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hv: handle cpu offline request in idle thread

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Change need_scheduled fileds of schedule context to flags because
it's not only used for need_schedule check.

Add two functions to request/handle cpu offline.

The reason we only handle cpu offline request in idle thread is
that we should pause the vcpu running on target pcpu. Then it's
only possible that target pcpu get cpu offline request in idle
thread.

Signed-off-by: Yin Fegnwei <fengwei.yin@intel.com>
Acked-by: Eddie Dong <Eddie.dong@intel.com>
This commit is contained in:
Yin Fegnwei
2018-06-02 22:31:58 +08:00
committed by lijinxia
parent 08139c34f7
commit 7a71422a6d
3 changed files with 30 additions and 11 deletions
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2
hypervisor/common/hv_main.c
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@@ -44,7 +44,7 @@ void vcpu_thread(struct vcpu *vcpu)
continue;
}
if (need_rescheduled(vcpu->pcpu_id)) {
if (need_reschedule(vcpu->pcpu_id)) {
/*
* In extrem case, schedule() could return. Which
* means the vcpu resume happens before schedule()