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Mon, 21 Apr 2025 16:23:04 +0200 (CEST) X-Virus-Scanned: amavisd-new at boeck5.rrze.uni-erlangen.de (RRZE) X-RRZE-Flag: Not-Spam X-RRZE-Submit-IP: 2001:9e8:3600:7e00:5b67:6b9c:caeb:75c Received: from localhost (unknown [IPv6:2001:9e8:3600:7e00:5b67:6b9c:caeb:75c]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: U2FsdGVkX1+yS0Gm16sXrv8zOrS9nARAtw0fhZkEU8I=) by smtp-auth.uni-erlangen.de (Postfix) with ESMTPSA id 4Zh6yw2GKwzPjsn; Mon, 21 Apr 2025 16:22:48 +0200 (CEST) From: Luis Gerhorst To: kernel test robot Cc: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Martin KaFai Lau , Eduard Zingerman , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Puranjay Mohan , Xu Kuohai , Catalin Marinas , Will Deacon , Hari Bathini , Christophe Leroy , Naveen N Rao , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , Mykola Lysenko , Shuah Khan , Henriette Herzog , Saket Kumar Bhaskar , Cupertino Miranda , Jiayuan Chen , Matan Shachnai , oe-kbuild-all@lists.linux.dev, bpf@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-kselftest@vger.kernel.org, henriette.herzog@rub.de Subject: Re: [PATCH bpf-next v2 05/11] bpf, arm64, powerpc: Add bpf_jit_bypass_spec_v1/v4() In-Reply-To: <202504212142.V3yjAcaI-lkp@intel.com> (kernel test robot's message of "Mon, 21 Apr 2025 21:17:56 +0800") References: <20250421091802.3234859-6-luis.gerhorst@fau.de> <202504212142.V3yjAcaI-lkp@intel.com> User-Agent: mu4e 1.12.8; emacs 29.4 Date: Mon, 21 Apr 2025 16:22:47 +0200 Message-ID: <87r01lzj9k.fsf@fau.de> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain kernel test robot writes: > All warnings (new ones prefixed by >>): > >>> kernel/bpf/core.c:3037:13: warning: no previous prototype for 'bpf_jit_bypass_spec_v1' [-Wmissing-prototypes] > 3037 | bool __weak bpf_jit_bypass_spec_v1(void) > | ^~~~~~~~~~~~~~~~~~~~~~ >>> kernel/bpf/core.c:3042:13: warning: no previous prototype for 'bpf_jit_bypass_spec_v4' [-Wmissing-prototypes] > 3042 | bool __weak bpf_jit_bypass_spec_v4(void) > | ^~~~~~~~~~~~~~~~~~~~~~ That's because the prototypes in include/linux/bpf.h were in the #ifdef CONFIG_BPF_SYSCALL. I fixed this for v3 by moving the prototypes out of the ifdef.