tree: https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git queue-4.9 head: 397027034d454e3ad94e49e88938860ee15d7de6 commit: c035e85a46b8876f230aa17570cbc096a59be26a [92/170] KVM: s390: VSIE: correctly handle MVPG when in VSIE config: s390-allyesconfig (attached as .config) compiler: s390-linux-gcc (GCC) 7.5.0 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/sashal/linux-stable.git/c... git remote add sashal-linux-stable https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git git fetch --no-tags sashal-linux-stable queue-4.9 git checkout c035e85a46b8876f230aa17570cbc096a59be26a # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-7.5.0 make.cross W=1 ARCH=s390 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): arch/s390/kvm/vsie.c: In function 'vsie_handle_mvpg': arch/s390/kvm/vsie.c:776:38: error: 'struct kvm_s390_sie_block' has no member named 'mcic'; did you mean 'ckc'? u64 *pei_block = &vsie_page->scb_o->mcic; ^~~~ ckc mask = _kvm_s390_logical_to_effective(&scb_s->gpsw, PAGE_MASK); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ kvm_s390_logical_to_effective rc_dest = kvm_s390_shadow_fault(vcpu, vsie_page->gmap, dest, &pei_dest); ^~~~~~~~~~~~~~~~~~~~~ In file included from arch/s390/kvm/vsie.c:23:0: arch/s390/kvm/gaccess.h:364:5: note: declared here int kvm_s390_shadow_fault(struct kvm_vcpu *vcpu, struct gmap *shadow, ^~~~~~~~~~~~~~~~~~~~~ arch/s390/kvm/vsie.c:788:11: error: too many arguments to function 'kvm_s390_shadow_fault' rc_src = kvm_s390_shadow_fault(vcpu, vsie_page->gmap, src, &pei_src); ^~~~~~~~~~~~~~~~~~~~~ In file included from arch/s390/kvm/vsie.c:23:0: arch/s390/kvm/gaccess.h:364:5: note: declared here int kvm_s390_shadow_fault(struct kvm_vcpu *vcpu, struct gmap *shadow, ^~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +782 arch/s390/kvm/vsie.c 771 772 static int vsie_handle_mvpg(struct kvm_vcpu *vcpu, struct vsie_page *vsie_page) 773 { 774 struct kvm_s390_sie_block *scb_s = &vsie_page->scb_s; 775 unsigned long pei_dest, pei_src, src, dest, mask; 776 u64 *pei_block = &vsie_page->scb_o->mcic; 777 int edat, rc_dest, rc_src; 778 union ctlreg0 cr0; 779 780 cr0.val = vcpu->arch.sie_block->gcr[0]; 781 edat = cr0.edat && test_kvm_facility(vcpu->kvm, 8); 783 784 dest = vsie_get_register(vcpu, vsie_page, scb_s->ipb >> 20) & mask; 785 src = vsie_get_register(vcpu, vsie_page, scb_s->ipb >> 16) & mask; 786 788 rc_src = kvm_s390_shadow_fault(vcpu, vsie_page->gmap, src, &pei_src); 789 /* 790 * Either everything went well, or something non-critical went wrong 791 * e.g. because of a race. In either case, simply retry. 792 */ 793 if (rc_dest == -EAGAIN || rc_src == -EAGAIN || (!rc_dest && !rc_src)) { 794 retry_vsie_icpt(vsie_page); 795 return -EAGAIN; 796 } 797 /* Something more serious went wrong, propagate the error */ 798 if (rc_dest < 0) 799 return rc_dest; 800 if (rc_src < 0) 801 return rc_src; 802 803 /* The only possible suppressing exception: just deliver it */ 804 if (rc_dest == PGM_TRANSLATION_SPEC || rc_src == PGM_TRANSLATION_SPEC) { 805 clear_vsie_icpt(vsie_page); 806 rc_dest = kvm_s390_inject_program_int(vcpu, PGM_TRANSLATION_SPEC); 807 WARN_ON_ONCE(rc_dest); 808 return 1; 809 } 810 811 /* 812 * Forward the PEI intercept to the guest if it was a page fault, or 813 * also for segment and region table faults if EDAT applies. 814 */ 815 if (edat) { 816 rc_dest = rc_dest == PGM_ASCE_TYPE ? rc_dest : 0; 817 rc_src = rc_src == PGM_ASCE_TYPE ? rc_src : 0; 818 } else { 819 rc_dest = rc_dest != PGM_PAGE_TRANSLATION ? rc_dest : 0; 820 rc_src = rc_src != PGM_PAGE_TRANSLATION ? rc_src : 0; 821 } 822 if (!rc_dest && !rc_src) { 823 pei_block[0] = pei_dest; 824 pei_block[1] = pei_src; 825 return 1; 826 } 827 828 retry_vsie_icpt(vsie_page); 829 830 /* 831 * The host has edat, and the guest does not, or it was an ASCE type 832 * exception. The host needs to inject the appropriate DAT interrupts 833 * into the guest. 834 */ 835 if (rc_dest) 836 return inject_fault(vcpu, rc_dest, dest, 1); 837 return inject_fault(vcpu, rc_src, src, 0); 838 } 839 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org