[GIT PULL] y2038: additional syscall ABI cleanup

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The following changes since commit 48166e6ea47d23984f0b481ca199250e1ce0730a:

  y2038: add 64-bit time_t syscalls to all 32-bit architectures
(2019-02-07 00:13:28 +0100)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git
tags/y2038-syscall-abi

for you to fetch changes up to d4c08b9776b392e20efc6198ebe1bc8ec1911d9b:

  riscv: Use latest system call ABI (2019-02-25 20:53:52 +0100)

----------------------------------------------------------------
y2038: additional syscall ABI cleanup

This is a follow-up to the y2038 syscall patches already merged in the tip
tree.  As the final 32-bit RISC-V syscall ABI is still being decided on,
this is the last chance to make a few corrections to leave out interfaces
based on 32-bit time_t along with the old off_t and rlimit types.

The series achieves this in a few steps:

- A couple of bug fixes for minor regressions I introduced
  in the original series

- A couple of older patches from Yury Norov that I had never
  merged in the past, these fix up the openat/open_by_handle_at and
  getrlimit/setrlimit syscalls to disallow the old versions of off_t
  and rlimit.

- Hiding the deprecated system calls behind an #ifdef in
  include/uapi/asm-generic/unistd.h

- Change arch/riscv to drop all these ABIs.

Originally, the plan was to also leave these out on C-Sky, but that now
has a glibc port that uses the older interfaces, so we need to leave
them in place.

----------------------------------------------------------------

Arnd Bergmann (4):
      asm-generic: Make time32 syscall numbers optional
      unicore32: Fix __ARCH_WANT_STAT64 definition
      checksyscalls: fix up mq_timedreceive and stat exceptions
      riscv: Use latest system call ABI

Yury Norov (3):
      compat ABI: use non-compat openat and open_by_handle_at variants
      32-bit userspace ABI: introduce ARCH_32BIT_OFF_T config option
      asm-generic: Drop getrlimit and setrlimit syscalls from default list

 arch/Kconfig                             | 10 ++++++++++
 arch/arc/Kconfig                         |  1 +
 arch/arc/include/uapi/asm/unistd.h       |  2 ++
 arch/arm/Kconfig                         |  1 +
 arch/arm64/include/uapi/asm/unistd.h     |  2 ++
 arch/c6x/Kconfig                         |  1 +
 arch/c6x/include/uapi/asm/unistd.h       |  2 ++
 arch/csky/Kconfig                        |  1 +
 arch/csky/include/uapi/asm/unistd.h      |  2 ++
 arch/h8300/Kconfig                       |  1 +
 arch/h8300/include/uapi/asm/unistd.h     |  2 ++
 arch/hexagon/Kconfig                     |  1 +
 arch/hexagon/include/uapi/asm/unistd.h   |  2 ++
 arch/m68k/Kconfig                        |  1 +
 arch/microblaze/Kconfig                  |  1 +
 arch/mips/Kconfig                        |  1 +
 arch/nds32/Kconfig                       |  1 +
 arch/nds32/include/uapi/asm/unistd.h     |  2 ++
 arch/nios2/Kconfig                       |  1 +
 arch/nios2/include/uapi/asm/unistd.h     |  2 ++
 arch/openrisc/Kconfig                    |  1 +
 arch/openrisc/include/uapi/asm/unistd.h  |  2 ++
 arch/parisc/Kconfig                      |  1 +
 arch/powerpc/Kconfig                     |  1 +
 arch/riscv/include/uapi/asm/unistd.h     |  1 +
 arch/riscv/kernel/vdso/Makefile          |  2 ++
 arch/sh/Kconfig                          |  1 +
 arch/sparc/Kconfig                       |  1 +
 arch/unicore32/Kconfig                   |  1 +
 arch/unicore32/include/uapi/asm/unistd.h |  4 +++-
 arch/x86/Kconfig                         |  1 +
 arch/x86/um/Kconfig                      |  1 +
 arch/xtensa/Kconfig                      |  1 +
 include/linux/fcntl.h                    |  2 +-
 include/uapi/asm-generic/unistd.h        | 46
+++++++++++++++++++++++++++++++++++++++++++---
 scripts/checksyscalls.sh                 | 15 ++++++++++++---
 36 files changed, 110 insertions(+), 8 deletions(-)



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