7 Mar
2023
7 Mar
'23
6:09 p.m.
On 03/03/23 16:51, Greg Kroah-Hartman wrote:
On Thu, Mar 02, 2023 at 12:25:02AM +0800, wenyang.linux@foxmail.com wrote:
From: Valentin Schneider vschneid@redhat.com
commit 811d581194f7412eda97acc03d17fc77824b561f upstream.
No it is not :(
Also, why is this needed for 5.10.y? PREEMPT_RT is not in 5.10, right?
The mutex_unlock() might end up waking a waiter, and wake_up_process() really isn't NMI safe (regardless of PREEMPT_RT - the PREEMPT_RT warning just highlighted the issue).
thanks,
greg k-h