Regards,
Oak
-Original Message-
From: Kuehling, Felix
Sent: Tuesday, May 28, 2019 5:08 PM
To: Zeng, Oak ; amd-gfx@lists.freedesktop.org
Cc: Zhao, Yong ; Liu, Alex ; Freehill,
Chris
Subject: Re: [PATCH] drm/amdkfd: Fix a potential circular lock
On 2019-05-28 2:28 p.m., Zeng, Oak
On 2019-05-28 2:28 p.m., Zeng, Oak wrote:
> The idea to break the circular lock dependency is, unlock dqm
> temporarily before calling init_mqd in call stack #1 (see below)
>
> [ 513.604034] ==
> [ 513.604205] WARNING: possible circular locking
The idea to break the circular lock dependency is, unlock dqm
temporarily before calling init_mqd in call stack #1 (see below)
[ 513.604034] ==
[ 513.604205] WARNING: possible circular locking dependency detected
[ 513.604375] 4.18.0-kfd-root
