[git pull] signal.git fixes

[Al Viro]

Fixes for several regressions introduced in the last signal.git pile,
along with fixing bugs in truncate and ftruncate compat (on just about
anything biarch at least one of those two had been done wrong).

Please, pull from
git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal for-linus

Shortlog:
Al Viro (4):
      lseek() and truncate() on sparc really need sign extension
      switch lseek to COMPAT_SYSCALL_DEFINE
      fix compat truncate/ftruncate
      [regression] braino in "sparc: convert to ksignal"

Heiko Carstens (1):
      compat: restore timerfd settime and gettime compat syscalls

Diffstat:
 arch/arm64/include/asm/unistd32.h  |    6 +++---
 arch/arm64/kernel/sys32.S          |    5 -----
 arch/mips/kernel/scall64-o32.S     |    4 ++--
 arch/parisc/kernel/sys_parisc32.c  |   10 ----------
 arch/parisc/kernel/syscall_table.S |    6 +++---
 arch/powerpc/include/asm/systbl.h  |    2 +-
 arch/powerpc/kernel/sys_ppc32.c    |   18 ------------------
 arch/s390/kernel/compat_wrapper.S  |   16 ----------------
 arch/s390/kernel/syscalls.S        |    6 +++---
 arch/sparc/kernel/signal32.c       |    2 +-
 arch/sparc/kernel/systbls_64.S     |    6 +++---
 arch/x86/ia32/sys_ia32.c           |    5 -----
 arch/x86/include/asm/sys_ia32.h    |    1 -
 arch/x86/syscalls/syscall_32.tbl   |    6 +++---
 fs/open.c                          |   15 +++++++++++++++
 fs/read_write.c                    |    9 ++++++++-
 fs/timerfd.c                       |   10 +++++-----
 include/linux/compat.h             |    3 +++
 18 files changed, 50 insertions(+), 80 deletions(-)
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