Re: [PATCH] ARM: boot: Quote aliased symbol names in string.c

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On Mon, Nov 9, 2020 at 1:19 AM Nathan Chancellor
<natechancellor@xxxxxxxxx> 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.kamboju@xxxxxxxxxx>
> Reported-by: Valdis Klētnieks <valdis.kletnieks@xxxxxx>
> Signed-off-by: Nathan Chancellor <natechancellor@xxxxxxxxx>

Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>

> 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




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