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fmviesa001.fm.intel.com with ESMTP; 18 Jun 2026 13:51:25 -0700 Received: from kbuild by 892db79562d4 with local (Exim 4.98.2) (envelope-from ) id 1waJhr-000000005al-0KLt; Thu, 18 Jun 2026 20:51:23 +0000 Date: Thu, 18 Jun 2026 22:50:57 +0200 From: kernel test robot To: Sean Christopherson Cc: oe-kbuild-all@lists.linux.dev Subject: [sean-jc:x86/dynamic_memslot_hashtable 7/7] include/linux/build_bug.h:80:41: error: static assertion failed: "SIZE_OF_MEMSLOTS_HASHTABLE == (1024 * (1 + IS_ENABLED(CONFIG_X86_64)) * (1 + IS_ENABLED(CONFIG_KVM_SMM)))" Message-ID: <202606182256.PUuH548U-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://github.com/sean-jc/linux x86/dynamic_memslot_hashtable head: e6c91f158091040c1e79a7dc9b8401235ae066b5 commit: e6c91f158091040c1e79a7dc9b8401235ae066b5 [7/7] KVM: Dynamically allocate memslot's id=>slot hash table config: x86_64-rhel-9.4 (https://download.01.org/0day-ci/archive/20260618/202606182256.PUuH548U-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260618/202606182256.PUuH548U-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/202606182256.PUuH548U-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from arch/x86/include/asm/current.h:5, from include/linux/sched.h:12, from include/linux/resume_user_mode.h:6, from include/linux/entry-virt.h:6, from include/linux/kvm_host.h:5, from arch/x86/kvm/x86.c:20: >> include/linux/build_bug.h:80:41: error: static assertion failed: "SIZE_OF_MEMSLOTS_HASHTABLE == (1024 * (1 + IS_ENABLED(CONFIG_X86_64)) * (1 + IS_ENABLED(CONFIG_KVM_SMM)))" 80 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg) | ^~~~~~~~~~~~~~ include/linux/build_bug.h:79:34: note: in expansion of macro '__static_assert' 79 | #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr) | ^~~~~~~~~~~~~~~ arch/x86/kvm/x86.h:63:1: note: in expansion of macro 'static_assert' 63 | static_assert(SIZE_OF_MEMSLOTS_HASHTABLE == | ^~~~~~~~~~~~~ -- In file included from include/linux/init.h:5, from arch/x86/include/asm/mem_encrypt.h:15, from include/linux/mem_encrypt.h:17, from arch/x86/include/asm/processor-flags.h:6, from arch/x86/include/asm/processor.h:5, from arch/x86/include/asm/timex.h:5, from include/linux/timex.h:67, from include/linux/time32.h:13, from include/linux/time.h:60, from include/linux/stat.h:19, from include/linux/fs_dirent.h:5, from include/linux/fs/super_types.h:5, from include/linux/fs/super.h:5, from include/linux/fs.h:5, from include/linux/highmem.h:5, from arch/x86/kvm/vmx/vmx.c:17: >> include/linux/build_bug.h:80:41: error: static assertion failed: "SIZE_OF_MEMSLOTS_HASHTABLE == (1024 * (1 + IS_ENABLED(CONFIG_X86_64)) * (1 + IS_ENABLED(CONFIG_KVM_SMM)))" 80 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg) | ^~~~~~~~~~~~~~ include/linux/build_bug.h:79:34: note: in expansion of macro '__static_assert' 79 | #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr) | ^~~~~~~~~~~~~~~ arch/x86/kvm/vmx/../x86.h:63:1: note: in expansion of macro 'static_assert' 63 | static_assert(SIZE_OF_MEMSLOTS_HASHTABLE == | ^~~~~~~~~~~~~ -- In file included from arch/x86/include/asm/current.h:5, from include/linux/sched.h:12, from include/linux/nmi.h:8, from arch/x86/include/asm/mshyperv.h:6, from arch/x86/kvm/svm/hyperv.h:9, from arch/x86/kvm/svm/hyperv.c:7: >> include/linux/build_bug.h:80:41: error: static assertion failed: "SIZE_OF_MEMSLOTS_HASHTABLE == (1024 * (1 + IS_ENABLED(CONFIG_X86_64)) * (1 + IS_ENABLED(CONFIG_KVM_SMM)))" 80 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg) | ^~~~~~~~~~~~~~ include/linux/build_bug.h:79:34: note: in expansion of macro '__static_assert' 79 | #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr) | ^~~~~~~~~~~~~~~ arch/x86/kvm/svm/../x86.h:63:1: note: in expansion of macro 'static_assert' 63 | static_assert(SIZE_OF_MEMSLOTS_HASHTABLE == | ^~~~~~~~~~~~~ -- In file included from arch/x86/include/asm/current.h:5, from include/linux/sched.h:12, from include/linux/resume_user_mode.h:6, from include/linux/entry-virt.h:6, from include/linux/kvm_host.h:5, from x86.c:20: >> include/linux/build_bug.h:80:41: error: static assertion failed: "SIZE_OF_MEMSLOTS_HASHTABLE == (1024 * (1 + IS_ENABLED(CONFIG_X86_64)) * (1 + IS_ENABLED(CONFIG_KVM_SMM)))" 80 