linux-kernel - Re: sparse -Wptr-subtraction-blows: still needed?

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Date:	Tue, 1 May 2007 14:43:30 -0700 (PDT)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Josh Triplett <josh@...edesktop.org>
cc:	linux-sparse@...r.kernel.org, linux-kernel@...r.kernel.org,
	Al Viro <viro@....linux.org.uk>
Subject: Re: sparse -Wptr-subtraction-blows: still needed?



On Tue, 1 May 2007, Josh Triplett wrote:
> 
> Does this still apply?  Do current versions of GCC still have this problem?
> If not, can the option and warning go away?

Even if current versions of gcc don't triple the build time (and for the 
kernel, I suspect it doesn't, because we've tried to clean up our header 
files), the generated _code_ will invariably suck.

So I'd not want to remove the warning.

		Linus
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