coccinelle.txt: update documentation to include M= option

Adding documentation for the new M= option which limits Coccinelle to a specific set of directories. Signed-off-by: Greg Dietsche <[email protected]> Acked-by: Julia Lawall <[email protected]> Signed-off-by: Michal Marek <[email protected]>
TechNexion · Jan 14, 2012 · f95ab20 · f95ab20
1 parent d0bc1fb
commit f95ab20
Showing 1 changed file with 8 additions and 2 deletions.
diff --git a/Documentation/coccinelle.txt b/Documentation/coccinelle.txt
@@ -102,9 +102,15 @@ or
 	make coccicheck COCCI=<my_SP.cocci> MODE=report
 
 
- Using Coccinelle on (modified) files
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ Controlling Which Files are Processed by Coccinelle
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+By default the entire kernel source tree is checked.
+
+To apply Coccinelle to a specific directory, M= can be used.
+For example, to check drivers/net/wireless/ one may write:
 
+    make coccicheck M=drivers/net/wireless/
+
 To apply Coccinelle on a file basis, instead of a directory basis, the
 following command may be used: