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From: Al Viro <viro@ftp.linux.org.uk>
To: Christopher Li <sparse@chrisli.org>
Cc: Andi Kleen <ak@suse.de>,
	linux-sparse@vger.kernel.org,
	linux kernel mail list <linux-kernel@vger.kernel.org>,
	Josh Triplett <josh@freedesktop.org>
Subject: Re: [ANNOUNCE] sparse-0.2-cl2 is now available
Date: Sun, 11 Feb 2007 05:50:15 +0000	[thread overview]
Message-ID: <20070211055015.GR10050@ftp.linux.org.uk> (raw)
In-Reply-To: <20070211051758.GA2113@chrisli.org>

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...

  reply	other threads:[~2007-02-11  5:50 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20070204085329.GA6520@chrisli.org>
2007-02-10  0:00 ` Christopher Li
2007-02-10 17:33   ` Andi Kleen
2007-02-11  5:17     ` Christopher Li
2007-02-11  5:50       ` Al Viro [this message]
2007-02-11  6:02         ` Christopher Li
2007-02-11 10:41           ` Andi Kleen

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