提交 70ab81c2 编写于 作者: L Linus Torvalds

posix cpu timers: fix timer ordering

Pointed out by Oleg Nesterov, who has been walking over the code
forwards and backwards.
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
上级 b0917bd9
......@@ -576,17 +576,15 @@ static void arm_timer(struct k_itimer *timer, union cpu_time_count now)
listpos = head;
if (CPUCLOCK_WHICH(timer->it_clock) == CPUCLOCK_SCHED) {
list_for_each_entry(next, head, entry) {
if (next->expires.sched > nt->expires.sched) {
listpos = &next->entry;
if (next->expires.sched > nt->expires.sched)
break;
}
listpos = &next->entry;
}
} else {
list_for_each_entry(next, head, entry) {
if (cputime_gt(next->expires.cpu, nt->expires.cpu)) {
listpos = &next->entry;
if (cputime_gt(next->expires.cpu, nt->expires.cpu))
break;
}
listpos = &next->entry;
}
}
list_add(&nt->entry, listpos);
......
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