On 30/06/2016 19:06, kbuild test robot wrote: > tree: https://git.kernel.org/pub/scm/virt/kvm/kvm.git queue > head: 09982734ab6d3686c8f7235642781f12b70e7b51 > commit: 6f048b74dd1b81dc0102d6e20ea110a6009c0f89 [65/72] KVM: remove kvm_guest_enter/exit wrappers > config: s390-default_defconfig (attached as .config) > compiler: s390x-linux-gnu-gcc (Debian 5.3.1-8) 5.3.1 20160205 > reproduce: > wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > git checkout 6f048b74dd1b81dc0102d6e20ea110a6009c0f89 > # save the attached .config to linux build tree > make.cross ARCH=s390 > > All errors (new ones prefixed by >>): > > arch/s390/kvm/vsie.c: In function 'do_vsie_run': >>> arch/s390/kvm/vsie.c:768:2: error: implicit declaration of function 'kvm_guest_enter' [-Werror=implicit-function-declaration] > kvm_guest_enter(); > ^ >>> arch/s390/kvm/vsie.c:774:2: error: implicit declaration of function 'kvm_guest_exit' [-Werror=implicit-function-declaration] > kvm_guest_exit(); > ^ > cc1: some warnings being treated as errors > > vim +/kvm_guest_enter +768 arch/s390/kvm/vsie.c > > a3508fbe David Hildenbrand 2015-07-08 762 schedule(); > a3508fbe David Hildenbrand 2015-07-08 763 if (test_cpu_flag(CIF_MCCK_PENDING)) > a3508fbe David Hildenbrand 2015-07-08 764 s390_handle_mcck(); > a3508fbe David Hildenbrand 2015-07-08 765 > a3508fbe David Hildenbrand 2015-07-08 766 srcu_read_unlock(&vcpu->kvm->srcu, vcpu->srcu_idx); > a3508fbe David Hildenbrand 2015-07-08 767 local_irq_disable(); > a3508fbe David Hildenbrand 2015-07-08 @768 kvm_guest_enter(); > a3508fbe David Hildenbrand 2015-07-08 769 local_irq_enable(); > a3508fbe David Hildenbrand 2015-07-08 770 > a3508fbe David Hildenbrand 2015-07-08 771 rc = sie64a(scb_s, vcpu->run->s.regs.gprs); > a3508fbe David Hildenbrand 2015-07-08 772 > a3508fbe David Hildenbrand 2015-07-08 773 local_irq_disable(); > a3508fbe David Hildenbrand 2015-07-08 @774 kvm_guest_exit(); > a3508fbe David Hildenbrand 2015-07-08 775 local_irq_enable(); > a3508fbe David Hildenbrand 2015-07-08 776 vcpu->srcu_idx = srcu_read_lock(&vcpu->kvm->srcu); > a3508fbe David Hildenbrand 2015-07-08 777 Semantic conflict, I'll take care of it. Paolo > :::::: The code at line 768 was first introduced by commit > :::::: a3508fbe9dc6dd3bece0c7bf889cc085a011738c KVM: s390: vsie: initial support for nested virtualization > > :::::: TO: David Hildenbrand <dahi@xxxxxxxxxxxxxxxxxx> > :::::: CC: Christian Borntraeger <borntraeger@xxxxxxxxxx> > > --- > 0-DAY kernel test infrastructure Open Source Technology Center > https://lists.01.org/pipermail/kbuild-all Intel Corporation > -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html