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do_syscall(): allow schedule for another thread (Intel MPI+OpenMP issue)

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Balazs Gerofi
2016-07-05 18:54:51 +09:00
parent 5c190beb04
commit d135731398
2 changed files with 38 additions and 7 deletions
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kernel/process.c
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@@ -2503,7 +2503,6 @@ static void do_migrate(void)
cur_v->runq_len -= 1;
old_cpu_id = req->thread->cpu_id;
req->thread->cpu_id = cpu_id;
settid(req->thread, 2, cpu_id, old_cpu_id);
list_add_tail(&req->thread->sched_list, &v->runq);
v->runq_len += 1;
@@ -2518,6 +2517,7 @@ static void do_migrate(void)
v->flags |= CPU_FLAG_NEED_RESCHED;
ihk_mc_interrupt_cpu(get_x86_cpu_local_variable(cpu_id)->apic_id, 0xd1);
double_rq_unlock(cur_v, v, irqstate);
settid(req->thread, 2, cpu_id, old_cpu_id);
ack:
waitq_wakeup(&req->wq);