linux-kernel - Re: [PATCH] Put the BUG __FILE__ and __LINE_

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Message-ID: <451BA434.9020409@goop.org>
Date:	Thu, 28 Sep 2006 03:30:12 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Andi Kleen <ak@....de>
CC:	Andrew Morton <akpm@...l.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Put the BUG __FILE__ and __LINE__ info out of line

Andi Kleen wrote:
> But no out of line section. So overall it's smaller, although the cache footprint
> is 2 bytes larger. But then is 2 bytes larger really an issue? We don't have
> _that_ many BUGs anyways.
>   

I think the out of line section is a feature; no point in crufting up 
the icache with BUG gunk, especially since a number of them are on 
fairly hot paths.

> I'll port the x86-64 way over to i386

It's neat, and it would solve my immediate problem, but I think my way 
is actually better.

    J
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