lockdep: update lockdep_recursion on graph_lock

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With the introduction of ftrace, it is possible to recurse into
the lockdep functions via the mcount call. To prevent possible
lockups, updating the lockdep_recursion counter on grabbing the internal
lockdep_lock should prevent deadlocks.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

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Steven Rostedt 2008-05-12 21:21:00 +02:00 • committed by Thomas Gleixner

parent a98a3c3fde

commit bb065afb8e

1 changed files with 3 additions and 0 deletions

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kernel/lockdep.c

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