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Date: Sun, 25 Feb 2007 22:13:52 +0100
From: Pavel Machek <pavel@ucw.cz>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Andrew Morton <akpm@osdl.org>, linux-kernel@vger.kernel.org,
       Zwane Mwaikambo <zwane@infradead.org>, Ashok Raj <ashok.raj@intel.com>,
       Ingo Molnar <mingo@elte.hu>, "Lu, Yinghai" <yinghai.lu@amd.com>,
       Natalie Protasevich <protasnb@gmail.com>, Andi Kleen <ak@suse.de>,
       "Siddha, Suresh B" <suresh.b.siddha@intel.com>,
       Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [PATCH 12/14] x86_64 irq: Add constants for the reserved IRQ vectors.
Message-ID: <20070225211352.GA2690@elf.ucw.cz>
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Hi!

> Pavel Machek <pavel@ucw.cz> writes:
> 
> > BUILD_BUG_ON(x > 15) ? ;-).
> 
> That might work.  Can you use that in a constant expression?
> Still it is a complexity for a  handful of lines.
> 
> I would prefer to go with something simple at this point.

I was thinking something like

#define IRQ(n) ({ BUILD_BUG_ON(n > 15); n; })

...but I did not really test it, so...
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
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