Messages in this thread | | | Date | Tue, 5 Dec 2017 00:48:24 +0800 | From | kbuild test robot <> | Subject | [tip:WIP.x86/kpti 50/65] include/linux/compiler.h:319:38: error: call to '__compiletime_assert_254' declared with attribute error: BUILD_BUG_ON failed: pgd_index(EFI_VA_END) != pgd_index(MODULES_END) |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git WIP.x86/kpti head: c7ddf30cab554658b154ee16ae5e5d577ff530bf commit: 9ebd9d9cdbc90021a5e320fb054cf48c027e6d34 [50/65] x86/fixmap: Add ldt entries to user shared fixmap config: x86_64-allmodconfig (attached as .config) compiler: gcc-7 (Debian 7.2.0-12) 7.2.1 20171025 reproduce: git checkout 9ebd9d9cdbc90021a5e320fb054cf48c027e6d34 # save the attached .config to linux build tree make ARCH=x86_64
All error/warnings (new ones prefixed by >>):
In file included from include/linux/kernel.h:10:0, from arch/x86//platform/efi/efi_64.c:21: arch/x86//platform/efi/efi_64.c: In function 'efi_sync_low_kernel_mappings': >> include/linux/compiler.h:319:38: error: call to '__compiletime_assert_254' declared with attribute error: BUILD_BUG_ON failed: pgd_index(EFI_VA_END) != pgd_index(MODULES_END) _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^ include/linux/compiler.h:299:4: note: in definition of macro '__compiletime_assert' prefix ## suffix(); \ ^~~~~~ include/linux/compiler.h:319:2: note: in expansion of macro '_compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:47:37: note: in expansion of macro 'compiletime_assert' #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) ^~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:71:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) ^~~~~~~~~~~~~~~~ >> arch/x86//platform/efi/efi_64.c:254:2: note: in expansion of macro 'BUILD_BUG_ON' BUILD_BUG_ON(pgd_index(EFI_VA_END) != pgd_index(MODULES_END)); ^~~~~~~~~~~~ >> include/linux/compiler.h:319:38: error: call to '__compiletime_assert_268' declared with attribute error: BUILD_BUG_ON failed: p4d_index(EFI_VA_END) != p4d_index(MODULES_END) _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^ include/linux/compiler.h:299:4: note: in definition of macro '__compiletime_assert' prefix ## suffix(); \ ^~~~~~ include/linux/compiler.h:319:2: note: in expansion of macro '_compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:47:37: note: in expansion of macro 'compiletime_assert' #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) ^~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:71:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) ^~~~~~~~~~~~~~~~ arch/x86//platform/efi/efi_64.c:268:2: note: in expansion of macro 'BUILD_BUG_ON' BUILD_BUG_ON(p4d_index(EFI_VA_END) != p4d_index(MODULES_END)); ^~~~~~~~~~~~ -- In file included from include/linux/kernel.h:10:0, from arch/x86/platform/efi/efi_64.c:21: arch/x86/platform/efi/efi_64.c: In function 'efi_sync_low_kernel_mappings': >> include/linux/compiler.h:319:38: error: call to '__compiletime_assert_254' declared with attribute error: BUILD_BUG_ON failed: pgd_index(EFI_VA_END) != pgd_index(MODULES_END) _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^ include/linux/compiler.h:299:4: note: in definition of macro '__compiletime_assert' prefix ## suffix(); \ ^~~~~~ include/linux/compiler.h:319:2: note: in expansion of macro '_compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:47:37: note: in expansion of macro 'compiletime_assert' #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) ^~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:71:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) ^~~~~~~~~~~~~~~~ arch/x86/platform/efi/efi_64.c:254:2: note: in expansion of macro 'BUILD_BUG_ON' BUILD_BUG_ON(pgd_index(EFI_VA_END) != pgd_index(MODULES_END)); ^~~~~~~~~~~~ >> include/linux/compiler.h:319:38: error: call to '__compiletime_assert_268' declared with attribute error: BUILD_BUG_ON failed: p4d_index(EFI_VA_END) != p4d_index(MODULES_END) _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^ include/linux/compiler.h:299:4: note: in definition of macro '__compiletime_assert' prefix ## suffix(); \ ^~~~~~ include/linux/compiler.h:319:2: note: in expansion of macro '_compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:47:37: note: in expansion of macro 'compiletime_assert' #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) ^~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:71:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) ^~~~~~~~~~~~~~~~ arch/x86/platform/efi/efi_64.c:268:2: note: in expansion of macro 'BUILD_BUG_ON' BUILD_BUG_ON(p4d_index(EFI_VA_END) != p4d_index(MODULES_END)); ^~~~~~~~~~~~
vim +/__compiletime_assert_254 +319 include/linux/compiler.h
9a8ab1c3 Daniel Santos 2013-02-21 305 9a8ab1c3 Daniel Santos 2013-02-21 306 #define _compiletime_assert(condition, msg, prefix, suffix) \ 9a8ab1c3 Daniel Santos 2013-02-21 307 __compiletime_assert(condition, msg, prefix, suffix) 9a8ab1c3 Daniel Santos 2013-02-21 308 9a8ab1c3 Daniel Santos 2013-02-21 309 /** 9a8ab1c3 Daniel Santos 2013-02-21 310 * compiletime_assert - break build and emit msg if condition is false 9a8ab1c3 Daniel Santos 2013-02-21 311 * @condition: a compile-time constant condition to check 9a8ab1c3 Daniel Santos 2013-02-21 312 * @msg: a message to emit if condition is false 9a8ab1c3 Daniel Santos 2013-02-21 313 * 9a8ab1c3 Daniel Santos 2013-02-21 314 * In tradition of POSIX assert, this macro will break the build if the 9a8ab1c3 Daniel Santos 2013-02-21 315 * supplied condition is *false*, emitting the supplied error message if the 9a8ab1c3 Daniel Santos 2013-02-21 316 * compiler has support to do so. 9a8ab1c3 Daniel Santos 2013-02-21 317 */ 9a8ab1c3 Daniel Santos 2013-02-21 318 #define compiletime_assert(condition, msg) \ 9a8ab1c3 Daniel Santos 2013-02-21 @319 _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) 9a8ab1c3 Daniel Santos 2013-02-21 320
:::::: The code at line 319 was first introduced by commit :::::: 9a8ab1c39970a4938a72d94e6fd13be88a797590 bug.h, compiler.h: introduce compiletime_assert & BUILD_BUG_ON_MSG
:::::: TO: Daniel Santos <daniel.santos@pobox.com> :::::: CC: Linus Torvalds <torvalds@linux-foundation.org>
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