[kbuild-all] [chrome-os:chromeos-4.19 5/5] arch/x86/include/asm/pgtable-2level_types.h:18:3: error: conflicting types for 'pte_t'

tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-4.19 head: 22adb7840eaea049c693cece0bd54fb4d010f937 commit: 22adb7840eaea049c693cece0bd54fb4d010f937 [5/5] Revert "FIXUP: BACKPORT: FROMLIST: x86/kvm: Add definitions for virtual suspend time injection" config: um-i386_defconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): git remote add chrome-os https://chromium.googlesource.com/chromiumos/third_party/kernel git fetch --no-tags chrome-os chromeos-4.19 git checkout 22adb7840eaea049c693cece0bd54fb4d010f937 # save the attached .config to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=um SUBARCH=i386 SHELL=/bin/bash kernel/time/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All error/warnings (new ones prefixed by >>): include/linux/mm.h:1967:2: note: in expansion of macro 'pgtable_cache_init' 1967 | pgtable_cache_init(); | ^~~~~~~~~~~~~~~~~~ In file included from arch/x86/include/asm/kvm_host.h:33, from include/linux/kvm_host.h:40, from kernel/time/timekeeping.c:29: arch/x86/um/asm/desc.h: At top level: arch/x86/um/asm/desc.h:7: warning: "LDT_empty" redefined 7 | #define LDT_empty(info) (\ | In file included from arch/um/include/asm/mmu.h:10, from include/linux/mm_types.h:20, from include/linux/mm.h:17, from kernel/time/timekeeping.c:16: arch/x86/um/asm/mm_context.h:65: note: this is the location of the previous definition 65 | #define LDT_empty(info) (_LDT_empty(info)) | In file included from arch/x86/include/asm/pgtable_types.h:8, from arch/x86/include/asm/pat.h:6, from arch/x86/include/asm/mtrr.h:27, from arch/x86/include/asm/kvm_host.h:34, from include/linux/kvm_host.h:40, from kernel/time/timekeeping.c:29: arch/x86/include/asm/page_types.h:11: warning: "PAGE_SIZE" redefined 11 | #define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT) | In file included from arch/um/include/asm/thread_info.h:15, from include/linux/thread_info.h:39, from include/asm-generic/preempt.h:5, from ./arch/um/include/generated/asm/preempt.h:1, from include/linux/preempt.h:81, from include/linux/spinlock.h:51, from include/linux/seqlock.h:36, from include/linux/time.h:6, from include/uapi/linux/timex.h:56, from include/linux/timex.h:56, from include/linux/clocksource.h:13, from include/linux/timekeeper_internal.h:10, from kernel/time/timekeeping.c:11: arch/um/include/asm/page.h:14: note: this is the location of the previous definition 14 | #define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT) | In file included from arch/x86/include/asm/pgtable_types.h:8, from arch/x86/include/asm/pat.h:6, from arch/x86/include/asm/mtrr.h:27, from arch/x86/include/asm/kvm_host.h:34, from include/linux/kvm_host.h:40, from kernel/time/timekeeping.c:29: arch/x86/include/asm/page_types.h:36: warning: "PAGE_OFFSET" redefined 36 | #define PAGE_OFFSET ((unsigned long)__PAGE_OFFSET) | In file included from arch/um/include/asm/thread_info.h:15, from include/linux/thread_info.h:39, from include/asm-generic/preempt.h:5, from ./arch/um/include/generated/asm/preempt.h:1, from include/linux/preempt.h:81, from include/linux/spinlock.h:51, from include/linux/seqlock.h:36, from include/linux/time.h:6, from include/uapi/linux/timex.h:56, from include/linux/timex.h:56, from include/linux/clocksource.h:13, from include/linux/timekeeper_internal.h:10, from kernel/time/timekeeping.c:11: arch/um/include/asm/page.h:93: note: this is the location of the previous definition 93 | #define PAGE_OFFSET (uml_physmem) | In file included