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authorIngo Molnar <mingo@elte.hu>2006-07-03 00:24:51 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-07-03 15:27:04 -0700
commit6c9076ec9cd448f43bbda871352a7067f456ee26 (patch)
tree8691366aa511f20146eb9cfe942e0d94c4136e1a /Documentation/lockdep-design.txt
parentfbb9ce9530fd9b66096d5187fa6a115d16d9746c (diff)
downloadvexpress-lsk-6c9076ec9cd448f43bbda871352a7067f456ee26.tar.gz
[PATCH] lockdep: allow read_lock() recursion of same class
From: Ingo Molnar <mingo@elte.hu> lockdep so far only allowed read-recursion for the same lock instance. This is enough in the overwhelming majority of cases, but a hostap case triggered and reported by Miles Lane relies on same-class different-instance recursion. So we relax the restriction on read-lock recursion. (This change does not allow rwsem read-recursion, which is still forbidden.) Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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