Hi Johannes, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: aae703b02f92bde9264366c545e87cec451de471 commit: 68f5d3f3b6543266b29e047cfaf9842333019b4c um: add PCI over virtio emulation driver date: 1 year, 4 months ago config: um-allyesconfig compiler: gcc-11 (Debian 11.3.0-8) 11.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=68f5d3f3b6543266b29e047cfaf9842333019b4c git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 68f5d3f3b6543266b29e047cfaf9842333019b4c # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=um SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All error/warnings (new ones prefixed by >>): In file included from arch/x86/um/asm/processor.h:41, from include/linux/mutex.h:19, from include/linux/kernfs.h:12, from include/linux/sysfs.h:16, from include/linux/kobject.h:20, from include/linux/pci.h:35, from drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_topology.c:25: drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_topology.c: In function 'kfd_cpumask_to_apic_id': >> arch/um/include/asm/processor-generic.h:97:19: error: called object is not a function or function pointer 97 | #define cpu_data (&boot_cpu_data) | ~^~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_topology.c:1500:16: note: in expansion of macro 'cpu_data' 1500 | return cpu_data(first_cpu_of_numa_node).apicid; | ^~~~~~~~ drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_topology.c:1504:1: error: control reaches end of non-void function [-Werror=return-type] 1504 | } | ^ cc1: some warnings being treated as errors -- In file included from arch/x86/um/asm/processor.h:41, from include/linux/mutex.h:19, from include/linux/kernfs.h:12, from include/linux/sysfs.h:16, from include/linux/kobject.h:20, from include/linux/pci.h:35, from drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_crat.c:23: drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_crat.c: In function 'kfd_fill_iolink_info_for_cpu': >> arch/um/include/asm/processor-generic.h:97:19: error: called object is not a function or function pointer 97 | #define cpu_data (&boot_cpu_data) | ~^~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_crat.c:921:34: note: in expansion of macro 'cpu_data' 921 | struct cpuinfo_x86 *c = &cpu_data(0); | ^~~~~~~~ >> drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_crat.c:924:14: error: invalid use of undefined type 'struct cpuinfo_x86' 924 | if (c->x86_vendor == X86_VENDOR_AMD) | ^~ >> drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_crat.c:924:30: error: 'X86_VENDOR_AMD' undeclared (first use in this function); did you mean 'X86_VENDOR_ANY'? 924 | if (c->x86_vendor == X86_VENDOR_AMD) | ^~~~~~~~~~~~~~ | X86_VENDOR_ANY drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_crat.c:924:30: note: each undeclared identifier is reported only once for each function it appears in -- drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c: In function '__wrap_iounmap': >> drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:207:24: warning: passing argument 1 of 'iounmap' discards 'volatile' qualifier from pointer target type [-Wdiscarded-qualifiers] 207 | return iounmap(addr); | ^~~~ In file included from arch/um/include/asm/io.h:7, from include/linux/io.h:13, from drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:13: include/asm-generic/logic_io.h:37:28: note: expected 'void *' but argument is of type 'volatile void *' 37 | void iounmap(void __iomem *addr); | ~~~~~~~~~~~~~~^~~~ -- drivers/infiniband/sw/rdmavt/qp.c: In function 'rvt_wss_llc_size': >> drivers/infiniband/sw/rdmavt/qp.c:130:29: error: 'struct cpuinfo_um' has no member named 'x86_cache_size' 130 | return boot_cpu_data.x86_cache_size; | ^ drivers/infiniband/sw/rdmavt/qp.c: In function 'cacheless_memcpy': >> drivers/infiniband/sw/rdmavt/qp.c:142:9: error: implicit declaration of function '__copy_user_nocache'; did you mean 'copy_user_page'? [-Werror=implicit-function-declaration] 142 | __copy_user_nocache(dst, (void __user *)src, n, 0); | ^~~~~~~~~~~~~~~~~~~ | copy_user_page drivers/infiniband/sw/rdmavt/qp.c: In function 'rvt_wss_llc_size': drivers/infiniband/sw/rdmavt/qp.c:131:1: error: control reaches end of non-void function [-Werror=return-type] 131 | } | ^ cc1: some warnings being treated as errors -- In file included from arch/x86/include/asm/pgtable_types.h:8, from arch/x86/include/asm/memtype.h:6, from arch/x86/include/asm/mtrr.h:27, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:41: >> 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:59, from include/asm-generic/current.h:5, from ./arch/um/include/generated/asm/current.h:1, from include/linux/mutex.h:14, from include/linux/kernfs.h:12, from include/linux/sysfs.h:16, from include/linux/kobject.h:20, from include/linux/pci.h:35, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:40: 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/memtype.h:6, from arch/x86/include/asm/mtrr.h:27, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:41: >> 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:59, from include/asm-generic/current.h:5, from ./arch/um/include/generated/asm/current.h:1, from include/linux/mutex.h:14, from include/linux/kernfs.h:12, from include/linux/sysfs.h:16, from include/linux/kobject.h:20, from include/linux/pci.h:35, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:40: 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/memtype.h:6, from arch/x86/include/asm/mtrr.h:27, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:41: >> arch/x86/include/asm/page_types.h:38: warning: "VM_DATA_DEFAULT_FLAGS" redefined 38 | #define VM_DATA_DEFAULT_FLAGS VM_DATA_FLAGS_TSK_EXEC | In file included from include/linux/scatterlist.h:8, from include/linux/dmapool.h:14, from include/linux/pci.h:1463, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:40: include/linux/mm.h:396: note: this is the location of the previous definition 396 | #define VM_DATA_DEFAULT_FLAGS VM_DATA_FLAGS_EXEC | In file included from arch/x86/include/asm/page_types.h:46, from arch/x86/include/asm/pgtable_types.h:8, from arch/x86/include/asm/memtype.h:6, from arch/x86/include/asm/mtrr.h:27, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:41: >> arch/x86/include/asm/page_64_types.h:15: warning: "THREAD_SIZE_ORDER" redefined 15 | #define THREAD_SIZE_ORDER (2 + KASAN_STACK_ORDER) | In file included from include/linux/thread_info.h:59, from include/asm-generic/current.h:5, from ./arch/um/include/generated/asm/current.h:1, from include/linux/mutex.h:14, from include/linux/kernfs.h:12, from include/linux/sysfs.h:16, from include/linux/kobject.h:20, from include/linux/pci.h:35, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:40: 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:46, from arch/x86/include/asm/pgtable_types.h:8, from arch/x86/include/asm/memtype.h:6, from arch/x86/include/asm/mtrr.h:27, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:41: >> arch/x86/include/asm/page_64_types.h:16: warning: "THREAD_SIZE" redefined 16 | #define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER) | In file included from include/linux/thread_info.h:59, from include/asm-generic/current.h:5, from ./arch/um/include/generated/asm/current.h:1, from include/linux/mutex.h:14, from include/linux/kernfs.h:12, from include/linux/sysfs.h:16, from include/linux/kobject.h:20, from include/linux/pci.h:35, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:40: 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/page_types.h:46, from arch/x86/include/asm/pgtable_types.h:8, from arch/x86/include/asm/memtype.h:6, from arch/x86/include/asm/mtrr.h:27, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:41: >> arch/x86/include/asm/page_64_types.h:75: warning: "TASK_SIZE" redefined 75 | #define TASK_SIZE (test_thread_flag(TIF_ADDR32) ? \ | In file included from arch/x86/um/asm/processor.h:41, from include/linux/mutex.h:19, from include/linux/kernfs.h:12, from include/linux/sysfs.h:16, from include/linux/kobject.h:20, from include/linux/pci.h:35, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:40: arch/um/include/asm/processor-generic.h:71: note: this is the location of the previous definition 71 | #define TASK_SIZE (task_size) | In file included from arch/x86/include/asm/page_types.h:46, from arch/x86/include/asm/pgtable_types.h:8, from arch/x86/include/asm/memtype.h:6, from arch/x86/include/asm/mtrr.h:27, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:41: >> arch/x86/include/asm/page_64_types.h:77: warning: "TASK_SIZE_OF" redefined 77 | #define TASK_SIZE_OF(child) ((test_tsk_thread_flag(child, TIF_ADDR32)) ? \ | In file included from include/linux/ratelimit.h:6, from include/linux/dev_printk.h:16, from include/linux/device.h:15, from include/linux/pci.h:37, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:40: include/linux/sched.h:2041: note: this is the location of the previous definition 2041 | #define TASK_SIZE_OF(tsk) TASK_SIZE | In file included from arch/x86/include/asm/page_types.h:46, from arch/x86/include/asm/pgtable_types.h:8, from arch/x86/include/asm/memtype.h:6, from arch/x86/include/asm/mtrr.h:27, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:41: >> arch/x86/include/asm/page_64_types.h:80: warning: "STACK_TOP" redefined 80 | #define STACK_TOP TASK_SIZE_LOW | In file included from arch/x86/um/asm/processor.h:41, from include/linux/mutex.h:19, from include/linux/kernfs.h:12, from include/linux/sysfs.h:16, from include/linux/kobject.h:20, from include/linux/pci.h:35, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:40: arch/um/include/asm/processor-generic.h:79: note: this is the location of the previous definition 79 | #define STACK_TOP (TASK_SIZE - 2 * PAGE_SIZE) | In file included from arch/x86/include/asm/page_types.h:46, from arch/x86/include/asm/pgtable_types.h:8, from arch/x86/include/asm/memtype.h:6, from arch/x86/include/asm/mtrr.h:27, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:41: >> arch/x86/include/asm/page_64_types.h:81: warning: "STACK_TOP_MAX" redefined 81 | #define STACK_TOP_MAX TASK_SIZE_MAX | In file included from arch/x86/um/asm/processor.h:41, from include/linux/mutex.h:19, from include/linux/kernfs.h:12, from include/linux/sysfs.h:16, from include/linux/kobject.h:20, from include/linux/pci.h:35, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:40: arch/um/include/asm/processor-generic.h:80: note: this is the location of the previous definition 80 | #define STACK_TOP_MAX STACK_TOP | In file included from arch/x86/include/asm/pgtable_types.h:8, from arch/x86/include/asm/memtype.h:6, from arch/x86/include/asm/mtrr.h:27, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:41: >> arch/x86/include/asm/page_types.h:47: warning: "IOREMAP_MAX_ORDER" redefined 47 | #define IOREMAP_MAX_ORDER (PUD_SHIFT) | In file included from include/asm-generic/io.h:911, from arch/um/include/asm/io.h:24, from include/linux/io.h:13, from include/linux/irq.h:20, from include/asm-generic/hardirq.h:17, from arch/um/include/asm/hardirq.h:5, from include/linux/hardirq.h:11, from include/linux/interrupt.h:11, from include/linux/pci.h:38, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:40: include/linux/vmalloc.h:49: note: this is the location of the previous definition 49 | #define IOREMAP_MAX_ORDER (7 + PAGE_SHIFT) /* 128 pages */ | In file included from arch/x86/include/asm/memtype.h:6, from arch/x86/include/asm/mtrr.h:27, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:41: >> arch/x86/include/asm/pgtable_types.h:43: warning: "_PAGE_PRESENT" redefined 43 | #define _PAGE_PRESENT (_AT(pteval_t, 1) << _PAGE_BIT_PRESENT) | In file included from include/linux/pgtable.h:6, from include/linux/mm.h:33, from include/linux/scatterlist.h:8, from include/linux/dmapool.h:14, from include/linux/pci.h:1463, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:40: 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/memtype.h:6, from arch/x86/include/asm/mtrr.h:27, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:41: >> arch/x86/include/asm/pgtable_types.h:44: warning: "_PAGE_RW" redefined 44 | #define _PAGE_RW (_AT(pteval_t, 1) << _PAGE_BIT_RW) | In file included from include/linux/pgtable.h:6, from include/linux/mm.h:33, from include/linux/scatterlist.h:8, from include/linux/dmapool.h:14, from include/linux/pci.h:1463, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:40: 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/memtype.h:6, from arch/x86/include/asm/mtrr.h:27, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:41: >> arch/x86/include/asm/pgtable_types.h:45: warning: "_PAGE_USER" redefined 45 | #define _PAGE_USER (_AT(pteval_t, 1) << _PAGE_BIT_USER) | In file included from include/linux/pgtable.h:6, from include/linux/mm.h:33, from include/linux/scatterlist.h:8, from include/linux/dmapool.h:14, from include/linux/pci.h:1463, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:40: 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/memtype.h:6, from arch/x86/include/asm/mtrr.h:27, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:41: >> arch/x86/include/asm/pgtable_types.h:48: warning: "_PAGE_ACCESSED" redefined 48 | #define _PAGE_ACCESSED (_AT(pteval_t, 1) << _PAGE_BIT_ACCESSED) | In file included from include/linux/pgtable.h:6, from include/linux/mm.h:33, from include/linux/scatterlist.h:8, from include/linux/dmapool.h:14, from