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From: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Date: Wed, 6 Mar 2024 10:33:55 +0100
Message-ID: <CAKXUXMwCdV466mRd4K0ePV73qDO9GRAph4KuC5nQ0JAp-ouemQ@mail.gmail.com>
Subject: checkpatch.pl getting stuck on a macro in mm/kmsan/kmsan_test.c
To: Joe Perches <joe@perches.com>
Cc: kernel-janitors <kernel-janitors@vger.kernel.org>, 
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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Dear Joe,

while running checkpatch.pl -f on all files in the kernel repository
(v6.8-rc1) for some experiment, I noticed that checkpatch.pl got stuck
on mm/kmsan/kmsan_test.c, i.e., ./scripts/checkpatch.pl -f
mm/kmsan/kmsan_test.c never terminates.

I could already boil it down to checkpatch getting stuck on the macro
#define DEFINE_TEST_MEMSETXX(size), see lines 541 to 554 in
mm/kmsan/kmsan_test.c on v6.8-rc1.

I do not know if it is worth fixing, but certainly I was surprised
that reasonable code can put checkpatch into some stuck state.

Best regards,

Lukas