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V" , Emi Kisanuki , Vishal Annapurve Subject: Re: [PATCH v12 20/46] arm64: RMI: Allow populating initial contents Message-ID: <202512202203.1g4jywFB-lkp@intel.com> References: <20251217101125.91098-21-steven.price@arm.com> Precedence: bulk X-Mailing-List: linux-coco@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251217101125.91098-21-steven.price@arm.com> Hi Steven, kernel test robot noticed the following build warnings: [auto build test WARNING on linus/master] [also build test WARNING on v6.19-rc1 next-20251219] [cannot apply to kvmarm/next kvm/queue kvm/next arm64/for-next/core kvm/linux-next] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Steven-Price/kvm-arm64-Include-kvm_emulate-h-in-kvm-arm_psci-h/20251218-030351 base: linus/master patch link: https://lore.kernel.org/r/20251217101125.91098-21-steven.price%40arm.com patch subject: [PATCH v12 20/46] arm64: RMI: Allow populating initial contents config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20251220/202512202203.1g4jywFB-lkp@intel.com/config) compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251220/202512202203.1g4jywFB-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202512202203.1g4jywFB-lkp@intel.com/ All warnings (new ones prefixed by >>): >> arch/arm64/kvm/rmi.c:805:16: warning: variable 'data_flags' set but not used [-Wunused-but-set-variable] 805 | unsigned long data_flags = 0; | ^ 1 warning generated. vim +/data_flags +805 arch/arm64/kvm/rmi.c 801 802 int kvm_arm_rmi_populate(struct kvm *kvm, 803 struct kvm_arm_rmi_populate *args) 804 { > 805 unsigned long data_flags = 0; 806 unsigned long ipa_start = args->base; 807 unsigned long ipa_end = ipa_start + args->size; 808 int ret; 809 810 if (args->reserved || 811 (args->flags & ~KVM_ARM_RMI_POPULATE_FLAGS_MEASURE) || 812 !IS_ALIGNED(ipa_start, PAGE_SIZE) || 813 !IS_ALIGNED(ipa_end, PAGE_SIZE)) 814 return -EINVAL; 815 816 ret = realm_ensure_created(kvm); 817 if (ret) 818 return ret; 819 820 if (args->flags & KVM_ARM_RMI_POPULATE_FLAGS_MEASURE) 821 data_flags |= RMI_MEASURE_CONTENT; 822 823 ret = populate_region(kvm, gpa_to_gfn(ipa_start), 824 args->size >> PAGE_SHIFT, 825 args->source_uaddr, args->flags); 826 827 if (ret < 0) 828 return ret; 829 830 return ret * PAGE_SIZE; 831 } 832 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki