Re: [PATCH 09/22] [v2] arch: fix asm-offsets.c building with -Wmissing-prototypes

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On Wed, Nov 08, 2023 at 01:58:30PM +0100, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@xxxxxxxx>
> 
> When -Wmissing-prototypes is enabled, the some asm-offsets.c files fail
> to build, even when this warning is disabled in the Makefile for normal
> files:
> 
> arch/sparc/kernel/asm-offsets.c:22:5: error: no previous prototype for 'sparc32_foo' [-Werror=missing-prototypes]
> arch/sparc/kernel/asm-offsets.c:48:5: error: no previous prototype for 'foo' [-Werror=missing-prototypes]
> 
> Address this by making use of the same trick as x86, marking these
> functions as 'static __used' to avoid the need for a prototype
> by not drop them in dead-code elimination.
> 
> Suggested-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
> Link: https://lore.kernel.org/lkml/CAK7LNARfEmFk0Du4Hed19eX_G6tUC5wG0zP+L1AyvdpOF4ybXQ@xxxxxxxxxxxxxx/
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Looks good. I sometimes looks at sparc patches so I looked at this one.
Reviewed-by: Sam Ravnborg <sam@xxxxxxxxxxxx>




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