Re: [PATCH 1/2] klist: implement KLIST_INIT() and DEFINE_KLIST()

From: Tejun Heo
Date: Tue Apr 22 2008 - 09:10:56 EST


Peter Zijlstra wrote:
These locks don't nest so being in the same class should be okay and I was following what (at least some of) other __SPIN_LOCK_UNLOCKED users are doing. If putting these locks into separate classes is the RTTD, sure.

Ah, they'll actually be in seprate classes all of the same name. So I
think it is cleaner to cause them to have separate names too.

see look_up_lock_class() in kernel/lockdep.c:

/*
* Static locks do not have their class-keys yet - for them the key
* is the lock object itself:
*/
if (unlikely(!lock->key))
lock->key = (void *)lock;

Ah.. I'll put change it to name. Thanks.

--
tejun
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