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Message-ID: <d120d5000503111447727d7b6@mail.gmail.com>
Date: Fri, 11 Mar 2005 17:47:52 -0500
From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reply-To: dtor_core@ameritech.net
To: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Subject: Re: AGP bogosities
Cc: Linus Torvalds <torvalds@osdl.org>, Paul Mackerras <paulus@samba.org>,
       Dave Jones <davej@redhat.com>, benh@kernel.crashing.org,
       linux-kernel@vger.kernel.org
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On Fri, 11 Mar 2005 17:42:46 -0500, Dmitry Torokhov
<dmitry.torokhov@gmail.com> wrote:
> Hi,
> 
> On Sat, 12 Mar 2005 07:18:19 +0900, OGAWA Hirofumi
> <hirofumi@mail.parknet.co.jp> wrote:
> >
> > +       if (!atomic_read(v)) {
> > +               printk("BUG: atomic counter underflow at:\n");
> > +               dump_stack();
> > +       }
> 
> I wonder if adding "unlikely" might be beneficial here.

Oh, it's just a debugging patch, nevermind...

-- 
Dmitry
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