* Re: [PATCH 1/2] KVM: remove CONFIG_KVM_GENERIC_MMU_NOTIFIER
[not found] <20260212105211.1555876-2-pbonzini@redhat.com>
@ 2026-02-12 17:16 ` kernel test robot
2026-02-12 20:05 ` kernel test robot
1 sibling, 0 replies; 2+ messages in thread
From: kernel test robot @ 2026-02-12 17:16 UTC (permalink / raw)
To: Paolo Bonzini, linux-kernel, kvm; +Cc: llvm, oe-kbuild-all
Hi Paolo,
kernel test robot noticed the following build errors:
[auto build test ERROR on kvm/queue]
[also build test ERROR on kvm/next kvms390/next next-20260212]
[cannot apply to powerpc/topic/ppc-kvm kvmarm/next linus/master kvm/linux-next v6.16-rc1]
[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/Paolo-Bonzini/KVM-remove-CONFIG_KVM_GENERIC_MMU_NOTIFIER/20260212-185546
base: https://git.kernel.org/pub/scm/virt/kvm/kvm.git queue
patch link: https://lore.kernel.org/r/20260212105211.1555876-2-pbonzini%40redhat.com
patch subject: [PATCH 1/2] KVM: remove CONFIG_KVM_GENERIC_MMU_NOTIFIER
config: x86_64-kexec (https://download.01.org/0day-ci/archive/20260212/202602121838.3VZCFFcb-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260212/202602121838.3VZCFFcb-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202602121838.3VZCFFcb-lkp@intel.com/
All errors (new ones prefixed by >>):
>> arch/x86/kvm/../../../virt/kvm/kvm_main.c:900:9: error: call to undeclared function 'mmu_notifier_register'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
900 | return mmu_notifier_register(&kvm->mmu_notifier, current->mm);
| ^
arch/x86/kvm/../../../virt/kvm/kvm_main.c:900:9: note: did you mean 'mmu_notifier_release'?
include/linux/mmu_notifier.h:598:20: note: 'mmu_notifier_release' declared here
598 | static inline void mmu_notifier_release(struct mm_struct *mm)
| ^
>> arch/x86/kvm/../../../virt/kvm/kvm_main.c:1220:3: error: call to undeclared function 'mmu_notifier_unregister'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
1220 | mmu_notifier_unregister(&kvm->mmu_notifier, current->mm);
| ^
arch/x86/kvm/../../../virt/kvm/kvm_main.c:1220:3: note: did you mean 'preempt_notifier_unregister'?
include/linux/preempt.h:357:6: note: 'preempt_notifier_unregister' declared here
357 | void preempt_notifier_unregister(struct preempt_notifier *notifier);
| ^
arch/x86/kvm/../../../virt/kvm/kvm_main.c:1283:2: error: call to undeclared function 'mmu_notifier_unregister'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
1283 | mmu_notifier_unregister(&kvm->mmu_notifier, kvm->mm);
| ^
3 errors generated.
