Messages in this thread |  | | Date | Sat, 31 May 2014 10:58:02 -0400 | | Subject | Re: [git pull] Re: fs/dcache.c - BUG: soft lockup - CPU#5 stuck for 22s! [systemd-udevd:1667] | | From | Josh Boyer <> |
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On Sat, May 31, 2014 at 10:48 AM, Linus Torvalds <torvalds@linux-foundation.org> wrote: > > > On Sat, 31 May 2014, Josh Boyer wrote: >> >> One of my machines got the lockdep report below when booting a kernel >> that contained these patches. > > I think this is just a lacking annotation. > > We do nest dentry d_lock locking, and in order to avoid ABBA deadlocks the > rule is that we lock things in topological order (parent dentry first). > lock_parent() is very careful about that, but doesn't actually tell > lockdep about it. > > This trivial oneliner should fix it.
Thanks, I'll give it a spin later today.
josh
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