Re: [cocci] [PATCH v2 02/21] coccinelle: misc: Add secs_to_jiffies script

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Why is a change description missing here?


…
> +++ b/scripts/coccinelle/misc/secs_to_jiffies.cocci
> @@ -0,0 +1,21 @@
…
> +/// Find usages of:
> +/// - msecs_to_jiffies(value*1000)
> +/// - msecs_to_jiffies(value*MSEC_PER_SEC)

I suggest to take another look at corresponding development documentation.
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/dev-tools/coccinelle.rst?h=v6.12-rc7#n71

Will the attention grow for the proper usage of operation modes
according to the tool “coccicheck”?


…
> +// Copyright: (C) 2024 Easwar Hariharan Microsoft

Should personal details and company names be better distinguished in such information?


> +//
> +// Keywords: secs, seconds, jiffies

May a (blank) comment line be omitted here?


> +@@ constant C; @@
> +
> +- msecs_to_jiffies(C * 1000)
> ++ secs_to_jiffies(C)
> +
> +@@ constant C; @@
> +
> +- msecs_to_jiffies(C * MSEC_PER_SEC)
> ++ secs_to_jiffies(C)

I suggest to take a SmPL code variant (like the following)
better into account.


@depends on patch@
constant C;
@@
-msecs_to_jiffies
+secs_to_jiffies
 (C
- * \( 1000 \| MSEC_PER_SEC \)
 )


Can any expressions become relevant besides “constants”?

Regards,
Markus





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