Re: [PATCH RT 1/2 v2] dm-snapshot: fix crash with the realtime kernel
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: 2019-11-19 08:48:45
Also in:
dm-devel, linux-fsdevel, lkml
On 2019-11-12 11:09:51 [-0500], Mikulas Patocka wrote:
Snapshot doesn't work with realtime kernels since the commit f79ae415b64c. hlist_bl is implemented as a raw spinlock and the code takes two non-raw spinlocks while holding hlist_bl (non-raw spinlocks are blocking mutexes in the realtime kernel).
this series is still on the list of things for me to look at… Sebastian