From: kernel test robot <lkp@intel.com>
To: Fuad Tabba <tabba@google.com>,
kvm@vger.kernel.org, linux-arm-msm@vger.kernel.org,
linux-mm@kvack.org
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
pbonzini@redhat.com, chenhuacai@kernel.org, mpe@ellerman.id.au,
anup@brainfault.org, paul.walmsley@sifive.com,
palmer@dabbelt.com, aou@eecs.berkeley.edu, seanjc@google.com,
viro@zeniv.linux.org.uk, brauner@kernel.org, willy@infradead.org,
akpm@linux-foundation.org, xiaoyao.li@intel.com,
yilun.xu@intel.com, chao.p.peng@linux.intel.com,
jarkko@kernel.org, amoorthy@google.com, dmatlack@google.com,
isaku.yamahata@intel.com, mic@digikod.net, vbabka@suse.cz,
vannapurve@google.com, ackerleytng@google.com,
mail@maciej.szmigiero.name, david@redhat.com,
michael.roth@amd.com, wei.w.wang@intel.com
Subject: Re: [PATCH v6 09/10] KVM: arm64: Enable mapping guest_memfd in arm64
Date: Thu, 13 Mar 2025 22:20:46 +0800 [thread overview]
Message-ID: <202503132205.Ajz52k8I-lkp@intel.com> (raw)
In-Reply-To: <20250312175824.1809636-10-tabba@google.com>
Hi Fuad,
kernel test robot noticed the following build errors:
[auto build test ERROR on 80e54e84911a923c40d7bee33a34c1b4be148d7a]
url: https://github.com/intel-lab-lkp/linux/commits/Fuad-Tabba/mm-Consolidate-freeing-of-typed-folios-on-final-folio_put/20250313-020010
base: 80e54e84911a923c40d7bee33a34c1b4be148d7a
patch link: https://lore.kernel.org/r/20250312175824.1809636-10-tabba%40google.com
patch subject: [PATCH v6 09/10] KVM: arm64: Enable mapping guest_memfd in arm64
config: arm64-allnoconfig (https://download.01.org/0day-ci/archive/20250313/202503132205.Ajz52k8I-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250313/202503132205.Ajz52k8I-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/202503132205.Ajz52k8I-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:725:20: error: redefinition of 'kvm_arch_has_private_mem'
725 | static inline bool kvm_arch_has_private_mem(struct kvm *kvm)
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/kvm_host.h:45:
arch/arm64/include/asm/kvm_host.h:1546:20: note: previous definition of 'kvm_arch_has_private_mem' with type 'bool(struct kvm *)' {aka '_Bool(struct kvm *)'}
1546 | static inline bool kvm_arch_has_private_mem(struct kvm *kvm)
| ^~~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/kvm_host.h:736:20: error: redefinition of 'kvm_arch_gmem_supports_shared_mem'
736 | static inline bool kvm_arch_gmem_supports_shared_mem(struct kvm *kvm)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/include/asm/kvm_host.h:1551:20: note: previous definition of 'kvm_arch_gmem_supports_shared_mem' with type 'bool(struct kvm *)' {aka '_Bool(struct kvm *)'}
1551 | static inline bool kvm_arch_gmem_supports_shared_mem(struct kvm *kvm)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
make[3]: *** [scripts/Makefile.build:102: arch/arm64/kernel/asm-offsets.s] Error 1
make[3]: Target 'prepare' not remade because of errors.
make[2]: *** [Makefile:1269: prepare0] Error 2
make[2]: Target 'prepare' not remade because of errors.
make[1]: *** [Makefile:251: __sub-make] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:251: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.
vim +/kvm_arch_has_private_mem +725 include/linux/kvm_host.h
f481b069e674378 Paolo Bonzini 2015-05-17 719
a7800aa80ea4d53 Sean Christopherson 2023-11-13 720 /*
a7800aa80ea4d53 Sean Christopherson 2023-11-13 721 * Arch code must define kvm_arch_has_private_mem if support for private memory
a7800aa80ea4d53 Sean Christopherson 2023-11-13 722 * is enabled.