vim +/mmu_notifier_register +900 arch/x86/kvm/../../../virt/kvm/kvm_main.c
4c07b0a4b6df45 Avi Kivity 2009-12-20 896
4c07b0a4b6df45 Avi Kivity 2009-12-20 897 static int kvm_init_mmu_notifier(struct kvm *kvm)
4c07b0a4b6df45 Avi Kivity 2009-12-20 898 {
4c07b0a4b6df45 Avi Kivity 2009-12-20 899 kvm->mmu_notifier.ops = &kvm_mmu_notifier_ops;
4c07b0a4b6df45 Avi Kivity 2009-12-20 @900 return mmu_notifier_register(&kvm->mmu_notifier, current->mm);
4c07b0a4b6df45 Avi Kivity 2009-12-20 901 }
4c07b0a4b6df45 Avi Kivity 2009-12-20 902
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [PATCH 1/2] KVM: remove CONFIG_KVM_GENERIC_MMU_NOTIFIER
[not found] <20260212105211.1555876-2-pbonzini@redhat.com>
2026-02-12 17:16 ` [PATCH 1/2] KVM: remove CONFIG_KVM_GENERIC_MMU_NOTIFIER kernel test robot
@ 2026-02-12 20:05 ` kernel test robot
1 sibling, 0 replies; 2+ messages in thread
From: kernel test robot @ 2026-02-12 20:05 UTC (permalink / raw)
To: Paolo Bonzini, linux-kernel, kvm; +Cc: llvm, oe-kbuild-all
Hi Paolo,
kernel test robot noticed the following build errors:
[auto build test ERROR on kvm/queue]
[also build test ERROR on kvm/next kvms390/next next-20260212]
[cannot apply to powerpc/topic/ppc-kvm kvmarm/next linus/master kvm/linux-next v6.19]
[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/Paolo-Bonzini/KVM-remove-CONFIG_KVM_GENERIC_MMU_NOTIFIER/20260212-185546
base: https://git.kernel.org/pub/scm/virt/kvm/kvm.git queue
patch link: https://lore.kernel.org/r/20260212105211.1555876-2-pbonzini%40redhat.com
patch subject: [PATCH 1/2] KVM: remove CONFIG_KVM_GENERIC_MMU_NOTIFIER
config: riscv-defconfig (https://download.01.org/0day-ci/archive/20260213/202602130416.oIONAEUp-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 9b8addffa70cee5b2acc5454712d9cf78ce45710)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260213/202602130416.oIONAEUp-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202602130416.oIONAEUp-lkp@intel.com/
All errors (new ones prefixed by >>):
>> arch/riscv/kvm/../../../virt/kvm/kvm_main.c:900:9: error: call to undeclared function 'mmu_notifier_register'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
900 | return mmu_notifier_register(&kvm->mmu_notifier, current->mm);
| ^
arch/riscv/kvm/../../../virt/kvm/kvm_main.c:900:9: note: did you mean 'mmu_notifier_release'?
include/linux/mmu_notifier.h:598:20: note: 'mmu_notifier_release' declared here
598 | static inline void mmu_notifier_release(struct mm_struct *mm)
| ^
>> arch/riscv/kvm/../../../virt/kvm/kvm_main.c:1220:3: error: call to undeclared function 'mmu_notifier_unregister'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
1220 | mmu_notifier_unregister(&kvm->mmu_notifier, current->mm);
| ^
arch/riscv/kvm/../../../virt/kvm/kvm_main.c:1220:3: note: did you mean 'preempt_notifier_unregister'?
include/linux/preempt.h:357:6: note: 'preempt_notifier_unregister' declared here
357 | void preempt_notifier_unregister(struct preempt_notifier *notifier);
| ^
arch/riscv/kvm/../../../virt/kvm/kvm_main.c:1283:2: error: call to undeclared function 'mmu_notifier_unregister'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
1283 | mmu_notifier_unregister(&kvm->mmu_notifier, kvm->mm);
| ^
3 errors generated.
vim +/mmu_notifier_register +900 arch/riscv/kvm/../../../virt/kvm/kvm_main.c
4c07b0a4b6df45 Avi Kivity 2009-12-20 896
4c07b0a4b6df45 Avi Kivity 2009-12-20 897 static int kvm_init_mmu_notifier(struct kvm *kvm)
4c07b0a4b6df45 Avi Kivity 2009-12-20 898 {
4c07b0a4b6df45 Avi Kivity 2009-12-20 899 kvm->mmu_notifier.ops = &kvm_mmu_notifier_ops;
4c07b0a4b6df45 Avi Kivity 2009-12-20 @900 return mmu_notifier_register(&kvm->mmu_notifier, current->mm);
4c07b0a4b6df45 Avi Kivity 2009-12-20 901 }
4c07b0a4b6df45 Avi Kivity 2009-12-20 902
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 2+ messages in thread