include/linux/pci.h:1463, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:40: 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/memtype.h:6, from arch/x86/include/asm/mtrr.h:27, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:41: >> arch/x86/include/asm/pgtable_types.h:49: warning: "_PAGE_DIRTY" redefined 49 | #define _PAGE_DIRTY (_AT(pteval_t, 1) << _PAGE_BIT_DIRTY) | In file included from include/linux/pgtable.h:6, from include/linux/mm.h:33, from include/linux/scatterlist.h:8, from include/linux/dmapool.h:14, from include/linux/pci.h:1463, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:40: arch/um/include/asm/pgtable.h:19: note: this is the location of the previous definition 19 | #define _PAGE_DIRTY 0x100 | In file included from arch/x86/include/asm/memtype.h:6, from arch/x86/include/asm/mtrr.h:27, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:41: >> arch/x86/include/asm/pgtable_types.h:120: warning: "_PAGE_PROTNONE" redefined 120 | #define _PAGE_PROTNONE (_AT(pteval_t, 1) << _PAGE_BIT_PROTNONE) | In file included from include/linux/pgtable.h:6, from include/linux/mm.h:33, from include/linux/scatterlist.h:8, from include/linux/dmapool.h:14, from include/linux/pci.h:1463, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:40: arch/um/include/asm/pgtable.h:21: note: this is the location of the previous definition 21 | #define _PAGE_PROTNONE 0x010 /* if the user mapped it with PROT_NONE; | In file included from arch/x86/include/asm/memtype.h:6, from arch/x86/include/asm/mtrr.h:27, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:41: >> arch/x86/include/asm/pgtable_types.h:128: warning: "_PAGE_CHG_MASK" redefined 128 | #define _PAGE_CHG_MASK (PTE_PFN_MASK | _PAGE_PCD | _PAGE_PWT | \ | In file included from include/linux/pgtable.h:6, from include/linux/mm.h:33, from include/linux/scatterlist.h:8, from include/linux/dmapool.h:14, from include/linux/pci.h:1463, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:40: arch/um/include/asm/pgtable.h:55: note: this is the location of the previous definition 55 | #define _PAGE_CHG_MASK (PAGE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY) | In file included from arch/x86/include/asm/memtype.h:6, from arch/x86/include/asm/mtrr.h:27, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:41: >> arch/x86/include/asm/pgtable_types.h:180: warning: "PAGE_NONE" redefined 180 | #define PAGE_NONE __pg( 0| 0| 0|___A| 0| 0| 0|___G) | In file included from include/linux/pgtable.h:6, from include/linux/mm.h:33, from include/linux/scatterlist.h:8, from include/linux/dmapool.h:14, from include/linux/pci.h:1463, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:40: arch/um/include/asm/pgtable.h:58: note: this is the location of the previous definition 58 | #define PAGE_NONE __pgprot(_PAGE_PROTNONE | _PAGE_ACCESSED) | In file included from arch/x86/include/asm/memtype.h:6, from arch/x86/include/asm/mtrr.h:27, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:41: >> arch/x86/include/asm/pgtable_types.h:181: warning: "PAGE_SHARED" redefined 181 | #define PAGE_SHARED __pg(__PP|__RW|_USR|___A|__NX| 0| 0| 0) | In file included from include/linux/pgtable.h:6, from include/linux/mm.h:33, from include/linux/scatterlist.h:8, from include/linux/dmapool.h:14, from include/linux/pci.h:1463, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:40: arch/um/include/asm/pgtable.h:59: note: this is the location of the previous definition 59 | #define PAGE_SHARED __pgprot(_PAGE_PRESENT | _PAGE_RW | _PAGE_USER | _PAGE_ACCESSED) | In file included from arch/x86/include/asm/memtype.h:6, from arch/x86/include/asm/mtrr.h:27, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:41: >> arch/x86/include/asm/pgtable_types.h:185: warning: "PAGE_COPY" redefined 185 | #define PAGE_COPY __pg(__PP| 0|_USR|___A|__NX| 0| 0| 0) | In file included from include/linux/pgtable.h:6, from include/linux/mm.h:33, from include/linux/scatterlist.h:8, from include/linux/dmapool.h:14, from include/linux/pci.h:1463, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:40: arch/um/include/asm/pgtable.h:60: note: this is the location of the previous definition 60 | #define PAGE_COPY __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_ACCESSED) | In file included from arch/x86/include/asm/memtype.h:6, from arch/x86/include/asm/mtrr.h:27, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:41: arch/x86/include/asm/pgtable_types.h:186: warning: "PAGE_READONLY" redefined 186 | #define