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schedule(): sync CPU_FLAG_NEED_RESCHED flag with clone and migrate

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This commit is contained in:
Balazs Gerofi
2015-09-16 19:22:40 +09:00
parent e7b1115572
commit 40b8587a8a
3 changed files with 40 additions and 12 deletions
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30
kernel/syscall.c
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@@ -4849,16 +4849,32 @@ SYSCALL_DECLARE(sched_setaffinity)
return -EINVAL;
}
if (tid == 0)
if (tid == 0) {
tid = cpu_local_var(current)->ftn->tid;
for (cpu_id = 0; cpu_id < num_processors; cpu_id++) {
thread = cpu_local_var(current);
cpu_id = ihk_mc_get_processor_id();
irqstate = ihk_mc_spinlock_lock(&get_cpu_local_var(cpu_id)->runq_lock);
list_for_each_entry(thread, &get_cpu_local_var(cpu_id)->runq, sched_list)
if (thread->ftn->pid && thread->ftn->tid == tid)
goto found; /* without unlocking runq_lock */
ihk_mc_spinlock_unlock(&get_cpu_local_var(cpu_id)->runq_lock, irqstate);
goto found;
}
else {
for (cpu_id = 0; cpu_id < num_processors; cpu_id++) {
irqstate = ihk_mc_spinlock_lock(
&get_cpu_local_var(cpu_id)->runq_lock);
list_for_each_entry(thread,
&get_cpu_local_var(cpu_id)->runq, sched_list) {
if (thread->ftn->pid && thread->ftn->tid == tid) {
goto found; /* without unlocking runq_lock */
}
}
ihk_mc_spinlock_unlock(&get_cpu_local_var(cpu_id)->runq_lock,
irqstate);
}
}
kprintf("%s:%d Thread not found.\n", __FILE__, __LINE__);
return -ESRCH;