Re: [rfc] [patch] consolidate/clean up spinlock.h files

From: Zwane Mwaikambo
Date: Thu Jun 02 2005 - 14:31:50 EST


On Thu, 2 Jun 2005, Ingo Oeser wrote:

> Hi Ingo,
> you wrote:
>
> > --- linux/lib/spinlock_debug.c.orig
> > +++ linux/lib/spinlock_debug.c
> > +#define SPIN_BUG_ON(cond, lock, msg) \
> > + if (unlikely(cond)) spin_bug(lock, __FILE__, __LINE__, msg)
> > +#define RWLOCK_BUG_ON(cond, lock, msg) \
> > + if (unlikely(cond)) rwlock_bug(lock, __FILE__, __LINE__, msg)
>
> I would suggest propagating the __FILE__ and __LINE__ from the CALLERS
> of those functions in lib/spinlock_debug.c into these macros, to make
> this info more useful. At the moment you just know, that the bug happend
> on some spinlock/rwlock, but not who caused this.

That sounds like it has the potential to really bloat things up with
respect to the kernel image size.

Zwane

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