From: Russ Weight <rweight@us.ibm.com>
To: Tim Hockin <thockin@hockin.org>
Cc: Manfred Spraul <manfred@colorfullife.com>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Scalable CPU bitmasks
Date: Mon, 18 Mar 2002 14:44:51 -0800 [thread overview]
Message-ID: <20020318144451.A4377@us.ibm.com> (raw)
In-Reply-To: <001e01c1cecc$50c347f0$010411ac@local> <200203182242.g2IMgx119637@www.hockin.org>
Good point - I'll catch this at compile time. I'll resubmit shortly...
- Russ
On Mon, Mar 18, 2002 at 02:42:59PM -0800, Tim Hockin wrote:
> > > NOTE: The cpumap_to_ulong() and cpumap_ulong_to_cpumap() interfaces
> > > are provided specifically for migration. In their current
> > > form, they call BUG() if NR_CPUS is defined to be greater
> > > than the bit-size of (unsigned long).
> >
> > Why BUG? NR_CPUS is known at compile time, is there a reason why you
> > can't use a call to an undefined function in order to get a link time
> > error message? (like __bad_udelay in linux/asm-i386/udelay.h)
>
> why that, rather than #error ?
>
>
--
Russ Weight (rweight@us.ibm.com)
Linux Technology Center
next prev parent reply other threads:[~2002-03-18 22:48 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-03-18 22:28 [PATCH] Scalable CPU bitmasks Manfred Spraul
2002-03-18 22:42 ` Tim Hockin
2002-03-18 22:44 ` Russ Weight [this message]
-- strict thread matches above, loose matches on Subject: below --
2002-03-18 22:07 Russ Weight
2002-03-19 11:28 ` Denis Vlasenko
2002-03-19 7:56 ` Andrew Morton
2002-03-20 23:04 ` Russ Weight
2002-01-30 0:32 Russ Weight
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