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg) | ^~~~~~~~~~~~~~ include/linux/build_bug.h:79:34: note: in expansion of macro '__static_assert' 79 | #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr) | ^~~~~~~~~~~~~~~ x86.h:63:1: note: in expansion of macro 'static_assert' 63 | static_assert(SIZE_OF_MEMSLOTS_HASHTABLE == | ^~~~~~~~~~~~~ -- In file included from include/linux/init.h:5, from arch/x86/include/asm/mem_encrypt.h:15, from include/linux/mem_encrypt.h:17, from arch/x86/include/asm/processor-flags.h:6, from arch/x86/include/asm/processor.h:5, from arch/x86/include/asm/timex.h:5, from include/linux/timex.h:67, from include/linux/time32.h:13, from include/linux/time.h:60, from include/linux/stat.h:19, from include/linux/fs_dirent.h:5, from include/linux/fs/super_types.h:5, from include/linux/fs/super.h:5, from include/linux/fs.h:5, from include/linux/highmem.h:5, from vmx/vmx.c:17: >> include/linux/build_bug.h:80:41: error: static assertion failed: "SIZE_OF_MEMSLOTS_HASHTABLE == (1024 * (1 + IS_ENABLED(CONFIG_X86_64)) * (1 + IS_ENABLED(CONFIG_KVM_SMM)))" 80 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg) | ^~~~~~~~~~~~~~ include/linux/build_bug.h:79:34: note: in expansion of macro '__static_assert' 79 | #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr) | ^~~~~~~~~~~~~~~ vmx/../x86.h:63:1: note: in expansion of macro 'static_assert' 63 | static_assert(SIZE_OF_MEMSLOTS_HASHTABLE == | ^~~~~~~~~~~~~ -- In file included from arch/x86/include/asm/current.h:5, from include/linux/sched.h:12, from include/linux/nmi.h:8, from arch/x86/include/asm/mshyperv.h:6, from svm/hyperv.h:9, from svm/hyperv.c:7: >> include/linux/build_bug.h:80:41: error: static assertion failed: "SIZE_OF_MEMSLOTS_HASHTABLE == (1024 * (1 + IS_ENABLED(CONFIG_X86_64)) * (1 + IS_ENABLED(CONFIG_KVM_SMM)))" 80 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg) | ^~~~~~~~~~~~~~ include/linux/build_bug.h:79:34: note: in expansion of macro '__static_assert' 79 | #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr) | ^~~~~~~~~~~~~~~ svm/../x86.h:63:1: note: in expansion of macro 'static_assert' 63 | static_assert(SIZE_OF_MEMSLOTS_HASHTABLE == | ^~~~~~~~~~~~~ vim +80 include/linux/build_bug.h bc6245e5efd70c Ian Abbott 2017-07-10 61 6bab69c65013be Rasmus Villemoes 2019-03-07 62 /** 6bab69c65013be Rasmus Villemoes 2019-03-07 63 * static_assert - check integer constant expression at build time 6ffd853b0b10e1 Randy Dunlap 2026-03-01 64 * @expr: expression to be checked 6bab69c65013be Rasmus Villemoes 2019-03-07 65 * 6bab69c65013be Rasmus Villemoes 2019-03-07 66 * static_assert() is a wrapper for the C11 _Static_assert, with a 6bab69c65013be Rasmus Villemoes 2019-03-07 67 * little macro magic to make the message optional (defaulting to the 6bab69c65013be Rasmus Villemoes 2019-03-07 68 * stringification of the tested expression). 6bab69c65013be Rasmus Villemoes 2019-03-07 69 * 6bab69c65013be Rasmus Villemoes 2019-03-07 70 * Contrary to BUILD_BUG_ON(), static_assert() can be used at global 6bab69c65013be Rasmus Villemoes 2019-03-07 71 * scope, but requires the expression to be an integer constant 6bab69c65013be Rasmus Villemoes 2019-03-07 72 * expression (i.e., it is not enough that __builtin_constant_p() is 6bab69c65013be Rasmus Villemoes 2019-03-07 73 * true for expr). 6bab69c65013be Rasmus Villemoes 2019-03-07 74 * 6bab69c65013be Rasmus Villemoes 2019-03-07 75 * Also note that BUILD_BUG_ON() fails the build if the condition is 6bab69c65013be Rasmus Villemoes 2019-03-07 76 * true, while static_assert() fails the build if the expression is 6bab69c65013be Rasmus Villemoes 2019-03-07 77 * false. 6bab69c65013be Rasmus Villemoes 2019-03-07 78 */ 6bab69c65013be Rasmus Villemoes 2019-03-07 79 #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr) 6bab69c65013be Rasmus Villemoes 2019-03-07 @80 #define __static_assert(expr, msg, ...) _Static_assert(expr, msg) 6bab69c65013be Rasmus Villemoes 2019-03-07 81 07a368b3f55a79 Maxim Levitsky 2022-10-25 82 :::::: The code at line 80 was first introduced by commit :::::: 6bab69c65013bed5fce9f101a64a84d0385b3946 build_bug.h: add wrapper for _Static_assert :::::: TO: Rasmus Villemoes :::::: CC: Linus Torvalds -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki