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 <Gregory.Dietsche@cuw.edu> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.cz>
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make coccicheck COCCI=<my_SP.cocci> MODE=report
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Using Coccinelle on (modified) files
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Controlling Which Files are Processed by Coccinelle
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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By default the entire kernel source tree is checked.
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To apply Coccinelle to a specific directory, M= can be used.
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For example, to check drivers/net/wireless/ one may write:
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make coccicheck M=drivers/net/wireless/
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To apply Coccinelle on a file basis, instead of a directory basis, the
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following command may be used:
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