linux-kernel - Re: [ANNOUNCE] sparse-0.2-cl2 is now available

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Message-ID: <20070211055015.GR10050@ftp.linux.org.uk>
Date:	Sun, 11 Feb 2007 05:50:15 +0000
From:	Al Viro <viro@....linux.org.uk>
To:	Christopher Li <sparse@...isli.org>
Cc:	Andi Kleen <ak@...e.de>, linux-sparse@...r.kernel.org,
	linux kernel mail list <linux-kernel@...r.kernel.org>,
	Josh Triplett <josh@...edesktop.org>
Subject: Re: [ANNOUNCE] sparse-0.2-cl2 is now available

On Sat, Feb 10, 2007 at 09:17:58PM -0800, Christopher Li wrote:
> e.g. sparse has not way to know some function only get called with interrupt
> disabled (or some lock already hold). So it assume interrupt is still
> enable and generate wrong warnings. Another example is that some helper
> function will wrap the locking function. Complain about the exit with locking
> hold is wrong.
> 
> I am hoping adding the cross function checking will reduce those false positive.
> Any way, it need more information to reduce false positive.
> 
> I am still working on the cross function checking. May be it will become
> more useful one day.

I have some stuff in that direction, but it take some resurrecting...
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