linux-kernel - Re: [PATCH] intel-iommu: fix build with CONFIG_BRANCH

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Message-ID: <20090407151224.GA14486@elte.hu>
Date:	Tue, 7 Apr 2009 17:12:24 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	David Woodhouse <dwmw2@...radead.org>,
	iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] intel-iommu: fix build with CONFIG_BRANCH_TRACER=y


* Linus Torvalds <torvalds@...ux-foundation.org> wrote:

> On Tue, 7 Apr 2009, Linus Torvalds wrote:
> > 
> > Can we please do it something like the following instead:
> > 
> > 	#define if(a, ...) \
> > 		__trace_if( (a, ## __VA_ARGS__) )
> > 
> > so that you don't need to do that ", ## __VA_ARGS__" thing three times?
> 
> IOW, does this (TOTALLY UNTESTED) patch work?

i've done some (very light) testing and it works here.

	Ingo
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