Messages in this thread | | | Subject | Re: [PATCH 0/3] Synaptics - fix lockdep warnings | From | Arjan van de Ven <> | Date | Thu, 14 Sep 2006 21:03:03 +0200 |
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> > 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.
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