PAGE_READONLY __pg(__PP| 0|_USR|___A|__NX| 0| 0| 0) | In file included from include/linux/pgtable.h:6, from include/linux/mm.h:33, from include/linux/scatterlist.h:8, from include/linux/dmapool.h:14, from include/linux/pci.h:1463, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:40: arch/um/include/asm/pgtable.h:61: note: this is the location of the previous definition 61 | #define PAGE_READONLY __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_ACCESSED) | In file included from arch/x86/include/asm/memtype.h:6, from arch/x86/include/asm/mtrr.h:27, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:41: arch/x86/include/asm/pgtable_types.h:190: warning: "__PAGE_KERNEL_EXEC" redefined 190 | #define __PAGE_KERNEL_EXEC (__PP|__RW| 0|___A| 0|___D| 0|___G) | In file included from include/linux/pgtable.h:6, from include/linux/mm.h:33, from include/linux/scatterlist.h:8, from include/linux/dmapool.h:14, from include/linux/pci.h:1463, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:40: arch/um/include/asm/pgtable.h:56: note: this is the location of the previous definition 56 | #define __PAGE_KERNEL_EXEC \ | In file included from arch/x86/include/asm/memtype.h:6, from arch/x86/include/asm/mtrr.h:27, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:41: arch/x86/include/asm/pgtable_types.h:192: warning: "_KERNPG_TABLE" redefined 192 | #define _KERNPG_TABLE (__PP|__RW| 0|___A| 0|___D| 0| 0| _ENC) | In file included from include/linux/pgtable.h:6, from include/linux/mm.h:33, from include/linux/scatterlist.h:8, from include/linux/dmapool.h:14, from include/linux/pci.h:1463, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:40: arch/um/include/asm/pgtable.h:54: note: this is the location of the previous definition 54 | #define _KERNPG_TABLE (_PAGE_PRESENT | _PAGE_RW | _PAGE_ACCESSED | _PAGE_DIRTY) | In file included from arch/x86/include/asm/memtype.h:6, from arch/x86/include/asm/mtrr.h:27, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:41: arch/x86/include/asm/pgtable_types.h:194: warning: "_PAGE_TABLE" redefined 194 | #define _PAGE_TABLE (__PP|__RW|_USR|___A| 0|___D| 0| 0| _ENC) | In file included from include/linux/pgtable.h:6, from include/linux/mm.h:33, from include/linux/scatterlist.h:8, from include/linux/dmapool.h:14, from include/linux/pci.h:1463, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:40: arch/um/include/asm/pgtable.h:53: note: this is the location of the previous definition 53 | #define _PAGE_TABLE (_PAGE_PRESENT | _PAGE_RW | _PAGE_USER | _PAGE_ACCESSED | _PAGE_DIRTY) | In file included from arch/x86/include/asm/memtype.h:6, from arch/x86/include/asm/mtrr.h:27, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:41: arch/x86/include/asm/pgtable_types.h:217: warning: "PAGE_KERNEL" redefined 217 | #define PAGE_KERNEL __pgprot_mask(__PAGE_KERNEL | _ENC) | In file included from include/linux/pgtable.h:6, from include/linux/mm.h:33, from include/linux/scatterlist.h:8, from include/linux/dmapool.h:14, from include/linux/pci.h:1463, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:40: arch/um/include/asm/pgtable.h:62: note: this is the location of the previous definition 62 | #define PAGE_KERNEL __pgprot(_PAGE_PRESENT | _PAGE_RW | _PAGE_DIRTY | _PAGE_ACCESSED) | In file included from arch/x86/include/asm/memtype.h:6, from arch/x86/include/asm/mtrr.h:27, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:41: arch/x86/include/asm/pgtable_types.h:219: warning: "PAGE_KERNEL_RO" redefined 219 | #define PAGE_KERNEL_RO __pgprot_mask(__PAGE_KERNEL_RO | _ENC) | In file included from include/linux/mm.h:33, from include/linux/scatterlist.h:8, from include/linux/dmapool.h:14, from include/linux/pci.h:1463, from drivers/infiniband/hw/qib/qib_wc_x86_64.c:40: include/linux/pgtable.h:1480: note: this is the location of the previous definition 1480 | # define PAGE_KERNEL_RO PAGE_KERNEL | .. vim +97 arch/um/include/asm/processor-generic.h ^1da177e4c3f41 include/asm-um/processor-generic.h Linus Torvalds 2005-04-16 96 ^1da177e4c3f41 include/asm-um/processor-generic.h Linus Torvalds 2005-04-16 @97 #define cpu_data (&boot_cpu_data) ^1da177e4c3f41 include/asm-um/processor-generic.h Linus Torvalds 2005-04-16 98 #define current_cpu_data boot_cpu_data ^1da177e4c3f41 include/asm-um/processor-generic.h Linus Torvalds 2005-04-16 99 :::::: The code at line 97 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds :::::: CC: Linus Torvalds -- 0-DAY CI Kernel Test Service https://01.org/lkp