a7800aa80ea4d53 Sean Christopherson 2023-11-13 723 */
a7800aa80ea4d53 Sean Christopherson 2023-11-13 724 #if !defined(kvm_arch_has_private_mem) && !IS_ENABLED(CONFIG_KVM_PRIVATE_MEM)
a7800aa80ea4d53 Sean Christopherson 2023-11-13 @725 static inline bool kvm_arch_has_private_mem(struct kvm *kvm)
a7800aa80ea4d53 Sean Christopherson 2023-11-13 726 {
a7800aa80ea4d53 Sean Christopherson 2023-11-13 727 return false;
a7800aa80ea4d53 Sean Christopherson 2023-11-13 728 }
a7800aa80ea4d53 Sean Christopherson 2023-11-13 729 #endif
a7800aa80ea4d53 Sean Christopherson 2023-11-13 730
a765e4ca28eb657 Fuad Tabba 2025-03-12 731 /*
a765e4ca28eb657 Fuad Tabba 2025-03-12 732 * Arch code must define kvm_arch_gmem_supports_shared_mem if support for
a765e4ca28eb657 Fuad Tabba 2025-03-12 733 * private memory is enabled and it supports in-place shared/private conversion.
a765e4ca28eb657 Fuad Tabba 2025-03-12 734 */
a765e4ca28eb657 Fuad Tabba 2025-03-12 735 #if !defined(kvm_arch_gmem_supports_shared_mem) && !IS_ENABLED(CONFIG_KVM_GMEM_SHARED_MEM)
a765e4ca28eb657 Fuad Tabba 2025-03-12 @736 static inline bool kvm_arch_gmem_supports_shared_mem(struct kvm *kvm)
a765e4ca28eb657 Fuad Tabba 2025-03-12 737 {
a765e4ca28eb657 Fuad Tabba 2025-03-12 738 return false;
a765e4ca28eb657 Fuad Tabba 2025-03-12 739 }
a765e4ca28eb657 Fuad Tabba 2025-03-12 740 #endif
a765e4ca28eb657 Fuad Tabba 2025-03-12 741
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next prev parent reply other threads:[~2025-03-13 14:22 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-12 17:58 [PATCH v6 00/10] KVM: Mapping guest_memfd backed memory at the host for software protected VMs Fuad Tabba
2025-03-12 17:58 ` [PATCH v6 01/10] mm: Consolidate freeing of typed folios on final folio_put() Fuad Tabba
2025-03-12 17:58 ` [PATCH v6 02/10] KVM: guest_memfd: Handle final folio_put() of guest_memfd pages Fuad Tabba
2025-03-12 17:58 ` [PATCH v6 03/10] KVM: guest_memfd: Handle kvm_gmem_handle_folio_put() for KVM as a module Fuad Tabba
2025-03-13 13:46 ` Ackerley Tng
2025-03-13 13:49 ` Ackerley Tng
2025-03-13 13:57 ` Fuad Tabba
2025-03-17 13:43 ` Vlastimil Babka
2025-03-17 14:38 ` Sean Christopherson
2025-03-17 15:04 ` Fuad Tabba
2025-03-17 16:27 ` Ackerley Tng
2025-03-17 16:50 ` Fuad Tabba
2025-03-12 17:58 ` [PATCH v6 04/10] KVM: guest_memfd: Allow host to map guest_memfd() pages Fuad Tabba
2025-03-14 18:46 ` Ackerley Tng
2025-03-17 10:42 ` Fuad Tabba
2025-03-12 17:58 ` [PATCH v6 05/10] KVM: guest_memfd: Handle in-place shared memory as guest_memfd backed memory Fuad Tabba
2025-03-12 17:58 ` [PATCH v6 06/10] KVM: x86: Mark KVM_X86_SW_PROTECTED_VM as supporting guest_memfd shared memory Fuad Tabba
2025-03-12 17:58 ` [PATCH v6 07/10] KVM: arm64: Refactor user_mem_abort() calculation of force_pte Fuad Tabba
2025-03-12 17:58 ` [PATCH v6 08/10] KVM: arm64: Handle guest_memfd()-backed guest page faults Fuad Tabba
2025-03-12 17:58 ` [PATCH v6 09/10] KVM: arm64: Enable mapping guest_memfd in arm64 Fuad Tabba
2025-03-13 14:20 ` kernel test robot [this message]
2025-03-12 17:58 ` [PATCH v6 10/10] KVM: guest_memfd: selftests: guest_memfd mmap() test when mapping is allowed Fuad Tabba
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