Messages in this thread | | | Date | Thu, 14 Sep 2006 15:11:32 -0400 | From | "Dmitry Torokhov" <> | Subject | Re: [PATCH 0/3] Synaptics - fix lockdep warnings |
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On 9/14/06, Arjan van de Ven <arjan@infradead.org> wrote: > > > > > I think it is - as far as I understand the reason for not tracking > > every lock individually is just that it is too expensive to do by > > default. > > that is not correct. While it certainly plays a role, > the other reason is that you can find out "class" level locking rules > (such as inode->i_mutex comes before <other lock>) for all inodes at a > time; eg no need to see every inode do this before you can find the > deadlock. >
OK, I can see that. However you must agree that for certain locks we do want to track them individually, right?
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