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[git pull] vfs.git part 2

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  [git pull] vfs.git part 2 Al Viro <viro@ZenIV.linux.org.uk> - 2017-07-05 09:20 +0200

#1681322 — [git pull] vfs.git part 2

	Consolidating sys_wait* and compat counterparts.  Gets rid of
set_fs()/double-copy mess, simplifies the whole thing (lifting the
copyouts to the syscalls means less headache in the part that does
actual work - fewer failure exits, to start with), gets rid of the
overhead of field-by-field __put_user().

The following changes since commit a8c39544a6eb2093c04afd5005b6192bd0e880c6:

  osf_wait4(): fix infoleak (2017-05-21 13:10:07 -0400)

are available in the git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git work.sys_wait

for you to fetch changes up to 92ebce5ac55dba258c608248dddf59eca3f7f514:

  osf_wait4: switch to kernel_wait4() (2017-05-21 13:16:26 -0400)

----------------------------------------------------------------
Al Viro (9):
      move compat wait4 and waitid next to native variants
      wait4(2)/waitid(2): separate copying rusage to userland
      kernel_wait4()/kernel_waitid(): delay copying status to userland
      waitid(2): leave copyout of siginfo to syscall itself
      lift getrusage() from wait_noreap_copyout()
      kill wait_noreap_copyout()
      wait_task_zombie: consolidate info logics
      waitid(): switch copyout of siginfo to unsafe_put_user()
      osf_wait4: switch to kernel_wait4()

 arch/alpha/kernel/osf_sys.c |  53 ++------
 include/linux/resource.h    |   2 +-
 include/linux/sched/task.h  |   2 +
 kernel/compat.c             |  66 ----------
 kernel/exit.c               | 307 +++++++++++++++++++++++---------------------
 kernel/sys.c                |  16 +--
 6 files changed, 187 insertions(+), 259 deletions(-)

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