Messages in this thread | | | Date | Mon, 17 Apr 2023 23:20:59 +0200 (CEST) | From | Richard Weinberger <> | Subject | Re: [PATCH] mtdchar: mark bits of ioctl handler noinline |
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----- Ursprüngliche Mail ----- > Von: "Arnd Bergmann" <arnd@kernel.org> > The addition of the mtdchar_read_ioctl() function caused the stack usage > of mtdchar_ioctl() to grow beyond the warning limit on 32-bit architectures > with gcc-13: > > drivers/mtd/mtdchar.c: In function 'mtdchar_ioctl': > drivers/mtd/mtdchar.c:1229:1: error: the frame size of 1488 bytes is larger than > 1024 bytes [-Werror=frame-larger-than=] > > Mark both the read and write portions as noinline_for_stack to ensure > they don't get inlined and use separate stack slots to reduce the > maximum usage, both in the mtdchar_ioctl() and combined with any > of its callees. > > Fixes: 095bb6e44eb1 ("mtdchar: add MEMREAD ioctl") > Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Richard Weinberger <richard@nod.at>
Thanks, //richard
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