Re: [PATCH] fs/select: mark do_select noinline_for_stack for 32b

[Christoph Hellwig]

On Fri, Oct 07, 2022 at 01:11:40PM -0700, Nick Desaulniers wrote:
> Effectively a revert of
> commit ad312f95d41c ("fs/select: avoid clang stack usage warning")
> 
> Various configs can still push the stack useage of core_sys_select()
> over the CONFIG_FRAME_WARN threshold (1024B on 32b targets).
> 
>   fs/select.c:619:5: error: stack frame size of 1048 bytes in function
>   'core_sys_select' [-Werror,-Wframe-larger-than=]

Btw, I also see a warning here with all my KASAN x86_64 gcc builds.