Hi Lilit, kernel test robot noticed the following build errors: [auto build test ERROR on powerpc/topic/ppc-kvm] [also build test ERROR on v6.11] [cannot apply to kvmarm/next kvm/queue linus/master kvm/linux-next next-20240918] [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/Lilit-Janpoladyan/arm64-add-an-interface-for-stage-2-page-tracking/20240918-233004 base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git topic/ppc-kvm patch link: https://lore.kernel.org/r/20240918152807.25135-5-lilitj%40amazon.com patch subject: [PATCH 4/8] KVM: return value from kvm_arch_sync_dirty_log config: s390-allyesconfig (https://download.01.org/0day-ci/archive/20240919/202409190941.BQaCqQSk-lkp@xxxxxxxxx/config) compiler: s390-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240919/202409190941.BQaCqQSk-lkp@xxxxxxxxx/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 <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202409190941.BQaCqQSk-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): arch/s390/kvm/kvm-s390.c: In function 'kvm_arch_sync_dirty_log': >> arch/s390/kvm/kvm-s390.c:705:25: error: 'return' with no value, in function returning non-void [-Wreturn-mismatch] 705 | return; | ^~~~~~ arch/s390/kvm/kvm-s390.c:680:5: note: declared here 680 | int kvm_arch_sync_dirty_log(struct kvm *kvm, struct kvm_memory_slot *memslot) | ^~~~~~~~~~~~~~~~~~~~~~~ vim +/return +705 arch/s390/kvm/kvm-s390.c 5b5865e81387b9 Lilit Janpoladyan 2024-09-18 679 522a3b6f0285f5 Lilit Janpoladyan 2024-09-18 680 int kvm_arch_sync_dirty_log(struct kvm *kvm, struct kvm_memory_slot *memslot) 15f36ebd34b5b2 Jason J. Herne 2012-08-02 681 { 0959e168678d2d Janosch Frank 2018-07-17 682 int i; 15f36ebd34b5b2 Jason J. Herne 2012-08-02 683 gfn_t cur_gfn, last_gfn; 0959e168678d2d Janosch Frank 2018-07-17 684 unsigned long gaddr, vmaddr; 15f36ebd34b5b2 Jason J. Herne 2012-08-02 685 struct gmap *gmap = kvm->arch.gmap; 0959e168678d2d Janosch Frank 2018-07-17 686 DECLARE_BITMAP(bitmap, _PAGE_ENTRIES); 15f36ebd34b5b2 Jason J. Herne 2012-08-02 687 0959e168678d2d Janosch Frank 2018-07-17 688 /* Loop over all guest segments */ 0959e168678d2d Janosch Frank 2018-07-17 689 cur_gfn = memslot->base_gfn; 15f36ebd34b5b2 Jason J. Herne 2012-08-02 690 last_gfn = memslot->base_gfn + memslot->npages; 0959e168678d2d Janosch Frank 2018-07-17 691 for (; cur_gfn <= last_gfn; cur_gfn += _PAGE_ENTRIES) { 0959e168678d2d Janosch Frank 2018-07-17 692 gaddr = gfn_to_gpa(cur_gfn); 0959e168678d2d Janosch Frank 2018-07-17 693 vmaddr = gfn_to_hva_memslot(memslot, cur_gfn); 0959e168678d2d Janosch Frank 2018-07-17 694 if (kvm_is_error_hva(vmaddr)) 0959e168678d2d Janosch Frank 2018-07-17 695 continue; 0959e168678d2d Janosch Frank 2018-07-17 696 0959e168678d2d Janosch Frank 2018-07-17 697 bitmap_zero(bitmap, _PAGE_ENTRIES); 0959e168678d2d Janosch Frank 2018-07-17 698 gmap_sync_dirty_log_pmd(gmap, bitmap, gaddr, vmaddr); 0959e168678d2d Janosch Frank 2018-07-17 699 for (i = 0; i < _PAGE_ENTRIES; i++) { 0959e168678d2d Janosch Frank 2018-07-17 700 if (test_bit(i, bitmap)) 0959e168678d2d Janosch Frank 2018-07-17 701 mark_page_dirty(kvm, cur_gfn + i); 0959e168678d2d Janosch Frank 2018-07-17 702 } 15f36ebd34b5b2 Jason J. Herne 2012-08-02 703 1763f8d09d522b Christian Borntraeger 2016-02-03 704 if (fatal_signal_pending(current)) 1763f8d09d522b Christian Borntraeger 2016-02-03 @705 return; 70c88a00fbf659 Christian Borntraeger 2016-02-02 706 cond_resched(); 15f36ebd34b5b2 Jason J. Herne 2012-08-02 707 } 522a3b6f0285f5 Lilit Janpoladyan 2024-09-18 708 return 0; 15f36ebd34b5b2 Jason J. Herne 2012-08-02 709 } 15f36ebd34b5b2 Jason J. Herne 2012-08-02 710 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
