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From: Linus Walleij <linus.walleij@linaro.org>
To: Nathan Chancellor <natechancellor@gmail.com>
Cc: "Andrew Morton" <akpm@linux-foundation.org>,
	"Abbott Liu" <liuwenliang@huawei.com>,
	"Ahmad Fatoum" <a.fatoum@pengutronix.de>,
	"Andrey Ryabinin" <aryabinin@virtuozzo.com>,
	"Ard Biesheuvel" <ardb@kernel.org>,
	"Florian Fainelli" <f.fainelli@gmail.com>,
	"Joe Perches" <joe@perches.com>,
	"Russell King" <linux@armlinux.org.uk>,
	"Stephen Rothwell" <sfr@canb.auug.org.au>,
	kasan-dev <kasan-dev@googlegroups.com>,
	"Linux ARM" <linux-arm-kernel@lists.infradead.org>,
	"Linux Memory Management List" <linux-mm@kvack.org>,
	"Linux-Next Mailing List" <linux-next@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"Naresh Kamboju" <naresh.kamboju@linaro.org>,
	"Valdis Klētnieks" <valdis.kletnieks@vt.edu>
Subject: Re: [PATCH] ARM: boot: Quote aliased symbol names in string.c
Date: Mon, 9 Nov 2020 17:04:35 +0100	[thread overview]
Message-ID: <CACRpkdZV3nPZ29MmKXfw87eL+3CcOXC5LTeQf5WuLRsrJeEKLA@mail.gmail.com> (raw)
In-Reply-To: <20201109001712.3384097-1-natechancellor@gmail.com>

On Mon, Nov 9, 2020 at 1:19 AM Nathan Chancellor
<natechancellor@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.kamboju@linaro.org>
> Reported-by: Valdis Klētnieks <valdis.kletnieks@vt.edu>
> Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>

Reviewed-by: Linus Walleij <linus.walleij@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

      parent reply	other threads:[~2020-11-09 16:04 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-07 18:33 next-20201105 - build issue with KASAN on ARM Valdis Klētnieks
2020-11-07 20:04 ` Nathan Chancellor
2020-11-08 22:19   ` Stephen Rothwell
2020-11-08 22:21     ` Nathan Chancellor
2020-11-09  0:17       ` [PATCH] ARM: boot: Quote aliased symbol names in string.c Nathan Chancellor
2020-11-09  7:40         ` Ard Biesheuvel
2020-11-09 16:04         ` Linus Walleij [this message]

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