From: Andrew Morton <akpm@digeo.com>
To: Jeff Garzik <jgarzik@pobox.com>
Cc: Linus Torvalds <torvalds@transmeta.com>,
lkml <linux-kernel@vger.kernel.org>
Subject: Re: [patch 4/4] increase traffic on linux-kernel
Date: Wed, 25 Sep 2002 21:31:27 -0700 [thread overview]
Message-ID: <3D928D9F.7BF85410@digeo.com> (raw)
In-Reply-To: 3D928C8B.5020609@pobox.com
Jeff Garzik wrote:
>
> Andrew Morton wrote:
> > --- 2.5.38/include/linux/kernel.h~might_sleep Wed Sep 25 20:15:27 2002
> > +++ 2.5.38-akpm/include/linux/kernel.h Wed Sep 25 20:15:27 2002
> > @@ -40,6 +40,13 @@
> >
> > struct completion;
> >
> > +#ifdef CONFIG_DEBUG_KERNEL
> > +void __might_sleep(char *file, int line);
> > +#define might_sleep() __might_sleep(__FILE__, __LINE__)
> > +#else
> > +#define might_sleep() do {} while(0)
> > +#endif
>
> I disagree with this -- CONFIG_DEBUG_KERNEL should not enable any machinery.
I did this because adding a function call to down() and friends
has significant cost.
> Magic Sysrq should be enable-able without affecting any other parts of
> the kernel.
A separate config option then?
next prev parent reply other threads:[~2002-09-26 4:27 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-26 4:09 [patch 4/4] increase traffic on linux-kernel Andrew Morton
2002-09-26 4:26 ` Jeff Garzik
2002-09-26 4:31 ` Andrew Morton [this message]
2002-09-26 4:35 ` Jeff Garzik
2002-09-26 4:32 ` Andrew Morton
2002-09-26 4:32 ` Greg KH
2002-09-26 4:37 ` Andrew Morton
2002-09-27 1:31 ` Linus Torvalds
2002-09-27 1:34 ` Arnaldo Carvalho de Melo
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