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Groups > linux.kernel > #1671176
| From | Andrew Morton <akpm@linux-foundation.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] slub: make sysfs file removal asynchronous |
| Date | 2017-06-21 00:00 +0200 |
| Message-ID | <tUzlM-5DB-9@gated-at.bofh.it> (permalink) |
| References | <tSZ0Z-8T-7@gated-at.bofh.it> <tUbCO-7vX-17@gated-at.bofh.it> <tUcpc-83n-27@gated-at.bofh.it> <tUyg2-4YJ-25@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Tue, 20 Jun 2017 16:45:12 -0400 Tejun Heo <tj@kernel.org> 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 <tj@kernel.org>
> Reported-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
> Tested-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
> Fixes: bf5eb3de3847 ("slub: separate out sysfs_slab_release() from sysfs_slab_remove()")
Do you think we should add cc:stable [4.11+]?
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[PATCH] slub: make sysfs file removal asynchronous Tejun Heo <tj@kernel.org> - 2017-06-20 22:50 +0200
Re: [PATCH] slub: make sysfs file removal asynchronous Andrew Morton <akpm@linux-foundation.org> - 2017-06-21 00:00 +0200
Re: [PATCH] slub: make sysfs file removal asynchronous Tejun Heo <tj@kernel.org> - 2017-06-21 00:10 +0200
Re: [PATCH] slub: make sysfs file removal asynchronous Steven Rostedt <rostedt@goodmis.org> - 2017-06-21 00:30 +0200
Re: [PATCH] slub: make sysfs file removal asynchronous Tejun Heo <tj@kernel.org> - 2017-06-21 00:50 +0200
Re: [PATCH] slub: make sysfs file removal asynchronous Christoph Lameter <cl@linux.com> - 2017-06-28 16:50 +0200
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