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    Subjectclean up address limit helpers
    Date
    Hi all,

    in preparation for eventually phasing out direct use of set_fs(), this
    series removes the segment_eq() arch helper that is only used to
    implement or duplicate the uaccess_kernel() API, and then adds
    descriptive helpers to force the kernel address limit.

    Diffstat:
    arch/alpha/include/asm/uaccess.h | 2 +-
    arch/arc/include/asm/segment.h | 3 +--
    arch/arm/include/asm/uaccess.h | 4 ++--
    arch/arm64/include/asm/uaccess.h | 2 +-
    arch/arm64/kernel/sdei.c | 2 +-
    arch/csky/include/asm/segment.h | 2 +-
    arch/h8300/include/asm/segment.h | 2 +-
    arch/ia64/include/asm/uaccess.h | 2 +-
    arch/m68k/include/asm/segment.h | 2 +-
    arch/m68k/include/asm/tlbflush.h | 12 ++++++------
    arch/microblaze/include/asm/uaccess.h | 2 +-
    arch/mips/include/asm/uaccess.h | 2 +-
    arch/mips/kernel/unaligned.c | 27 +++++++++++++--------------
    arch/nds32/include/asm/uaccess.h | 2 +-
    arch/nds32/kernel/process.c | 2 +-
    arch/nds32/mm/alignment.c | 7 +++----
    arch/nios2/include/asm/uaccess.h | 2 +-
    arch/openrisc/include/asm/uaccess.h | 2 +-
    arch/parisc/include/asm/uaccess.h | 2 +-
    arch/powerpc/include/asm/uaccess.h | 3 +--
    arch/riscv/include/asm/uaccess.h | 6 +++---
    arch/s390/include/asm/uaccess.h | 2 +-
    arch/sh/include/asm/segment.h | 3 +--
    arch/sh/kernel/traps_32.c | 18 ++++++++----------
    arch/sparc/include/asm/uaccess_32.h | 2 +-
    arch/sparc/include/asm/uaccess_64.h | 2 +-
    arch/x86/include/asm/uaccess.h | 2 +-
    arch/xtensa/include/asm/uaccess.h | 2 +-
    drivers/firmware/arm_sdei.c | 5 ++---
    fs/exec.c | 7 ++++++-
    include/asm-generic/uaccess.h | 4 ++--
    include/linux/syscalls.h | 2 +-
    include/linux/uaccess.h | 20 ++++++++++++++++++--
    kernel/events/callchain.c | 5 ++---
    kernel/events/core.c | 5 ++---
    kernel/exit.c | 2 +-
    kernel/kthread.c | 5 ++---
    kernel/stacktrace.c | 5 ++---
    mm/maccess.c | 22 ++++++++++------------
    39 files changed, 105 insertions(+), 98 deletions(-)

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