linux-kernel - Re: [RESEND 3/3] coccicheck: add parallel execution

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Message-ID: <4EE51709.1030305@suse.cz>
Date:	Sun, 11 Dec 2011 21:48:09 +0100
From:	Michal Marek <mmarek@...e.cz>
To:	Gregory.Dietsche@....edu
Cc:	julia@...u.dk, Gilles.Muller@...6.fr, npalix.work@...il.com,
	rdunlap@...otime.net, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, cocci@...u.dk
Subject: Re: [RESEND 3/3] coccicheck: add parallel execution

On 6.11.2011 03:14, Gregory.Dietsche@....edu wrote:
> +		coccinelle $f>/tmp/cocci_parallel_$$_$PARALLEL_ID 2>&1 &

This opens a symlink race.

And this whole parallel execution should be done by make. Just have a
generic rule for getting result from a single check, make the default
target depend on the list of the wanted results and concatenate the
results there. make -j will then take of parallelizing it.

Michal
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