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[35.185.214.157]) by smtp.gmail.com with ESMTPSA id j185sm515591pfb.86.2021.07.27.09.07.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Jul 2021 09:07:52 -0700 (PDT) Date: Tue, 27 Jul 2021 16:07:48 +0000 From: Sean Christopherson To: kernel test robot Cc: Aaron Lewis , kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Paolo Bonzini , Alexander Graf Subject: Re: lib/x86_64/handlers.S:20: Error: unrecognized instruction `call route_exception' Message-ID: References: <202107270520.DIJjv4ia-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <202107270520.DIJjv4ia-lkp@intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jul 27, 2021, kernel test robot wrote: > Hi Aaron, > > First bad commit (maybe != root cause): > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > head: ff1176468d368232b684f75e82563369208bc371 > commit: 29faeb9632012d6c3fa4aa33c3d589b9ff18b206 selftests: kvm: Add exception handling to selftests > date: 9 months ago > config: openrisc-randconfig-s031-20210726 (attached as .config) > compiler: or1k-linux-gcc (GCC) 10.3.0 > reproduce: > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # apt-get install sparse > # sparse version: v0.6.3-341-g8af24329-dirty > # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=29faeb9632012d6c3fa4aa33c3d589b9ff18b206 > git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > git fetch --no-tags linus master > git checkout 29faeb9632012d6c3fa4aa33c3d589b9ff18b206 > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross C=1 > CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=openrisc > SHELL=/bin/bash -C tools/testing/selftests install KVM's selftests don't play nice with cross-compiles for unsupported architectures. arm64 and s390 have expilict x86_64 -> {arm64,s390} support from commit 66d69e081b52 ("selftests: fix kvm relocatable native/cross builds and installs"), but for anything else the Makefile assumes an x86_64 target. Realistically, only test bots are going to run afoul of our laziness. Do we care enough to fix this up properly?