linux-kernel - [PATCH v3 5/8] scripts: add Linux .cocciconfig for coccinelle

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Date:	Tue, 21 Jun 2016 12:21:30 -0700
From:	"Luis R. Rodriguez" <mcgrof@...nel.org>
To:	Julia.Lawall@...6.fr, Gilles.Muller@...6.fr, nicolas.palix@...g.fr,
	mmarek@...e.com
Cc:	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	gregkh@...uxfoundation.org, markivx@...eaurora.org,
	stephen.boyd@...aro.org, zohar@...ux.vnet.ibm.com,
	broonie@...nel.org, ming.lei@...onical.com, tiwai@...e.de,
	johannes@...solutions.net, chunkeey@...glemail.com,
	hauke@...ke-m.de, jwboyer@...oraproject.org,
	dmitry.torokhov@...il.com, dwmw2@...radead.org, jslaby@...e.com,
	torvalds@...ux-foundation.org, deepa.kernel@...il.com,
	cocci@...teme.lip6.fr, "Luis R. Rodriguez" <mcgrof@...nel.org>
Subject: [PATCH v3 5/8] scripts: add Linux .cocciconfig for coccinelle

Help Coccinelle when used against Linux with a set of sensible defaults
options for Linux. This hints to coccinelle git can be used for 'git grep'
queries over coccigrep. A timeout of 200 seconds should suffice for now.

If you use idutils you can override for 'make coccicheck' by using the
SPFLAGS option as follows:

First build the index, for example:
mkid -s

Pick the cocci file you wnat to work with:
export COCCI=scripts/coccinelle/misc/irqf_oneshot.cocci

Then run coccicheck:
$ make coccicheck V=1 MODE=report SPFLAGS="--use-idutils ID"

Coccinelle supports reading .cocciconfig from different directories,
the later one overriding the previous reads in the following order:

 o Your current user's home directory is processed first
 o Your directory from which spatch is called is processed next
 o The directory provided with the --dir option is processed last, if used

Signed-off-by: Luis R. Rodriguez <mcgrof@...nel.org>
---
 .cocciconfig | 3 +++
 .gitignore   | 1 +
 2 files changed, 4 insertions(+)
 create mode 100644 .cocciconfig

diff --git a/.cocciconfig b/.cocciconfig
new file mode 100644
index 000000000000..43967c6b2015
--- /dev/null
+++ b/.cocciconfig
@@ -0,0 +1,3 @@
+[spatch]
+	options = --timeout 200
+	options = --use-gitgrep
diff --git a/.gitignore b/.gitignore
index 2be25f771bd8..c2ed4ecb0acd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -67,6 +67,7 @@ Module.symvers
 #
 !.gitignore
 !.mailmap
+!.cocciconfig
 
 #
 # Generated include files
-- 
2.8.2