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Sat, 18 Jun 2022 20:52:49 -0700 (PDT) Received: from server.roeck-us.net ([2600:1700:e321:62f0:329c:23ff:fee3:9d7c]) by smtp.gmail.com with ESMTPSA id jd11-20020a170903260b00b0016a0d350b78sm2803112plb.58.2022.06.18.20.52.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 18 Jun 2022 20:52:48 -0700 (PDT) From: Guenter Roeck To: Michael Ellerman Subject: [PATCH] powerpc/prom_init: Add memset as valid external symbol if CONFIG_KASAN=y Date: Sat, 18 Jun 2022 20:52:46 -0700 Message-Id: <20220619035246.2633538-1-linux@roeck-us.net> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-kernel@vger.kernel.org, ul Mackerras , linuxppc-dev@lists.ozlabs.org, Guenter Roeck , Daniel Axtens Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" If CONFIG_KASAN=y, powerpc:allmodconfig fails to build with the following error. Error: External symbol 'memset' referenced from prom_init.c The problem was introduced with commit 41b7a347bf14 ("powerpc: Book3S 64-bit outline-only KASAN support"). So far, with CONFIG_KASAN=y, only __memset was accepted as valid external symbol in prom_init_check.sh. Add memset as well to fix the problem. Fixes: 41b7a347bf14 ("powerpc: Book3S 64-bit outline-only KASAN support") Cc: Michael Ellerman Cc: Daniel Axtens Signed-off-by: Guenter Roeck --- arch/powerpc/kernel/prom_init_check.sh | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/kernel/prom_init_check.sh b/arch/powerpc/kernel/prom_init_check.sh index b183ab9c5107..787142b5dd26 100644 --- a/arch/powerpc/kernel/prom_init_check.sh +++ b/arch/powerpc/kernel/prom_init_check.sh @@ -16,7 +16,7 @@ grep "^CONFIG_KASAN=y$" .config >/dev/null if [ $? -eq 0 ] then - MEM_FUNCS="__memcpy __memset" + MEM_FUNCS="__memcpy __memset memset" else MEM_FUNCS="memcpy memset" fi