tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 7b2baa68ab7f9f7fc4023e8121ddb050b2e45f30 commit: bad4d8833739acc8eef306e7ad5c7877f9f4f0fb [15383/23901] etmem: add etmem-scan feature config: x86_64-randconfig-072-20241029 (https://download.01.org/0day-ci/archive/20241029/202410291925.OMbLBBuG-lkp@i...) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241029/202410291925.OMbLBBuG-lkp@i...) 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 <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202410291925.OMbLBBuG-lkp@intel.com/ All errors (new ones prefixed by >>): ld: warning: arch/x86/lib/csum-copy_64.o: missing .note.GNU-stack section implies executable stack ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker ld: warning: arch/x86/lib/csum-copy_64.o: missing .note.GNU-stack section implies executable stack ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker ld: warning: .tmp_vmlinux1 has a LOAD segment with RWX permissions ld: fs/proc/etmem_scan.o: in function `page_scan_release':

...

fs/proc/etmem_scan.c:823: undefined reference to `kvm_flush_remote_tlbs'

vim +823 fs/proc/etmem_scan.c 804 805 static int page_scan_release(struct inode *inode, struct file *file) 806 { 807 struct mm_struct *mm = file->private_data; 808 struct kvm *kvm; 809 int ret = 0; 810 811 if (!mm) { 812 ret = -EBADF; 813 goto out; 814 } 815 816 kvm = mm_kvm(mm); 817 if (!kvm) { 818 ret = -EINVAL; 819 goto out; 820 } 821 #ifdef CONFIG_X86_64 822 spin_lock(&kvm->mmu_lock);

823 kvm_flush_remote_tlbs(kvm); 824 spin_unlock(&kvm->mmu_lock); 825 #endif 826 827 out: 828 module_put(THIS_MODULE); 829 return ret; 830 } 831

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