From: kernel test robot <lkp@intel.com>
To: Fuad Tabba <tabba@google.com>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev
Subject: Re: [PATCH v9 14/17] KVM: arm64: Enable mapping guest_memfd in arm64
Date: Wed, 14 May 2025 13:44:19 +0800 [thread overview]
Message-ID: <202505141338.1SqLzH12-lkp@intel.com> (raw)
In-Reply-To: <20250513163438.3942405-15-tabba@google.com>
Hi Fuad,
kernel test robot noticed the following build errors:
[auto build test ERROR on 82f2b0b97b36ee3fcddf0f0780a9a0825d52fec3]
url: https://github.com/intel-lab-lkp/linux/commits/Fuad-Tabba/KVM-Rename-CONFIG_KVM_PRIVATE_MEM-to-CONFIG_KVM_GMEM/20250514-003900
base: 82f2b0b97b36ee3fcddf0f0780a9a0825d52fec3
patch link: https://lore.kernel.org/r/20250513163438.3942405-15-tabba%40google.com
patch subject: [PATCH v9 14/17] KVM: arm64: Enable mapping guest_memfd in arm64
config: arm64-randconfig-004-20250514 (https://download.01.org/0day-ci/archive/20250514/202505141338.1SqLzH12-lkp@intel.com/config)
compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project f819f46284f2a79790038e1f6649172789734ae8)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250514/202505141338.1SqLzH12-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/202505141338.1SqLzH12-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from arch/arm64/kernel/asm-offsets.c:15:
>> include/linux/kvm_host.h:726:20: error: redefinition of 'kvm_arch_supports_gmem'
726 | static inline bool kvm_arch_supports_gmem(struct kvm *kvm)
| ^
arch/arm64/include/asm/kvm_host.h:1596:20: note: previous definition is here
1596 | static inline bool kvm_arch_supports_gmem(struct kvm *kvm)
| ^
In file included from arch/arm64/kernel/asm-offsets.c:15:
>> include/linux/kvm_host.h:739:20: error: redefinition of 'kvm_arch_vm_supports_gmem_shared_mem'
739 | static inline bool kvm_arch_vm_supports_gmem_shared_mem(struct kvm *kvm)
| ^
arch/arm64/include/asm/kvm_host.h:1601:20: note: previous definition is here
1601 | static inline bool kvm_arch_vm_supports_gmem_shared_mem(struct kvm *kvm)
| ^
2 errors generated.
make[3]: *** [scripts/Makefile.build:98: arch/arm64/kernel/asm-offsets.s] Error 1 shuffle=2236105568
make[3]: Target 'prepare' not remade because of errors.
make[2]: *** [Makefile:1275: prepare0] Error 2 shuffle=2236105568
make[2]: Target 'prepare' not remade because of errors.
make[1]: *** [Makefile:248: __sub-make] Error 2 shuffle=2236105568
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:248: __sub-make] Error 2 shuffle=2236105568
make: Target 'prepare' not remade because of errors.
vim +/kvm_arch_supports_gmem +726 include/linux/kvm_host.h
f481b069e67437 Paolo Bonzini 2015-05-17 720
a7800aa80ea4d5 Sean Christopherson 2023-11-13 721 /*
fc8463899419fd Fuad Tabba 2025-05-13 722 * Arch code must define kvm_arch_supports_gmem if support for guest_memfd
a7800aa80ea4d5 Sean Christopherson 2023-11-13 723 * is enabled.
a7800aa80ea4d5 Sean Christopherson 2023-11-13 724 */
fc8463899419fd Fuad Tabba 2025-05-13 725 #if !defined(kvm_arch_supports_gmem) && !IS_ENABLED(CONFIG_KVM_GMEM)
fc8463899419fd Fuad Tabba 2025-05-13 @726 static inline bool kvm_arch_supports_gmem(struct kvm *kvm)
a7800aa80ea4d5 Sean Christopherson 2023-11-13 727 {
a7800aa80ea4d5 Sean Christopherson 2023-11-13 728 return false;
a7800aa80ea4d5 Sean Christopherson 2023-11-13 729 }
a7800aa80ea4d5 Sean Christopherson 2023-11-13 730 #endif
a7800aa80ea4d5 Sean Christopherson 2023-11-13 731
33a8543055465e Fuad Tabba 2025-05-13 732 /*
33a8543055465e Fuad Tabba 2025-05-13 733 * Returns true if this VM supports shared mem in guest_memfd.
33a8543055465e Fuad Tabba 2025-05-13 734 *
33a8543055465e Fuad Tabba 2025-05-13 735 * Arch code must define kvm_arch_vm_supports_gmem_shared_mem if support for
33a8543055465e Fuad Tabba 2025-05-13 736 * guest_memfd is enabled.
33a8543055465e Fuad Tabba 2025-05-13 737 */
33a8543055465e Fuad Tabba 2025-05-13 738 #if !defined(kvm_arch_vm_supports_gmem_shared_mem) && !IS_ENABLED(CONFIG_KVM_GMEM)
33a8543055465e Fuad Tabba 2025-05-13 @739 static inline bool kvm_arch_vm_supports_gmem_shared_mem(struct kvm *kvm)
33a8543055465e Fuad Tabba 2025-05-13 740 {
33a8543055465e Fuad Tabba 2025-05-13 741 return false;
33a8543055465e Fuad Tabba 2025-05-13 742 }
33a8543055465e Fuad Tabba 2025-05-13 743 #endif
33a8543055465e Fuad Tabba 2025-05-13 744
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
parent reply other threads:[~2025-05-14 5:44 UTC|newest]
Thread overview: expand[flat|nested] mbox.gz Atom feed
[parent not found: <20250513163438.3942405-15-tabba@google.com>]
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