lkml.org 
[lkml]   [2011]   [Sep]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [RFC][PATCH 4/5] signal: Add signal->ctrl_lock for job control
From
Date
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



\
 
 \ /
  Last update: 2011-09-30 17:39    [W:0.052 / U:8.664 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site