Hi Steve, Thank you for the patch! Yet something to improve: [auto build test ERROR on arm64/for-next/core] [also build test ERROR on v4.19-rc8] [cannot apply to next-20181017] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Steve-Capper/52-bit-userspace-VAs/20181018-061652 base: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core config: arm64-defconfig (attached as .config) compiler: aarch64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=7.2.0 make.cross ARCH=arm64 All error/warnings (new ones prefixed by >>): In file included from include/linux/cache.h:5:0, from include/linux/printk.h:9, from include/linux/kernel.h:14, from include/asm-generic/bug.h:18, from arch/arm64/include/asm/bug.h:37, from include/linux/bug.h:5, from include/linux/thread_info.h:12, from fs//hugetlbfs/inode.c:12: fs//hugetlbfs/inode.c: In function 'hugetlb_get_unmapped_area': >> arch/arm64/include/asm/processor.h:63:50: error: 'tsk' undeclared (first use in this function) #define DEFAULT_MAP_WINDOW (test_tsk_thread_flag(tsk, TIF_32BIT) ? \ ^ include/uapi/linux/kernel.h:11:41: note: in definition of macro '__ALIGN_KERNEL_MASK' #define __ALIGN_KERNEL_MASK(x, mask) (((x) + (mask)) & ~(mask)) ^ >> include/linux/kernel.h:58:22: note: in expansion of macro '__ALIGN_KERNEL' #define ALIGN(x, a) __ALIGN_KERNEL((x), (a)) ^~~~~~~~~~~~~~ >> include/linux/mm.h:144:26: note: in expansion of macro 'ALIGN' #define PAGE_ALIGN(addr) ALIGN(addr, PAGE_SIZE) ^~~~~ >> arch/arm64/include/asm/processor.h:70:29: note: in expansion of macro 'PAGE_ALIGN' #define TASK_UNMAPPED_BASE (PAGE_ALIGN(DEFAULT_MAP_WINDOW / 4)) ^~~~~~~~~~ >> arch/arm64/include/asm/processor.h:70:40: note: in expansion of macro 'DEFAULT_MAP_WINDOW' #define TASK_UNMAPPED_BASE (PAGE_ALIGN(DEFAULT_MAP_WINDOW / 4)) ^~~~~~~~~~~~~~~~~~ >> fs//hugetlbfs/inode.c:214:19: note: in expansion of macro 'TASK_UNMAPPED_BASE' info.low_limit = TASK_UNMAPPED_BASE; ^~~~~~~~~~~~~~~~~~ arch/arm64/include/asm/processor.h:63:50: note: each undeclared identifier is reported only once for each function it appears in #define DEFAULT_MAP_WINDOW (test_tsk_thread_flag(tsk, TIF_32BIT) ? \ ^ include/uapi/linux/kernel.h:11:41: note: in definition of macro '__ALIGN_KERNEL_MASK' #define __ALIGN_KERNEL_MASK(x, mask) (((x) + (mask)) & ~(mask)) ^ >> include/linux/kernel.h:58:22: note: in expansion of macro '__ALIGN_KERNEL' #define ALIGN(x, a) __ALIGN_KERNEL((x), (a)) ^~~~~~~~~~~~~~ >> include/linux/mm.h:144:26: note: in expansion of macro 'ALIGN' #define PAGE_ALIGN(addr) ALIGN(addr, PAGE_SIZE) ^~~~~ >> arch/arm64/include/asm/processor.h:70:29: note: in expansion of macro 'PAGE_ALIGN' #define TASK_UNMAPPED_BASE (PAGE_ALIGN(DEFAULT_MAP_WINDOW / 4)) ^~~~~~~~~~ >> arch/arm64/include/asm/processor.h:70:40: note: in expansion of macro 'DEFAULT_MAP_WINDOW' #define TASK_UNMAPPED_BASE (PAGE_ALIGN(DEFAULT_MAP_WINDOW / 4)) ^~~~~~~~~~~~~~~~~~ >> fs//hugetlbfs/inode.c:214:19: note: in expansion of macro 'TASK_UNMAPPED_BASE' info.low_limit = TASK_UNMAPPED_BASE; ^~~~~~~~~~~~~~~~~~ -- In file included from include/linux/cache.h:5:0, from include/linux/printk.h:9, from include/linux/kernel.h:14, from include/asm-generic/bug.h:18, from arch/arm64/include/asm/bug.h:37, from include/linux/bug.h:5, from include/linux/thread_info.h:12, from fs/hugetlbfs/inode.c:12: fs/hugetlbfs/inode.c: In function 'hugetlb_get_unmapped_area': >> arch/arm64/include/asm/processor.h:63:50: error: 'tsk' undeclared (first use in this function) #define DEFAULT_MAP_WINDOW (test_tsk_thread_flag(tsk, TIF_32BIT) ? \ ^ include/uapi/linux/kernel.h:11:41: note: in definition of macro '__ALIGN_KERNEL_MASK' #define __ALIGN_KERNEL_MASK(x, mask) (((x) + (mask)) & ~(mask)) ^ >> include/linux/kernel.h:58:22: note: in expansion of macro '__ALIGN_KERNEL' #define ALIGN(x, a) __ALIGN_KERNEL((x), (a)) ^~~~~~~~~~~~~~ >> include/linux/mm.h:144:26: note: in expansion of macro 'ALIGN' #define PAGE_ALIGN(addr) ALIGN(addr, PAGE_SIZE) ^~~~~ >> arch/arm64/include/asm/processor.h:70:29: note: in expansion of macro 'PAGE_ALIGN' #define TASK_UNMAPPED_BASE (PAGE_ALIGN(DEFAULT_MAP_WINDOW / 4)) ^~~~~~~~~~ >> arch/arm64/include/asm/processor.h:70:40: note: in expansion of macro 'DEFAULT_MAP_WINDOW' #define TASK_UNMAPPED_BASE (PAGE_ALIGN(DEFAULT_MAP_WINDOW / 4)) ^~~~~~~~~~~~~~~~~~ fs/hugetlbfs/inode.c:214:19: note: in expansion of macro 'TASK_UNMAPPED_BASE' info.low_limit = TASK_UNMAPPED_BASE; ^~~~~~~~~~~~~~~~~~ arch/arm64/include/asm/processor.h:63:50: note: each undeclared identifier is reported only once for each function it appears in #define DEFAULT_MAP_WINDOW (test_tsk_thread_flag(tsk, TIF_32BIT) ? \ ^ include/uapi/linux/kernel.h:11:41: note: in definition of macro '__ALIGN_KERNEL_MASK' #define __ALIGN_KERNEL_MASK(x, mask) (((x) + (mask)) & ~(mask)) ^ >> include/linux/kernel.h:58:22: note: in expansion of macro '__ALIGN_KERNEL' #define ALIGN(x, a) __ALIGN_KERNEL((x), (a)) ^~~~~~~~~~~~~~ >> include/linux/mm.h:144:26: note: in expansion of macro 'ALIGN' #define PAGE_ALIGN(addr) ALIGN(addr, PAGE_SIZE) ^~~~~ >> arch/arm64/include/asm/processor.h:70:29: note: in expansion of macro 'PAGE_ALIGN' #define TASK_UNMAPPED_BASE (PAGE_ALIGN(DEFAULT_MAP_WINDOW / 4)) ^~~~~~~~~~ >> arch/arm64/include/asm/processor.h:70:40: note: in expansion of macro 'DEFAULT_MAP_WINDOW' #define TASK_UNMAPPED_BASE (PAGE_ALIGN(DEFAULT_MAP_WINDOW / 4)) ^~~~~~~~~~~~~~~~~~ fs/hugetlbfs/inode.c:214:19: note: in expansion of macro 'TASK_UNMAPPED_BASE' info.low_limit = TASK_UNMAPPED_BASE; ^~~~~~~~~~~~~~~~~~ vim +/tsk +63 arch/arm64/include/asm/processor.h 52 53 /* 54 * TASK_SIZE - the maximum size of a user space task. 55 * TASK_UNMAPPED_BASE - the lower boundary of the mmap VM area. 56 */ 57 #ifdef CONFIG_COMPAT 58 #define TASK_SIZE_32 UL(0x100000000) 59 #define TASK_SIZE (test_thread_flag(TIF_32BIT) ? \ 60 TASK_SIZE_32 : TASK_SIZE_64) 61 #define TASK_SIZE_OF(tsk) (test_tsk_thread_flag(tsk, TIF_32BIT) ? \ 62 TASK_SIZE_32 : TASK_SIZE_64) > 63 #define DEFAULT_MAP_WINDOW (test_tsk_thread_flag(tsk, TIF_32BIT) ? \ 64 TASK_SIZE_32 : DEFAULT_MAP_WINDOW_64) 65 #else 66 #define TASK_SIZE TASK_SIZE_64 67 #define DEFAULT_MAP_WINDOW DEFAULT_MAP_WINDOW_64 68 #endif /* CONFIG_COMPAT */ 69 > 70 #define TASK_UNMAPPED_BASE (PAGE_ALIGN(DEFAULT_MAP_WINDOW / 4)) 71 #define STACK_TOP_MAX DEFAULT_MAP_WINDOW_64 72 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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