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([2600:8802:b00:ba1:dccb:1016:4667:352b]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7490a6b3aa5sm6635272b3a.166.2025.06.22.13.29.23 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 22 Jun 2025 13:29:23 -0700 (PDT) Message-ID: <67b9cfd5-b06f-48a3-9d26-c3fa3ab867ad@gmail.com> Date: Sun, 22 Jun 2025 13:29:22 -0700 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] ARM: export __memset/__memcpy/__memmove To: Arnd Bergmann , Russell King Cc: Arnd Bergmann , Abbott Liu , Ard Biesheuvel , Linus Walleij , Ahmad Fatoum , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20250620111257.3365489-1-arnd@kernel.org> Content-Language: en-US From: Florian Fainelli In-Reply-To: <20250620111257.3365489-1-arnd@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 20/06/2025 04:12, Arnd Bergmann wrote: > From: Arnd Bergmann > > When KASAN is locally disabled for one file, the string functions > get redirected to internal helpers, but those are not actually exported, > so this only works in built-in code but fails for loadable modules: > > ERROR: modpost: "__memset" [crypto/ecc.ko] undefined! > ERROR: modpost: "__memcpy" [crypto/ecc.ko] undefined! > > Add the missig exports. > > Fixes: d6d51a96c7d6 ("ARM: 9014/2: Replace string mem* functions for KASan") > Signed-off-by: Arnd Bergmann Acked-by: Florian Fainelli -- Florian