On Mon, Nov 9, 2020 at 1:19 AM Nathan Chancellor
<natechancel...@gmail.com> wrote:
> Patch "treewide: Remove stringification from __alias macro definition"
> causes arguments to __alias to no longer be quoted automatically, which
> breaks CONFIG_KASAN on ARM after commit d6d51a96c7d6 ("ARM: 9014/2:
> Replace string mem* functions for KASan"):
>
> arch/arm/boot/compressed/string.c:24:1: error: attribute 'alias' argument not
> a string
> 24 | void *__memcpy(void *__dest, __const void *__src, size_t __n)
> __alias(memcpy);
> | ^~~~
> arch/arm/boot/compressed/string.c:25:1: error: attribute 'alias' argument not
> a string
> 25 | void *__memmove(void *__dest, __const void *__src, size_t count)
> __alias(memmove);
> | ^~~~
> arch/arm/boot/compressed/string.c:26:1: error: attribute 'alias' argument not
> a string
> 26 | void *__memset(void *s, int c, size_t count) __alias(memset);
> | ^~~~
> make[3]: *** [scripts/Makefile.build:283: arch/arm/boot/compressed/string.o]
> Error 1
>
> Quote the names like the treewide patch does so there is no more error.
>
> Reported-by: Naresh Kamboju <naresh.kamb...@linaro.org>
> Reported-by: Valdis Klētnieks <valdis.kletni...@vt.edu>
> Signed-off-by: Nathan Chancellor <natechancel...@gmail.com>
Reviewed-by: Linus Walleij <linus.wall...@linaro.org>
> Hi Andrew,
>
> Stephen said I should send this along to you so that it can be applied
> as part of the post -next series. Please let me know if you need any
> more information or clarification, I tried to document it succinctly in
> the commit message.
I wasn't even aware that there was such a thing as post-next.
Thanks,
Linus Walleij
