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Sun, 08 Nov 2020 16:19:13 -0800 (PST) From: Nathan Chancellor To: Andrew Morton Cc: Abbott Liu , Ahmad Fatoum , Andrey Ryabinin , Ard Biesheuvel , Florian Fainelli , Linus Walleij , Joe Perches , Russell King , Stephen Rothwell , kasan-dev@googlegroups.com, linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, linux-next@vger.kernel.org, linux-kernel@vger.kernel.org, Nathan Chancellor , Naresh Kamboju , =?UTF-8?q?Valdis=20Kl=C4=93tnieks?= Subject: [PATCH] ARM: boot: Quote aliased symbol names in string.c Date: Sun, 8 Nov 2020 17:17:13 -0700 Message-Id: <20201109001712.3384097-1-natechancellor@gmail.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201108222156.GA1049451@ubuntu-m3-large-x86> References: <20201108222156.GA1049451@ubuntu-m3-large-x86> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Patchwork-Bot: notify Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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) __a= lias(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 Reported-by: Valdis Kl=C4=93tnieks Signed-off-by: Nathan Chancellor --- 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. Cheers, Nathan arch/arm/boot/compressed/string.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm/boot/compressed/string.c b/arch/arm/boot/compressed= /string.c index 8c0fa276d994..cc6198f8a348 100644 --- a/arch/arm/boot/compressed/string.c +++ b/arch/arm/boot/compressed/string.c @@ -21,9 +21,9 @@ #undef memcpy #undef memmove #undef memset -void *__memcpy(void *__dest, __const void *__src, size_t __n) __alias(me= mcpy); -void *__memmove(void *__dest, __const void *__src, size_t count) __alias= (memmove); -void *__memset(void *s, int c, size_t count) __alias(memset); +void *__memcpy(void *__dest, __const void *__src, size_t __n) __alias("m= emcpy"); +void *__memmove(void *__dest, __const void *__src, size_t count) __alias= ("memmove"); +void *__memset(void *s, int c, size_t count) __alias("memset"); #endif =20 void *memcpy(void *__dest, __const void *__src, size_t __n) --=20 2.29.2