from arch/x86/include/asm/pgtable_types.h:8, from arch/x86/include/asm/pat.h:6, from arch/x86/include/asm/mtrr.h:27, from arch/x86/include/asm/kvm_host.h:34, from include/linux/kvm_host.h:40, from kernel/time/timekeeping.c:29: arch/x86/include/asm/page_types.h:38: warning: "VM_DATA_DEFAULT_FLAGS" redefined 38 | #define VM_DATA_DEFAULT_FLAGS \ | In file included from arch/um/include/asm/page.h:23, from arch/um/include/asm/thread_info.h:15, from include/linux/thread_info.h:39, from include/asm-generic/preempt.h:5, from ./arch/um/include/generated/asm/preempt.h:1, from include/linux/preempt.h:81, from include/linux/spinlock.h:51, from include/linux/seqlock.h:36, from include/linux/time.h:6, from include/uapi/linux/timex.h:56, from include/linux/timex.h:56, from include/linux/clocksource.h:13, from include/linux/timekeeper_internal.h:10, from kernel/time/timekeeping.c:11: arch/x86/um/asm/vm-flags.h:12: note: this is the location of the previous definition 12 | #define VM_DATA_DEFAULT_FLAGS \ | In file included from arch/x86/include/asm/page_types.h:51, from arch/x86/include/asm/pgtable_types.h:8, from arch/x86/include/asm/pat.h:6, from arch/x86/include/asm/mtrr.h:27, from arch/x86/include/asm/kvm_host.h:34, from include/linux/kvm_host.h:40, from kernel/time/timekeeping.c:29: 22 | #define THREAD_SIZE_ORDER 1 | In file included from include/linux/thread_info.h:39, from include/asm-generic/preempt.h:5, from ./arch/um/include/generated/asm/preempt.h:1, from include/linux/preempt.h:81, from include/linux/spinlock.h:51, from include/linux/seqlock.h:36, from include/linux/time.h:6, from include/uapi/linux/timex.h:56, from include/linux/timex.h:56, from include/linux/clocksource.h:13, from include/linux/timekeeper_internal.h:10, from kernel/time/timekeeping.c:11: arch/um/include/asm/thread_info.h:9: note: this is the location of the previous definition 9 | #define THREAD_SIZE_ORDER CONFIG_KERNEL_STACK_ORDER | In file included from arch/x86/include/asm/page_types.h:51, from arch/x86/include/asm/pgtable_types.h:8, from arch/x86/include/asm/pat.h:6, from arch/x86/include/asm/mtrr.h:27, from arch/x86/include/asm/kvm_host.h:34, from include/linux/kvm_host.h:40, from kernel/time/timekeeping.c:29: 23 | #define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER) | In file included from include/linux/thread_info.h:39, from include/asm-generic/preempt.h:5, from ./arch/um/include/generated/asm/preempt.h:1, from include/linux/preempt.h:81, from include/linux/spinlock.h:51, from include/linux/seqlock.h:36, from include/linux/time.h:6, from include/uapi/linux/timex.h:56, from include/linux/timex.h:56, from include/linux/clocksource.h:13, from include/linux/timekeeper_internal.h:10, from kernel/time/timekeeping.c:11: arch/um/include/asm/thread_info.h:10: note: this is the location of the previous definition 10 | #define THREAD_SIZE ((1 << CONFIG_KERNEL_STACK_ORDER) * PAGE_SIZE) | In file included from arch/x86/include/asm/pgtable_types.h:8, from arch/x86/include/asm/pat.h:6, from arch/x86/include/asm/mtrr.h:27, from arch/x86/include/asm/kvm_host.h:34, from include/linux/kvm_host.h:40, from kernel/time/timekeeping.c:29: arch/x86/include/asm/page_types.h:52: warning: "IOREMAP_MAX_ORDER" redefined 52 | #define IOREMAP_MAX_ORDER (PMD_SHIFT) | In file included from include/asm-generic/io.h:894, from arch/um/include/asm/io.h:16, from include/linux/clocksource.h:21, from include/linux/timekeeper_internal.h:10, from kernel/time/timekeeping.c:11: include/linux/vmalloc.h:31: note: this is the location of the previous definition 31 | #define IOREMAP_MAX_ORDER (7 + PAGE_SHIFT) /* 128 pages */ | In file included from arch/x86/include/asm/pat.h:6, from arch/x86/include/asm/mtrr.h:27, from arch/x86/include/asm/kvm_host.h:34, from include/linux/kvm_host.h:40, from kernel/time/timekeeping.c:29: arch/x86/include/asm/pgtable_types.h:42: warning: "_PAGE_PRESENT" redefined 42 | #define _PAGE_PRESENT (_AT(pteval_t, 1) << _PAGE_BIT_PRESENT) | In file included from include/linux/memremap.h:7, from include/linux/mm.h:27, from kernel/time/timekeeping.c:16: arch/um/include/asm/pgtable.h:13: note: this is the location of the previous definition 13 | #define _PAGE_PRESENT 0x001 | In file included from arch/x86/include/asm/pat.h:6, from arch/x86/include/asm/mtrr.h:27, from arch/x86/include/asm/kvm_host.h:34, from include/linux/kvm_host.h:40, from kernel/time/timekeeping.c:29: arch/x86/include/asm/pgtable_types.h:43: warning: "_PAGE_RW" redefined 43 | #define _PAGE_RW (_AT(pteval_t, 1) << _PAGE_BIT_RW) | In file included from include/linux/memremap.h:7, from include/linux/mm.h:27, from kernel/time/timekeeping.c:16: arch/um/include/asm/pgtable.h:16: note: this is the location of the previous definition 16 | #define _PAGE_RW 0x020 | In file included from arch/x86/include/asm/pat.h:6, from arch/x86/include/asm/mtrr.h:27, from arch/x86/include/asm/kvm_host.h:34, from include/linux/kvm_host.h:40, from kernel/time/timekeeping.c:29: arch/x86/include/asm/pgtable_types.h:44: warning: "_PAGE_USER" redefined 44 | #define _PAGE_USER (_AT(pteval_t, 1) << _PAGE_BIT_USER) | In file included from include/linux/memremap.h:7, from include/linux/mm.h:27, from kernel/time/timekeeping.c:16: arch/um/include/asm/pgtable.h:17: note: this is the location of the previous definition 17 | #define _PAGE_USER 0x040 | In file included from arch/x86/include/asm/pat.h:6, from arch/x86/include/asm/mtrr.h:27, from arch/x86/include/asm/kvm_host.h:34, from include/linux/kvm_host.h:40, from kernel/time/timekeeping.c:29: arch/x86/include/asm/pgtable_types.h:47: warning: "_PAGE_ACCESSED" redefined 47 | #define _PAGE_ACCESSED (_AT(pteval_t, 1) << _PAGE_BIT_ACCESSED) | In file included from include/linux/memremap.h:7, from include/linux/mm.h:27, from kernel/time/timekeeping.c:16: arch/um/include/asm/pgtable.h:18: note: this is the location of the previous definition 18 | #define _PAGE_ACCESSED 0x080 | In file included from arch/x86/include/asm/pat.h:6, from arch/x86/include/asm/mtrr.h:27, from arch/x86/include/asm/kvm_host.h:34, from include/linux/kvm_host.h:40, from kernel/time/timekeeping.c:29: arch/x86/include/asm/pgtable_types.h:48: warning: "_PAGE_DIRTY" redefined 48 | #define _PAGE_DIRTY (_AT(pteval_t, 1) << _PAGE_BIT_DIRTY) | In file included from include/linux/memremap.h:7, from include/linux/mm.h:27, -- arch/x86/include/asm/pgtable_types.h:224: warning: "__P101" redefined 224 | #define __P101 PAGE_READONLY_EXEC | In file included from include/linux/memremap.h:7, from include/linux/mm.h:27, from kernel/time/timekeeping.c:16: arch/um/include/asm/pgtable.h:78: note: this is the location of the previous definition 78 | #define __P101 PAGE_READONLY | In file included from arch/x86/include/asm/pat.h:6, from arch/x86/include/asm/mtrr.h:27, from arch/x86/include/asm/kvm_host.h:34, from include/linux/kvm_host.h:40, from kernel/time/timekeeping.c:29: arch/x86/include/asm/pgtable_types.h:225: warning: "__P110" redefined 225 | #define __P110 PAGE_COPY_EXEC | In file included from include/linux/memremap.h:7, from include/linux/mm.h:27, from kernel/time/timekeeping.c:16: arch/um/include/asm/pgtable.h:79: note: this is the location of the previous definition 