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X-CSE-ConnectionGUID: 7jidlhl9S02oorBGxGQPKw== X-CSE-MsgGUID: moO3hyNVSjOt6KPWWsfL/g== X-IronPort-AV: E=McAfee;i="6800,10657,11490"; a="72072986" X-IronPort-AV: E=Sophos;i="6.16,302,1744095600"; d="scan'208";a="72072986" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Jul 2025 18:14:28 -0700 X-CSE-ConnectionGUID: SdMKwLrVSoGO7g8IqZPS7g== X-CSE-MsgGUID: rUIlbZKsQDaO0ykbXJymng== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,302,1744095600"; d="scan'208";a="156964041" Received: from lkp-server01.sh.intel.com (HELO 9ee84586c615) ([10.239.97.150]) by fmviesa010.fm.intel.com with ESMTP; 10 Jul 2025 18:14:20 -0700 Received: from kbuild by 9ee84586c615 with local (Exim 4.96) (envelope-from ) id 1ua2LC-0005hB-0n; Fri, 11 Jul 2025 01:14:18 +0000 Date: Fri, 11 Jul 2025 09:14:06 +0800 From: kernel test robot To: Fuad Tabba , kvm@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-mm@kvack.org, kvmarm@lists.linux.dev 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 Subject: Re: [PATCH v13 14/20] KVM: x86: Enable guest_memfd mmap for default VM type Message-ID: <202507110822.EaBBAGre-lkp@intel.com> References: <20250709105946.4009897-15-tabba@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250709105946.4009897-15-tabba@google.com> X-Rspam-User: X-Stat-Signature: 8k1s79s7x6hmkpcb5s4nicgpdc659rsf X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 75C5D1C0018 X-HE-Tag: 1752196469-295046 X-HE-Meta: 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 CEN/DaTO Iir09DM4JjkXehsKCLpBaohemsTWWsBLG6aodrFaPy0tnIeJIIO7wQfnoh5q/+IY5t+yTxdIpe+mM9TbwcNX1sAzksa3BjrhyxRlB5NN3KBsJPmRYMwoE3gCwx0OPfmR8G7CKkpgSBU2L5rPV2bVfqGfN0Ss5HsvB6cqNZnCQ4lzChUpcFZb6JcFJqtVqNJCEGG/EZvQRFwr9PM/rUiYJbDsIRoG1iOuw/HIvUO037xQzarY7VIGlYAfF/4yVJYzoMALCug00YQHZmq6LPKyEUg2vbPg5IwpuwsUL1sQAM7oovfjKjoYDSH1XAQ7owI7IJ9T5Zv0LRl4LO3ABDXUeFKciU8d52RCV2NTcTBsU0jUjkLol3yRGJ8oezyqEWtTM2vkdPwnulsIX+ehl2HXrIi4GAg== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi Fuad, kernel test robot noticed the following build errors: [auto build test ERROR on d7b8f8e20813f0179d8ef519541a3527e7661d3a] url: https://github.com/intel-lab-lkp/linux/commits/Fuad-Tabba/KVM-Rename-CONFIG_KVM_PRIVATE_MEM-to-CONFIG_KVM_GMEM/20250709-190344 base: d7b8f8e20813f0179d8ef519541a3527e7661d3a patch link: https://lore.kernel.org/r/20250709105946.4009897-15-tabba%40google.com patch subject: [PATCH v13 14/20] KVM: x86: Enable guest_memfd mmap for default VM type config: i386-randconfig-013-20250711 (https://download.01.org/0day-ci/archive/20250711/202507110822.EaBBAGre-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14+deb12u1) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250711/202507110822.EaBBAGre-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/202507110822.EaBBAGre-lkp@intel.com/ All errors (new ones prefixed by >>): arch/x86/kvm/../../../virt/kvm/guest_memfd.c: In function 'kvm_gmem_supports_mmap': arch/x86/kvm/../../../virt/kvm/guest_memfd.c:317:27: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 317 | const u64 flags = (u64)inode->i_private; | ^ In file included from : arch/x86/kvm/../../../virt/kvm/guest_memfd.c: In function 'kvm_gmem_bind': >> include/linux/compiler_types.h:568:45: error: call to '__compiletime_assert_624' declared with attribute error: BUILD_BUG_ON failed: sizeof(gfn_t) != sizeof(slot->gmem.pgoff) 568 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^ include/linux/compiler_types.h:549:25: note: in definition of macro '__compiletime_assert' 549 | prefix ## suffix(); \ | ^~~~~~ include/linux/compiler_types.h:568:9: note: in expansion of macro '_compiletime_assert' 568 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert' 39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) | ^~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:50:9: note: in expansion of macro 'BUILD_BUG_ON_MSG' 50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) | ^~~~~~~~~~~~~~~~ arch/x86/kvm/../../../virt/kvm/guest_memfd.c:558:9: note: in expansion of macro 'BUILD_BUG_ON' 558 | BUILD_BUG_ON(sizeof(gfn_t) != sizeof(slot->gmem.pgoff)); | ^~~~~~~~~~~~ vim +/__compiletime_assert_624 +568 include/linux/compiler_types.h eb5c2d4b45e3d2 Will Deacon 2020-07-21 554 eb5c2d4b45e3d2 Will Deacon 2020-07-21 555 #define _compiletime_assert(condition, msg, prefix, suffix) \ eb5c2d4b45e3d2 Will Deacon 2020-07-21 556 __compiletime_assert(condition, msg, prefix, suffix) eb5c2d4b45e3d2 Will Deacon 2020-07-21 557 eb5c2d4b45e3d2 Will Deacon 2020-07-21 558 /** eb5c2d4b45e3d2 Will Deacon 2020-07-21 559 * compiletime_assert - break build and emit msg if condition is false eb5c2d4b45e3d2 Will Deacon 2020-07-21 560 * @condition: a compile-time constant condition to check eb5c2d4b45e3d2 Will Deacon 2020-07-21 561 * @msg: a message to emit if condition is false eb5c2d4b45e3d2 Will Deacon 2020-07-21 562 * eb5c2d4b45e3d2 Will Deacon 2020-07-21 563 * In tradition of POSIX assert, this macro will break the build if the eb5c2d4b45e3d2 Will Deacon 2020-07-21 564 * supplied condition is *false*, emitting the supplied error message if the eb5c2d4b45e3d2 Will Deacon 2020-07-21 565 * compiler has support to do so. eb5c2d4b45e3d2 Will Deacon 2020-07-21 566 */ eb5c2d4b45e3d2 Will Deacon 2020-07-21 567 #define compiletime_assert(condition, msg) \ eb5c2d4b45e3d2 Will Deacon 2020-07-21 @568 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) eb5c2d4b45e3d2 Will Deacon 2020-07-21 569 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki