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Date: Thu, 14 Jan 2010 10:13:00 +0100 From: Peter Zijlstra <peterz@...radead.org> To: "Eric W. Biederman" <ebiederm@...ssion.com> Cc: Miles Lane <miles.lane@...il.com>, "Rafael J. Wysocki" <rjw@...k.pl>, Américo Wang <xiyou.wangcong@...il.com>, LKML <linux-kernel@...r.kernel.org>, Greg Kroah-Hartman <gregkh@...e.de>, Jesse Barnes <jbarnes@...tuousgeek.org>, Len Brown <len.brown@...el.com>, Pavel Machek <pavel@....cz>, Arjan van de Ven <arjan@...radead.org>, Tejun Heo <tj@...nel.org>, Ingo Molnar <mingo@...hat.com> Subject: Re: 2.6.33-rc3 -- INFO: possible recursive locking -- (s_active){++++.+}, at: [<c10d2941>] sysfs_hash_and_remove+0x3d/0x4f On Wed, 2010-01-13 at 19:09 -0800, Eric W. Biederman wrote: > > I agree weird. Either you don't have my patch working correctly or I > talk a good good game but I don't have a clue about lockdep > subclasses. Subclasses and classes are basically the same thing, except that subclasses are an 'easy' way to modify the regular class of an object. Subclasses are limited to 7, 0 (the regular class), 1-7 subclasses. Subclasses (just like regular classes) have no intrinsic ordering, their order is given by the lock hierarchy. Anything else you want to know? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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