Hi Marcelo, [auto build test WARNING on linux-rt-devel/for-kbuild-bot/current-stable] url: https://github.com/0day-ci/linux/commits/Marcelo-Tosatti/kvm-lockdep-annotate-mmu_lock-wait_lock/20170719-025327 base: https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git for-kbuild-bot/current-stable config: i386-allmodconfig (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=i386 All warnings (new ones prefixed by >>): In file included from include/linux/hardirq.h:5:0, from include/linux/kvm_host.h:10, from arch/x86/kvm/../../../virt/kvm/kvm_main.c:21: arch/x86/kvm/../../../virt/kvm/kvm_main.c: In function 'kvm_create_vm': arch/x86/kvm/../../../virt/kvm/kvm_main.c:617:45: error: 'spinlock_t {aka struct spinlock}' has no member named 'lock'; did you mean 'rlock'? lockdep_set_novalidate_class(&kvm->mmu_lock.lock.wait_lock); ^ include/linux/lockdep.h:300:22: note: in definition of macro 'lockdep_set_class_and_name' lockdep_init_map(&(lock)->dep_map, name, key, 0) ^~~~ >> arch/x86/kvm/../../../virt/kvm/kvm_main.c:617:2: note: in expansion of macro 'lockdep_set_novalidate_class' lockdep_set_novalidate_class(&kvm->mmu_lock.lock.wait_lock); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/lockdep_set_novalidate_class +617 arch/x86/kvm/../../../virt/kvm/kvm_main.c 606 607 static struct kvm *kvm_create_vm(unsigned long type) 608 { 609 int r, i; 610 struct kvm *kvm = kvm_arch_alloc_vm(); 611 612 if (!kvm) 613 return ERR_PTR(-ENOMEM); 614 615 spin_lock_init(&kvm->mmu_lock); 616 > 617 lockdep_set_novalidate_class(&kvm->mmu_lock.lock.wait_lock); 618 mmgrab(current->mm); 619 kvm->mm = current->mm; 620 kvm_eventfd_init(kvm); 621 mutex_init(&kvm->lock); 622 mutex_init(&kvm->irq_lock); 623 mutex_init(&kvm->slots_lock); 624 refcount_set(&kvm->users_count, 1); 625 INIT_LIST_HEAD(&kvm->devices); 626 627 r = kvm_arch_init_vm(kvm, type); 628 if (r) 629 goto out_err_no_disable; 630 631 r = hardware_enable_all(); 632 if (r) 633 goto out_err_no_disable; 634 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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