Messages in this thread | | | Subject | Re: [RFC][PATCH 4/5] signal: Add signal->ctrl_lock for job control | From | Matt Fleming <> | Date | Fri, 30 Sep 2011 16:36:16 +0100 |
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On Fri, 2011-09-30 at 17:30 +0200, Peter Zijlstra wrote: > On Fri, 2011-09-30 at 16:12 +0100, Matt Fleming wrote: > > + assert_spin_locked(&t->sighand->siglock); > > + assert_spin_locked(&t->signal->ctrl_lock); > > There's also lockdep_assert_held(), the difference is that > assert_spin_locked() will always generate code, and only checks that the > lock is held, not that we are the current owner. > > lockdep_assert_held() will only generate code for lockdep kernels and > will in fact check that the specified lock is held by the current task.
Aha! Yes, that's what I want, not assert_spin_locked(). Thanks!
-- Matt Fleming, Intel Open Source Technology Center
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