79 | #define __P110 PAGE_COPY | In file included from arch/x86/include/asm/pat.h:6, from arch/x86/include/asm/mtrr.h:27, from arch/x86/include/asm/kvm_host.h:34, from include/linux/kvm_host.h:40, from kernel/time/timekeeping.c:29: arch/x86/include/asm/pgtable_types.h:226: warning: "__P111" redefined 226 | #define __P111 PAGE_COPY_EXEC | In file included from include/linux/memremap.h:7, from include/linux/mm.h:27, from kernel/time/timekeeping.c:16: arch/um/include/asm/pgtable.h:80: note: this is the location of the previous definition 80 | #define __P111 PAGE_COPY | In file included from arch/x86/include/asm/pat.h:6, from arch/x86/include/asm/mtrr.h:27, from arch/x86/include/asm/kvm_host.h:34, from include/linux/kvm_host.h:40, from kernel/time/timekeeping.c:29: arch/x86/include/asm/pgtable_types.h:232: warning: "__S100" redefined 232 | #define __S100 PAGE_READONLY_EXEC | In file included from include/linux/memremap.h:7, from include/linux/mm.h:27, from kernel/time/timekeeping.c:16: arch/um/include/asm/pgtable.h:86: note: this is the location of the previous definition 86 | #define __S100 PAGE_READONLY | In file included from arch/x86/include/asm/pat.h:6, from arch/x86/include/asm/mtrr.h:27, from arch/x86/include/asm/kvm_host.h:34, from include/linux/kvm_host.h:40, from kernel/time/timekeeping.c:29: arch/x86/include/asm/pgtable_types.h:233: warning: "__S101" redefined 233 | #define __S101 PAGE_READONLY_EXEC | In file included from include/linux/memremap.h:7, from include/linux/mm.h:27, from kernel/time/timekeeping.c:16: arch/um/include/asm/pgtable.h:87: note: this is the location of the previous definition 87 | #define __S101 PAGE_READONLY | In file included from arch/x86/include/asm/pat.h:6, from arch/x86/include/asm/mtrr.h:27, from arch/x86/include/asm/kvm_host.h:34, from include/linux/kvm_host.h:40, from kernel/time/timekeeping.c:29: arch/x86/include/asm/pgtable_types.h:234: warning: "__S110" redefined 234 | #define __S110 PAGE_SHARED_EXEC | In file included from include/linux/memremap.h:7, from include/linux/mm.h:27, from kernel/time/timekeeping.c:16: arch/um/include/asm/pgtable.h:88: note: this is the location of the previous definition 88 | #define __S110 PAGE_SHARED | In file included from arch/x86/include/asm/pat.h:6, from arch/x86/include/asm/mtrr.h:27, from arch/x86/include/asm/kvm_host.h:34, from include/linux/kvm_host.h:40, from kernel/time/timekeeping.c:29: arch/x86/include/asm/pgtable_types.h:235: warning: "__S111" redefined 235 | #define __S111 PAGE_SHARED_EXEC | In file included from include/linux/memremap.h:7, from include/linux/mm.h:27, from kernel/time/timekeeping.c:16: arch/um/include/asm/pgtable.h:89: note: this is the location of the previous definition 89 | #define __S111 PAGE_SHARED | In file included from arch/x86/include/asm/pgtable_32_types.h:15, from arch/x86/include/asm/pgtable_types.h:249, from arch/x86/include/asm/pat.h:6, from arch/x86/include/asm/mtrr.h:27, from arch/x86/include/asm/kvm_host.h:34, from include/linux/kvm_host.h:40, from kernel/time/timekeeping.c:29: 18 | } pte_t; | ^~~~~ In file included from arch/um/include/asm/thread_info.h:15, from include/linux/thread_info.h:39, from include/asm-generic/preempt.h:5, from ./arch/um/include/generated/asm/preempt.h:1, from include/linux/preempt.h:81, from include/linux/spinlock.h:51, from include/linux/seqlock.h:36, from include/linux/time.h:6, from include/uapi/linux/timex.h:56, from include/linux/timex.h:56, from include/linux/clocksource.h:13, from include/linux/timekeeper_internal.h:10, from kernel/time/timekeeping.c:11: arch/um/include/asm/page.h:37:39: