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From: Tim Hockin <thockin@hockin.org>
To: manfred@colorfullife.com (Manfred Spraul)
Cc: rweight@us.ibm.com (Russ Weight), linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Scalable CPU bitmasks
Date: Mon, 18 Mar 2002 14:42:59 -0800 (PST)	[thread overview]
Message-ID: <200203182242.g2IMgx119637@www.hockin.org> (raw)
In-Reply-To: <001e01c1cecc$50c347f0$010411ac@local> from "Manfred Spraul" at Mar 18, 2002 11:28:47 PM

> >  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 ?




  reply	other threads:[~2002-03-18 22:43 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 [this message]
2002-03-18 22:44   ` Russ Weight
  -- 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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