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-rw-r--r--include/asm-generic/delay.h4
-rw-r--r--kernel/signal.c7
-rw-r--r--kernel/time/ntp.c2
3 files changed, 7 insertions, 6 deletions
diff --git a/include/asm-generic/delay.h b/include/asm-generic/delay.h
index 76cf237b6e4c..03b0ec7afca6 100644
--- a/include/asm-generic/delay.h
+++ b/include/asm-generic/delay.h
@@ -75,11 +75,11 @@ static __always_inline void ndelay(unsigned long nsec)
{
if (__builtin_constant_p(nsec)) {
if (nsec >= DELAY_CONST_MAX)
- __bad_udelay();
+ __bad_ndelay();
else
__const_udelay(nsec * NDELAY_CONST_MULT);
} else {
- __udelay(nsec);
+ __ndelay(nsec);
}
}
#define ndelay(x) ndelay(x)
diff --git a/kernel/signal.c b/kernel/signal.c
index 98b65cb35830..989b1cc9116a 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1959,14 +1959,15 @@ static void posixtimer_queue_sigqueue(struct sigqueue *q, struct task_struct *t,
*
* Where type is not PIDTYPE_PID, signals must be delivered to the
* process. In this case, prefer to deliver to current if it is in
- * the same thread group as the target process, which avoids
- * unnecessarily waking up a potentially idle task.
+ * the same thread group as the target process and its sighand is
+ * stable, which avoids unnecessarily waking up a potentially idle task.
*/
static inline struct task_struct *posixtimer_get_target(struct k_itimer *tmr)
{
struct task_struct *t = pid_task(tmr->it_pid, tmr->it_pid_type);
- if (t && tmr->it_pid_type != PIDTYPE_PID && same_thread_group(t, current))
+ if (t && tmr->it_pid_type != PIDTYPE_PID &&
+ same_thread_group(t, current) && !current->exit_state)
t = current;
return t;
}
diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c
index b550ebe0f03b..163e7a2033b6 100644
--- a/kernel/time/ntp.c
+++ b/kernel/time/ntp.c
@@ -798,7 +798,7 @@ int __do_adjtimex(struct __kernel_timex *txc, const struct timespec64 *ts,
txc->offset = shift_right(ntpdata->time_offset * NTP_INTERVAL_FREQ, NTP_SCALE_SHIFT);
if (!(ntpdata->time_status & STA_NANO))
- txc->offset = (u32)txc->offset / NSEC_PER_USEC;
+ txc->offset = div_s64(txc->offset, NSEC_PER_USEC);
}
result = ntpdata->time_state;