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

Zenghui Yu yuzenghui at huawei.com
Wed Sep 1 01:49:37 PDT 2021


On 2021/9/1 16:15, Hanjun Guo wrote:
> On 2021/9/1 15:29, Zenghui Yu wrote:
>> 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").
> 
> Please see the patch provided by Thomas Gleixner, it should
> fix this issue in a better way:
> 
> https://lkml.org/lkml/2021/8/31/352

Cool. Thanks for the pointer.

Zenghui



More information about the linux-arm-kernel mailing list