On Wed, 2024-03-06 at 10:33 +0100, Lukas Bulwahn wrote: > 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. > I know why it hangs. I'll give it a think for a bit. I rather doubt Dan's suggestion is the appropriate one. Code is: volatile uint##size##_t uninit; \ and in checkpatch line 2304: $possible =~ s/\s*$Type\s*//g; where uint is a $Type it removes.