note: previous declaration of 'pte_t' was here 37 | typedef struct { unsigned long pte; } pte_t; | ^~~~~ In file included from arch/x86/include/asm/pgtable_32_types.h:15, from arch/x86/include/asm/pgtable_types.h:249, from arch/x86/include/asm/pat.h:6, from arch/x86/include/asm/mtrr.h:27, from arch/x86/include/asm/kvm_host.h:34, from include/linux/kvm_host.h:40, from kernel/time/timekeeping.c:29: 27 | #define PGDIR_SHIFT 22 | In file included from arch/um/include/asm/pgtable.h:25, from include/linux/memremap.h:7, from include/linux/mm.h:27, from kernel/time/timekeeping.c:16: arch/um/include/asm/pgtable-3level.h:18: note: this is the location of the previous definition 18 | #define PGDIR_SHIFT 31 | In file included from arch/x86/include/asm/pgtable_32_types.h:15, from arch/x86/include/asm/pgtable_types.h:249, from arch/x86/include/asm/pat.h:6, from arch/x86/include/asm/mtrr.h:27, from arch/x86/include/asm/kvm_host.h:34, from include/linux/kvm_host.h:40, from kernel/time/timekeeping.c:29: 36 | #define PTRS_PER_PTE 1024 | In file included from arch/um/include/asm/pgtable.h:25, from include/linux/memremap.h:7, from include/linux/mm.h:27, from kernel/time/timekeeping.c:16: arch/um/include/asm/pgtable-3level.h:35: note: this is the location of the previous definition 35 | #define PTRS_PER_PTE 512 | In file included from arch/x86/include/asm/pgtable_types.h:249, from arch/x86/include/asm/pat.h:6, from arch/x86/include/asm/mtrr.h:27, from arch/x86/include/asm/kvm_host.h:34, from include/linux/kvm_host.h:40, from kernel/time/timekeeping.c:29: 21 | #define PGDIR_MASK (~(PGDIR_SIZE - 1)) | In file included from arch/um/include/asm/pgtable.h:25, from include/linux/memremap.h:7, from include/linux/mm.h:27, from kernel/time/timekeeping.c:16: arch/um/include/asm/pgtable-3level.h:21: note: this is the location of the previous definition 21 | #define PGDIR_MASK (~(PGDIR_SIZE-1)) | In file included from arch/x86/include/asm/pgtable_types.h:249, from arch/x86/include/asm/pat.h:6, from arch/x86/include/asm/mtrr.h:27, from arch/x86/include/asm/kvm_host.h:34, from include/linux/kvm_host.h:40, from kernel/time/timekeeping.c:29: 30 | #define VMALLOC_OFFSET (8 * 1024 * 1024) | In file included from include/linux/memremap.h:7, from include/linux/mm.h:27, from kernel/time/timekeeping.c:16: arch/um/include/asm/pgtable.h:47: note: this is the location of the previous definition 47 | #define VMALLOC_OFFSET (__va_space) | In file included from arch/x86/include/asm/pgtable_types.h:249, from arch/x86/include/asm/pat.h:6, from arch/x86/include/asm/mtrr.h:27, from arch/x86/include/asm/kvm_host.h:34, from include/linux/kvm_host.h:40, from kernel/time/timekeeping.c:29: 36 | #define VMALLOC_START ((unsigned long)high_memory + VMALLOC_OFFSET) | In file included from include/linux/memremap.h:7, from include/linux/mm.h:27, from kernel/time/timekeeping.c:16: arch/um/include/asm/pgtable.h:48: note: this is the location of the previous definition 48 | #define VMALLOC_START ((end_iomem + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)) | In file included from arch/x86/include/asm/pgtable_types.h:249, from arch/x86/include/asm/pat.h:6, from arch/x86/include/asm/mtrr.h:27, from arch/x86/include/asm/kvm_host.h:34, from include/linux/kvm_host.h:40, from kernel/time/timekeeping.c:29: 58 | #define PKMAP_BASE \ | In file included from include/linux/memremap.h:7, from include/linux/mm.h:27, from kernel/time/timekeeping.c:16: arch/um/include/asm/pgtable.h:49: note: this is the location of the previous definition 49 | #define PKMAP_BASE ((FIXADDR_START - LAST_PKMAP * PAGE_SIZE) & PMD_MASK) | In file included from arch/x86/include/asm/pgtable_types.h:249, from arch/x86/include/asm/pat.h:6, from arch/x86/include/asm/mtrr.h:27, from arch/x86/include/asm/kvm_host.h:34, from include/linux/kvm_host.h:40, from kernel/time/timekeeping.c:29: 64 | # define VMALLOC_END (LDT_BASE_ADDR - 2 * PAGE_SIZE) | In file included from include/linux/memremap.h:7, from include/linux/mm.h:27, from kernel/time/timekeeping.c:16: arch/um/include/asm/pgtable.h:50: note: this is the location of the previous definition 50 | #define VMALLOC_END (FIXADDR_START-2*PAGE_SIZE) | In file included from arch/x86/include/asm/pat.h:6, from arch/x86/include/asm/mtrr.h:27, from arch/x86/include/asm/kvm_host.h:34, from include/linux/kvm_host.h:40, from kernel/time/timekeeping.c:29: arch/x86/include/asm/pgtable_types.h:267:47: error: conflicting types for 'pgprot_t' 267 | typedef struct pgprot { pgprotval_t pgprot; } pgprot_t; | ^~~~~~~~ In file included from arch/um/include/asm/thread_info.h:15, from include/linux/thread_info.h:39, from include/asm-generic/preempt.h:5, from ./arch/um/include/generated/asm/preempt.h:1, from include/linux/preempt.h:81, from include/linux/spinlock.h:51, from include/linux/seqlock.h:36, from include/linux/time.h:6, from include/uapi/linux/timex.h:56, from include/linux/timex.h:56, from include/linux/clocksource.h:13, from include/linux/timekeeper_internal.h:10, from kernel/time/timekeeping.c:11: arch/um/include/asm/page.h:80:42: note: previous declaration of 'pgprot_t' was here 80 | typedef struct { unsigned long pgprot; } pgprot_t; | ^~~~~~~~ In file included from arch/x86/include/asm/pat.h:6, from arch/x86/include/asm/mtrr.h:27, from arch/x86/include/asm/kvm_host.h:34, from include/linux/kvm_host.h:40, from kernel/time/timekeeping.c:29: arch/x86/include/asm/pgtable_types.h:269:34: error: conflicting types for 'pgd_t' 269 | typedef struct { pgdval_t pgd; } pgd_t; | ^~~~~ In file included from arch/um/include/asm/thread_info.h:15, from include/linux/thread_info.h:39, from include/asm-generic/preempt.h:5, from ./arch/um/include/generated/asm/preempt.h:1, from include/linux/preempt.h:81, from include/linux/spinlock.h:51, from include/linux/seqlock.h:36, from include/linux/time.h:6, from include/uapi/linux/timex.h:56, from include/linux/timex.h:56, from include/linux/clocksource.h:13, from include/linux/timekeeper_internal.h:10, from kernel/time/timekeeping.c:11: arch/um/include/asm/page.h:39:39: note: previous declaration of 'pgd_t' was here 39 | typedef struct { unsigned long pgd; } pgd_t; | ^~~~~ In file included from include/asm-generic/pgtable-nop4d-hack.h:6, from include/asm-generic/pgtable-nopud.h:8, from arch/um/include/asm/pgtable-3level.h:11, from arch/um/include/asm/pgtable.h:25, from include/linux/memremap.h:7, from include/linux/mm.h:27, from kernel/time/timekeeping.c:16: include/asm-generic/5level-fixup.h:14:18: error: conflicting types for 'pgd_t' 14 | #define p4d_t pgd_t | ^~~~~ include/asm-generic/pgtable-nop4d.h:9:31: note: in expansion of macro 'p4d_t' 9 | typedef struct { pgd_t pgd; } p4d_t; | ^~~~~ In file included from arch/x86/include/asm/pat.h:6, from arch/x86/include/asm/mtrr.h:27, from arch/x86/include/asm/kvm_host.h:34, from include/linux/kvm_host.h:40, from kernel/time/timekeeping.c:29: arch/x86/include/asm/pgtable_types.h:269:34: note: previous declaration of 'pgd_t' was here 269 | typedef struct { pgdval_t pgd; } pgd_t; | ^~~~~ In file included from arch/x86/include/asm/pgtable_types.h:322, from arch/x86/include/asm/pat.h:6, from arch/x86/include/asm/mtrr.h:27, from