Hi Stanislav, kernel test robot noticed the following build errors:
[auto build test ERROR on linus/master] [also build test ERROR on v6.18-rc6] [cannot apply to next-20251119] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Stanislav-Kinsburskii/Drivers-hv-Refactor-and-rename-memory-region-handling-functions/20251118-010501 base: linus/master patch link: https://lore.kernel.org/r/176339837995.27330.14240947043073674139.stgit%40skinsburskii-cloud-desktop.internal.cloudapp.net patch subject: [PATCH v6 5/5] Drivers: hv: Add support for movable memory regions config: x86_64-randconfig-076-20251119 (https://download.01.org/0day-ci/archive/20251120/[email protected]/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/20251120/[email protected]/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 <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All errors (new ones prefixed by >>): In file included from include/vdso/const.h:5, from include/linux/const.h:4, from include/uapi/linux/kernel.h:6, from include/linux/cache.h:5, from arch/x86/include/asm/current.h:10, from include/linux/sched.h:12, from include/linux/resume_user_mode.h:6, from include/linux/entry-virt.h:6, from drivers/hv/mshv_root_main.c:11: In function 'mshv_region_handle_gfn_fault', inlined from 'mshv_handle_gpa_intercept' at drivers/hv/mshv_root_main.c:742:9, inlined from 'mshv_vp_handle_intercept' at drivers/hv/mshv_root_main.c:755:10, inlined from 'mshv_vp_ioctl_run_vp' at drivers/hv/mshv_root_main.c:769:22, inlined from 'mshv_vp_ioctl' at drivers/hv/mshv_root_main.c:958:7: >> include/linux/compiler_types.h:602:45: error: call to >> '__compiletime_assert_1093' declared with attribute error: BUILD_BUG failed 602 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^ include/uapi/linux/const.h:49:44: note: in definition of macro '__ALIGN_KERNEL_MASK' 49 | #define __ALIGN_KERNEL_MASK(x, mask) (((x) + (mask)) & ~(mask)) | ^ include/vdso/align.h:9:33: note: in expansion of macro '__ALIGN_KERNEL' 9 | #define ALIGN_DOWN(x, a) __ALIGN_KERNEL((x) - ((a) - 1), (a)) | ^~~~~~~~~~~~~~ drivers/hv/mshv_root_main.c:691:23: note: in expansion of macro 'ALIGN_DOWN' 691 | page_offset = ALIGN_DOWN(gfn - region->start_gfn, | ^~~~~~~~~~ include/linux/compiler_types.h:590:9: note: in expansion of macro '__compiletime_assert' 590 | __compiletime_assert(condition, msg, prefix, suffix) | ^~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:602:9: note: in expansion of macro '_compiletime_assert' 602 | _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:59:21: note: in expansion of macro 'BUILD_BUG_ON_MSG' 59 | #define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed") | ^~~~~~~~~~~~~~~~ include/linux/huge_mm.h:113:28: note: in expansion of macro 'BUILD_BUG' 113 | #define HPAGE_PMD_SHIFT ({ BUILD_BUG(); 0; }) | ^~~~~~~~~ include/linux/huge_mm.h:117:26: note: in expansion of macro 'HPAGE_PMD_SHIFT' 117 | #define HPAGE_PMD_ORDER (HPAGE_PMD_SHIFT-PAGE_SHIFT) | ^~~~~~~~~~~~~~~ include/linux/huge_mm.h:118:26: note: in expansion of macro 'HPAGE_PMD_ORDER' 118 | #define HPAGE_PMD_NR (1<<HPAGE_PMD_ORDER) | ^~~~~~~~~~~~~~~ drivers/hv/mshv_root_main.c:40:49: note: in expansion of macro 'HPAGE_PMD_NR' 40 | #define MSHV_MAP_FAULT_IN_PAGES HPAGE_PMD_NR | ^~~~~~~~~~~~ drivers/hv/mshv_root_main.c:692:34: note: in expansion of macro 'MSHV_MAP_FAULT_IN_PAGES' 692 | MSHV_MAP_FAULT_IN_PAGES); | ^~~~~~~~~~~~~~~~~~~~~~~ vim +/__compiletime_assert_1093 +602 include/linux/compiler_types.h eb5c2d4b45e3d2 Will Deacon 2020-07-21 588 eb5c2d4b45e3d2 Will Deacon 2020-07-21 589 #define _compiletime_assert(condition, msg, prefix, suffix) \ eb5c2d4b45e3d2 Will Deacon 2020-07-21 590 __compiletime_assert(condition, msg, prefix, suffix) eb5c2d4b45e3d2 Will Deacon 2020-07-21 591 eb5c2d4b45e3d2 Will Deacon 2020-07-21 592 /** eb5c2d4b45e3d2 Will Deacon 2020-07-21 593 * compiletime_assert - break build and emit msg if condition is false eb5c2d4b45e3d2 Will Deacon 2020-07-21 594 * @condition: a compile-time constant condition to check eb5c2d4b45e3d2 Will Deacon 2020-07-21 595 * @msg: a message to emit if condition is false eb5c2d4b45e3d2 Will Deacon 2020-07-21 596 * eb5c2d4b45e3d2 Will Deacon 2020-07-21 597 * In tradition of POSIX assert, this macro will break the build if the eb5c2d4b45e3d2 Will Deacon 2020-07-21 598 * supplied condition is *false*, emitting the supplied error message if the eb5c2d4b45e3d2 Will Deacon 2020-07-21 599 * compiler has support to do so. eb5c2d4b45e3d2 Will Deacon 2020-07-21 600 */ eb5c2d4b45e3d2 Will Deacon 2020-07-21 601 #define compiletime_assert(condition, msg) \ eb5c2d4b45e3d2 Will Deacon 2020-07-21 @602 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) eb5c2d4b45e3d2 Will Deacon 2020-07-21 603 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
