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(parent: e23ee27) | patch
lockdep: fix incorrect state name
authorPeter Zijlstra <a.p.zijlstra@chello.nl>
Wed, 4 Mar 2009 12:51:13 +0000 (13:51 +0100)
committerIngo Molnar <mingo@elte.hu>
Wed, 4 Mar 2009 17:38:33 +0000 (18:38 +0100)
commit3dc76122280cf041c4470c9c19d10b10014690f2
tree03b6ecf8d87074d1f154ff8ac794e9084e00d7cdtree | snapshot
parente23ee2726c971a538ca41fdc4425c0ce1c181fd6commit | diff
lockdep: fix incorrect state name

In the recent mark_lock_irq() rework a bug snuck in that would report the
state of write locks causing irq inversion under a read lock as a read
lock.

Fix this by masking the read bit of the state when validating write
dependencies.

Reported-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <1236172646.5330.7450.camel@laptop>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
kernel/lockdep.c diff | blob | history
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