arch/x86/include/asm/kvm_host.h:34, from include/linux/kvm_host.h:40, from kernel/time/timekeeping.c:29: include/asm-generic/pgtable-nop4d.h:14: warning: "P4D_SIZE" redefined 14 | #define P4D_SIZE (1UL << P4D_SHIFT) | In file included from include/asm-generic/pgtable-nop4d-hack.h:6, from include/asm-generic/pgtable-nopud.h:8, from arch/um/include/asm/pgtable-3level.h:11, from arch/um/include/asm/pgtable.h:25, from include/linux/memremap.h:7, from include/linux/mm.h:27, from kernel/time/timekeeping.c:16: include/asm-generic/5level-fixup.h:9: note: this is the location of the previous definition 9 | #define P4D_SIZE PGDIR_SIZE | In file included from arch/x86/include/asm/pgtable_types.h:322, from arch/x86/include/asm/pat.h:6, from arch/x86/include/asm/mtrr.h:27, from arch/x86/include/asm/kvm_host.h:34, .. vim +/pte_t +18 arch/x86/include/asm/pgtable-2level_types.h 54321d947ae9d6 arch/x86/include/asm/pgtable-2level_types.h Jeremy Fitzhardinge 2009-02-11 14 54321d947ae9d6 arch/x86/include/asm/pgtable-2level_types.h Jeremy Fitzhardinge 2009-02-11 15 typedef union { 54321d947ae9d6 arch/x86/include/asm/pgtable-2level_types.h Jeremy Fitzhardinge 2009-02-11 16 pteval_t pte; 54321d947ae9d6 arch/x86/include/asm/pgtable-2level_types.h Jeremy Fitzhardinge 2009-02-11 17 pteval_t pte_low; 54321d947ae9d6 arch/x86/include/asm/pgtable-2level_types.h Jeremy Fitzhardinge 2009-02-11 @18 } pte_t; 54321d947ae9d6 arch/x86/include/asm/pgtable-2level_types.h Jeremy Fitzhardinge 2009-02-11 19 #endif /* !__ASSEMBLY__ */ 54321d947ae9d6 arch/x86/include/asm/pgtable-2level_types.h Jeremy Fitzhardinge 2009-02-11 20 5311ab62cdc778 include/asm-i386/pgtable-2level-defs.h Jeremy Fitzhardinge 2007-05-02 21 #define SHARED_KERNEL_PMD 0 5311ab62cdc778 include/asm-i386/pgtable-2level-defs.h Jeremy Fitzhardinge 2007-05-02 22 ^1da177e4c3f41 include/asm-i386/pgtable-2level-defs.h Linus Torvalds 2005-04-16 23 /* ^1da177e4c3f41 include/asm-i386/pgtable-2level-defs.h Linus Torvalds 2005-04-16 24 * traditional i386 two-level paging structure: ^1da177e4c3f41 include/asm-i386/pgtable-2level-defs.h Linus Torvalds 2005-04-16 25 */ ^1da177e4c3f41 include/asm-i386/pgtable-2level-defs.h Linus Torvalds 2005-04-16 26 ^1da177e4c3f41 include/asm-i386/pgtable-2level-defs.h Linus Torvalds 2005-04-16 @27 #define PGDIR_SHIFT 22 ^1da177e4c3f41 include/asm-i386/pgtable-2level-defs.h Linus Torvalds 2005-04-16 28 #define PTRS_PER_PGD 1024 ^1da177e4c3f41 include/asm-i386/pgtable-2level-defs.h Linus Torvalds 2005-04-16 29 9b3651cbc26cfc arch/x86/include/asm/pgtable-2level_types.h Jeremy Fitzhardinge 2009-02-13 30 ^1da177e4c3f41 include/asm-i386/pgtable-2level-defs.h Linus Torvalds 2005-04-16 31 /* ^1da177e4c3f41 include/asm-i386/pgtable-2level-defs.h Linus Torvalds 2005-04-16 32 * the i386 is two-level, so we don't really have any ^1da177e4c3f41 include/asm-i386/pgtable-2level-defs.h Linus Torvalds 2005-04-16 33 * PMD directory physically. ^1da177e4c3f41 include/asm-i386/pgtable-2level-defs.h Linus Torvalds 2005-04-16 34 */ ^1da177e4c3f41 include/asm-i386/pgtable-2level-defs.h Linus Torvalds 2005-04-16 35 ^1da177e4c3f41 include/asm-i386/pgtable-2level-defs.h Linus Torvalds 2005-04-16 @36 #define PTRS_PER_PTE 1024 ^1da177e4c3f41 include/asm-i386/pgtable-2level-defs.h Linus Torvalds 2005-04-16 37 :::::: The code at line 18 was first introduced by commit :::::: 54321d947ae9d6a051b81e3eccaf2d8658aeecc6 x86: move pte types into pgtable*.h :::::: TO: Jeremy Fitzhardinge <jeremy.fitzhardinge(a)citrix.com&gt; :::::: CC: Jeremy Fitzhardinge <jeremy.fitzhardinge(a)citrix.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org