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From: Markus Elfring <Markus.Elfring@web.de>
To: Sang-Heon Jeon <ekffu200098@gmail.com>,
	cocci@inria.fr, Julia Lawall <Julia.Lawall@inria.fr>,
	Nicolas Palix <nicolas.palix@imag.fr>
Cc: LKML <linux-kernel@vger.kernel.org>, kernel-janitors@vger.kernel.org
Subject: Re: [cocci] [PATCH 1/3] coccinelle: mini_lock: improve performance when searching loops
Date: Sun, 26 Jul 2026 15:55:33 +0200	[thread overview]
Message-ID: <c5a73800-59cd-4870-ae57-11fe832054b9@web.de> (raw)
In-Reply-To: <20260725113303.691676-2-ekffu200098@gmail.com>

…
> +++ b/scripts/coccinelle/locks/mini_lock.cocci
> @@ -53,11 +53,31 @@ spin_lock_irq@p1
>  spin_lock_irqsave@p1
>  ) (E1@p,...);
>  
> -@looped@
> +@err_candidate exists@
> +expression E1;
> +position prelocked.p;
> +position up != prelocked.p1;
> +position rc;
…

Can it help a bit to avoid the repetition of the type
for a few metavariables?

+position prelocked.p, up != prelocked.p1, rc;


Regards,
Markus

  reply	other threads:[~2026-07-26 13:55 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-25 11:32 [PATCH 0/3] coccinelle: improve performance of mini_lock, double_lock and minmax Sang-Heon Jeon
2026-07-25 11:32 ` [PATCH 1/3] coccinelle: mini_lock: improve performance when searching loops Sang-Heon Jeon
2026-07-26 13:55   ` Markus Elfring [this message]
2026-07-26 14:14     ` [cocci] " Julia Lawall
2026-07-26 16:42   ` Julia Lawall
2026-07-27 11:11     ` Sang-Heon Jeon
2026-07-25 11:32 ` [PATCH 2/3] coccinelle: double_lock: improve performance when no double lock exists Sang-Heon Jeon
2026-07-25 19:48   ` Julia Lawall
2026-07-26 10:28     ` Sang-Heon Jeon
2026-07-25 11:32 ` [PATCH 3/3] coccinelle: misc: minmax: improve performance when no candidate exists Sang-Heon Jeon
2026-07-26 16:11   ` Julia Lawall
2026-07-26 16:28     ` Sang-Heon Jeon

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