On Tue, 20 Jun 2017 16:45:12 -0400 Tejun Heo <[email protected]> wrote:
> bf5eb3de3847 ("slub: separate out sysfs_slab_release() from
> sysfs_slab_remove()") made slub sysfs file removals synchronous to
> kmem_cache shutdown. Unfortunately, this created a possible ABBA
> deadlock between slab_mutex and sysfs draining mechanism triggering
> the following lockdep warning.
>
> ...
>
> Signed-off-by: Tejun Heo <[email protected]>
> Reported-by: Steven Rostedt (VMware) <[email protected]>
> Tested-by: Steven Rostedt (VMware) <[email protected]>
> Fixes: bf5eb3de3847 ("slub: separate out sysfs_slab_release() from
> sysfs_slab_remove()")
Do you think we should add cc:stable [4.11+]?