linux-kernel - Re: coccinelle and bitmask arithmetic (was: Re: [patch] TTY: synclink, small cleanup in dtr

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Date:	Tue, 29 Jan 2013 08:31:04 -0800
From:	Joe Perches <joe@...ches.com>
To:	Julia Lawall <julia.lawall@...6.fr>
Cc:	Valdis.Kletnieks@...edu, cocci@...teme.lip6.fr,
	Dan Carpenter <dan.carpenter@...cle.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jslaby@...e.cz>,
	Paul Fulghum <paulkf@...rogate.com>,
	David Howells <dhowells@...hat.com>,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: coccinelle and bitmask arithmetic (was: Re: [patch] TTY:
 synclink, small cleanup in dtr_rts())

On Tue, 2013-01-29 at 17:19 +0100, Julia Lawall wrote:
> > On Tue, 2013-01-29 at 10:55 -0500, Valdis.Kletnieks@...edu wrote:
[]
> > > I wonder if there's a way to write a coccinelle patch to find places
> > > where we do arithmetic operations on bitmasks....
[]
> If the definition of a bitmask is an identifier in all capital letters,
> that would be easy.  Another possibility is such an identifier that is
> defined to a value expressed beginning with 0x.  Another possibility is
> such an identifier that is sometimes used with & and | and sometimes used
> with an arithmetic operation.  I will give them a try.

Thanks Julia.


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