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Date: Sat, 29 Jan 2022 10:00:01 +0800 From: kernel test robot <lkp@...el.com> To: Ard Biesheuvel <ardb@...nel.org> Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org Subject: [ardb:arm64-ro-page-tables-pkvm-v5.17 15/26] arch/arm64/kvm/hyp/nvhe/pgtable_protect.c:21:17: warning: suggest braces around empty body in an 'if' statement tree: git://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git arm64-ro-page-tables-pkvm-v5.17 head: b38f2df95cbf61e70bc32017da5318d1cb03e3e3 commit: fd08c6c28e7fe82f8ee86abb3d1a0e1dd8c704d8 [15/26] arm64: kvm: use HYP helpers to perform page table updates config: arm64-allyesconfig (https://download.01.org/0day-ci/archive/20220129/202201290900.iZd18OR6-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 11.2.0 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 # https://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git/commit/?id=fd08c6c28e7fe82f8ee86abb3d1a0e1dd8c704d8 git remote add ardb git://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git git fetch --no-tags ardb arm64-ro-page-tables-pkvm-v5.17 git checkout fd08c6c28e7fe82f8ee86abb3d1a0e1dd8c704d8 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm64 SHELL=/bin/bash arch/arm64/kvm/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@...el.com> All warnings (new ones prefixed by >>): arch/arm64/kvm/hyp/nvhe/pgtable_protect.c: In function 'inject_external_abort': >> arch/arm64/kvm/hyp/nvhe/pgtable_protect.c:21:17: warning: suggest braces around empty body in an 'if' statement [-Wempty-body] 21 | ; // TODO | ^ vim +/if +21 arch/arm64/kvm/hyp/nvhe/pgtable_protect.c 15 16 static void inject_external_abort(struct kvm_cpu_context *host_ctxt) 17 { 18 struct kvm_vcpu *vcpu = host_ctxt->__hyp_running_vcpu; 19 20 if (vcpu) > 21 ; // TODO 22 23 write_sysreg_el2(read_sysreg_el2(SYS_ELR) - 1, SYS_ELR); 24 } 25 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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