diff options
| author |   Al Viro <viro@ZenIV.linux.org.uk> | 2017-06-07 09:42:28 +0100 |
|---|---|---|
| committer |   Thomas Gleixner <tglx@linutronix.de> | 2017-06-14 00:00:40 +0200 |
| commit | 192a82f9003fe8fabd6088aa646e829225a94c55 (patch) | |
| tree | 86c755bd9c5ef78d53006bc75170030b092297a8 /kernel/time/hrtimer.c | |
| parent | alarmtimer: Move copyout and freeze handling into alarmtimer_do_nsleep() (diff) | |
| download | linux-dev-192a82f9003fe8fabd6088aa646e829225a94c55.tar.xz linux-dev-192a82f9003fe8fabd6088aa646e829225a94c55.zip | |
hrtimer_nanosleep(): Pass rmtp in restart_block
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
Diffstat (limited to 'kernel/time/hrtimer.c')
| -rw-r--r-- | kernel/time/hrtimer.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c index ac053bb5296e..4ae777f159de 100644 --- a/kernel/time/hrtimer.c +++ b/kernel/time/hrtimer.c @@ -1503,10 +1503,11 @@ out: return ret; } -long hrtimer_nanosleep(struct timespec64 *rqtp, struct timespec __user *rmtp, +long hrtimer_nanosleep(struct timespec64 *rqtp, const enum hrtimer_mode mode, const clockid_t clockid) { - struct restart_block *restart; + struct restart_block *restart = ¤t->restart_block; + struct timespec __user *rmtp; struct hrtimer_sleeper t; int ret = 0; u64 slack; @@ -1526,16 +1527,15 @@ long hrtimer_nanosleep(struct timespec64 *rqtp, struct timespec __user *rmtp, goto out; } + rmtp = restart->nanosleep.rmtp; if (rmtp) { ret = update_rmtp(&t.timer, rmtp); if (ret <= 0) goto out; } - restart = ¤t->restart_block; restart->fn = hrtimer_nanosleep_restart; restart->nanosleep.clockid = t.timer.base->clockid; - restart->nanosleep.rmtp = rmtp; restart->nanosleep.expires = hrtimer_get_expires_tv64(&t.timer); ret = -ERESTART_RESTARTBLOCK; @@ -1557,7 +1557,8 @@ SYSCALL_DEFINE2(nanosleep, struct timespec __user *, rqtp, if (!timespec64_valid(&tu64)) return -EINVAL; - return hrtimer_nanosleep(&tu64, rmtp, HRTIMER_MODE_REL, CLOCK_MONOTONIC); + current->restart_block.nanosleep.rmtp = rmtp; + return hrtimer_nanosleep(&tu64, HRTIMER_MODE_REL, CLOCK_MONOTONIC); } /* |