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Thu, 25 Jun 2020 09:16:04 +0100 MIME-Version: 1.0 Date: Thu, 25 Jun 2020 09:16:03 +0100 From: Marc Zyngier To: kernel test robot Subject: Re: [PATCH v3 08/15] arm64: kvm: Split hyp/switch.c to VHE/nVHE In-Reply-To: <202006251244.YDWclRrq%lkp@intel.com> References: <20200618122537.9625-9-dbrazdil@google.com> <202006251244.YDWclRrq%lkp@intel.com> User-Agent: Roundcube Webmail/1.4.5 Message-ID: X-Sender: maz@kernel.org X-SA-Exim-Connect-IP: 51.254.78.96 X-SA-Exim-Rcpt-To: lkp@intel.com, dbrazdil@google.com, will@kernel.org, catalin.marinas@arm.com, james.morse@arm.com, julien.thierry.kdev@gmail.com, suzuki.poulose@arm.com, kbuild-all@lists.01.org, clang-built-linux@googlegroups.com, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, android-kvm@google.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kbuild-all@lists.01.org, Suzuki K Poulose , android-kvm@google.com, Catalin Marinas , linux-kernel@vger.kernel.org, clang-built-linux@googlegroups.com, James Morse , linux-arm-kernel@lists.infradead.org, David Brazdil , Will Deacon , kvmarm@lists.cs.columbia.edu, Julien Thierry Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 2020-06-25 06:03, kernel test robot wrote: > Hi David, > > Thank you for the patch! Perhaps something to improve: > > [auto build test WARNING on linus/master] > [also build test WARNING on v5.8-rc2 next-20200624] > [cannot apply to kvmarm/next arm64/for-next/core > arm-perf/for-next/perf] > [If your patch is applied to the wrong git tree, kindly drop us a note. > And when submitting patch, we suggest to use as documented in > https://git-scm.com/docs/git-format-patch] > > url: > https://github.com/0day-ci/linux/commits/David-Brazdil/Split-off-nVHE-hyp-code/20200618-203230 > base: > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > 1b5044021070efa3259f3e9548dc35d1eb6aa844 > config: arm64-randconfig-r021-20200624 (attached as .config) > compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project > 8911a35180c6777188fefe0954a2451a2b91deaf) > reproduce (this is a W=1 build): > wget > https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross > -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # install arm64 cross compiling tool for clang build > # apt-get install binutils-aarch64-linux-gnu > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross > ARCH=arm64 > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot > > All warnings (new ones prefixed by >>): > >>> arch/arm64/kvm/hyp/nvhe/switch.c:244:28: warning: no previous >>> prototype for function 'hyp_panic' [-Wmissing-prototypes] > void __hyp_text __noreturn hyp_panic(struct kvm_cpu_context > *host_ctxt) I really wish we could turn these warnings off. They don't add much. Or is there an annotation we could stick on the function (something like __called_from_asm_please_leave_me_alone springs to mind...)? M. -- Jazz is not dead. It just smells funny... _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel