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Oleg Nesterov authored
No functional changes, cleanup compat_sys_rt_sigtimedwait() and sys_rt_sigtimedwait(). Calculate the timeout before we take ->siglock, this simplifies and lessens the code. Use timespec_valid() to check the timespec. Signed-off-by: Oleg Nesterov <oleg@redhat.com> Acked-by: Tejun Heo <tj@kernel.org> Reviewed-by: Matt Fleming <matt.fleming@linux.intel.com>
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