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X-CSE-ConnectionGUID: vZhFyn+RTyav2PIAa9rb7w== X-CSE-MsgGUID: jo+/F0D8SGasLRiwktzsIQ== X-IronPort-AV: E=McAfee;i="6700,10204,11447"; a="53145989" X-IronPort-AV: E=Sophos;i="6.15,322,1739865600"; d="scan'208";a="53145989" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by fmvoesa107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 May 2025 16:18:09 -0700 X-CSE-ConnectionGUID: iwficSJmT/qS3pdcAJGGYg== X-CSE-MsgGUID: N7yDre9XSIaIrg+kwGzUcQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,322,1739865600"; d="scan'208";a="148155222" Received: from lkp-server01.sh.intel.com (HELO 1992f890471c) ([10.239.97.150]) by orviesa003.jf.intel.com with ESMTP; 28 May 2025 16:18:01 -0700 Received: from kbuild by 1992f890471c with local (Exim 4.96) (envelope-from ) id 1uKQ23-000W9E-17; Wed, 28 May 2025 23:17:59 +0000 Date: Thu, 29 May 2025 07:17:02 +0800 From: kernel test robot To: Fuad Tabba , kvm@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-mm@kvack.org Cc: 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 v10 08/16] KVM: guest_memfd: Allow host to map guest_memfd pages Message-ID: <202505290736.HR4GYiOF-lkp@intel.com> References: <20250527180245.1413463-9-tabba@google.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250527180245.1413463-9-tabba@google.com> Hi Fuad, kernel test robot noticed the following build errors: [auto build test ERROR on 0ff41df1cb268fc69e703a08a57ee14ae967d0ca] url: https://github.com/intel-lab-lkp/linux/commits/Fuad-Tabba/KVM-Rename-CONFIG_KVM_PRIVATE_MEM-to-CONFIG_KVM_GMEM/20250528-020608 base: 0ff41df1cb268fc69e703a08a57ee14ae967d0ca patch link: https://lore.kernel.org/r/20250527180245.1413463-9-tabba%40google.com patch subject: [PATCH v10 08/16] KVM: guest_memfd: Allow host to map guest_memfd pages config: powerpc-allmodconfig (https://download.01.org/0day-ci/archive/20250529/202505290736.HR4GYiOF-lkp@intel.com/config) compiler: powerpc64-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250529/202505290736.HR4GYiOF-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202505290736.HR4GYiOF-lkp@intel.com/ All errors (new ones prefixed by >>): arch/powerpc/kvm/../../../virt/kvm/guest_memfd.c: In function '__kvm_gmem_create': arch/powerpc/kvm/../../../virt/kvm/guest_memfd.c:487:14: error: implicit declaration of function 'get_unused_fd_flags' [-Wimplicit-function-declaration] 487 | fd = get_unused_fd_flags(0); | ^~~~~~~~~~~~~~~~~~~ arch/powerpc/kvm/../../../virt/kvm/guest_memfd.c:524:9: error: implicit declaration of function 'fd_install'; did you mean 'fs_initcall'? [-Wimplicit-function-declaration] 524 | fd_install(fd, file); | ^~~~~~~~~~ | fs_initcall arch/powerpc/kvm/../../../virt/kvm/guest_memfd.c:530:9: error: implicit declaration of function 'put_unused_fd'; did you mean 'put_user_ns'? [-Wimplicit-function-declaration] 530 | put_unused_fd(fd); | ^~~~~~~~~~~~~ | put_user_ns arch/powerpc/kvm/../../../virt/kvm/guest_memfd.c: In function 'kvm_gmem_create': >> arch/powerpc/kvm/../../../virt/kvm/guest_memfd.c:540:13: error: implicit declaration of function 'kvm_arch_supports_gmem_shared_mem' [-Wimplicit-function-declaration] 540 | if (kvm_arch_supports_gmem_shared_mem(kvm)) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/powerpc/kvm/../../../virt/kvm/guest_memfd.c: In function 'kvm_gmem_bind': arch/powerpc/kvm/../../../virt/kvm/guest_memfd.c:564:16: error: implicit declaration of function 'fget'; did you mean 'sget'? [-Wimplicit-function-declaration] 564 | file = fget(fd); | ^~~~ | sget arch/powerpc/kvm/../../../virt/kvm/guest_memfd.c:564:14: error: assignment to 'struct file *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 564 | file = fget(fd); | ^ arch/powerpc/kvm/../../../virt/kvm/guest_memfd.c:614:9: error: implicit declaration of function 'fput'; did you mean 'iput'? [-Wimplicit-function-declaration] 614 | fput(file); | ^~~~ | iput vim +/kvm_arch_supports_gmem_shared_mem +540 arch/powerpc/kvm/../../../virt/kvm/guest_memfd.c 533 534 int kvm_gmem_create(struct kvm *kvm, struct kvm_create_guest_memfd *args) 535 { 536 loff_t size = args->size; 537 u64 flags = args->flags; 538 u64 valid_flags = 0; 539 > 540 if (kvm_arch_supports_gmem_shared_mem(kvm)) 541 valid_flags |= GUEST_MEMFD_FLAG_SUPPORT_SHARED; 542 543 if (flags & ~valid_flags) 544 return -EINVAL; 545 546 if (size <= 0 || !PAGE_ALIGNED(size)) 547 return -EINVAL; 548 549 return __kvm_gmem_create(kvm, size, flags); 550 } 551 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki