Messages in this thread | | | Date | Tue, 29 Sep 2009 14:22:42 +0400 | Subject | Re: [PATCH] kill-the-bkl/reiserfs: Fix induced mm->mmap_sem to sysfs_mutex dependency | From | Alexander Beregalov <> |
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2009/9/29 Frederic Weisbecker <fweisbec@gmail.com>: > On Tue, Sep 22, 2009 at 05:55:43PM +0400, Alexander Beregalov wrote: >> Hi Frederic. >> >> Another very similar warning. >> (smp 2*2core) >> v2.6.31-7068-g43c1266 plus 193be0ee1 kill-the-bkl/reiserfs: Fix >> induced mm->mmap_sem to sysfs_mutex dependency >> >> >> [ INFO: possible circular locking dependency detected ] >> 2.6.31-07095-g25a3912 #4 >> ------------------------------------------------------- >> udevadm/790 is trying to acquire lock: >> (&mm->mmap_sem){++++++}, at: [<c1098942>] might_fault+0x72/0xc0 >> >> but task is already holding lock: >> (sysfs_mutex){+.+.+.}, at: [<c110813c>] sysfs_readdir+0x7c/0x260 >> >> which lock already depends on the new lock. > > > > Yeah indeed, it's about the same kind of thing. > Could you please test the following patch?
Thanks, the warning has gone away. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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