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hrtimer_nanosleep(): Pass rmtp in restart_block

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Store the pointer to the timespec which gets updated with the remaining
time in the restart block and remove the function argument.

[ tglx: Added changelog ]

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20170607084241.28657-3-viro@ZenIV.linux.org.uk
This commit is contained in:
Al Viro 2017-06-07 09:42:28 +01:00 • committed by Thomas Gleixner
parent 15f27ce24c
commit 192a82f900
5 changed files with 17 additions and 11 deletions
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5
kernel/time/posix-timers.c
View file

@ -1043,7 +1043,10 @@ SYSCALL_DEFINE2(clock_getres, const clockid_t, which_clock,
static int common_nsleep(const clockid_t which_clock, int flags,
struct timespec64 *tsave, struct timespec __user *rmtp)
{
return hrtimer_nanosleep(tsave, rmtp, flags & TIMER_ABSTIME ?
if (flags & TIMER_ABSTIME)
rmtp = NULL;
current->restart_block.nanosleep.rmtp = rmtp;
return hrtimer_nanosleep(tsave, flags & TIMER_ABSTIME ?
HRTIMER_MODE_ABS : HRTIMER_MODE_REL,
which_clock);
}