timeout(), I got the following
>
> Sorry it is not clear if you are able to reproduce this issue without
> any other modifications in the mainline kernel ?

Jump in this thread as the exact splat is triggered at boot time
in the latest mainline kernel thanks to commit 99409b935c9a
("locking/semaphore: Add might_sleep() to down_*() family").