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scheduler: refine runqueue related functions

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add struct sched_object, and use it as input param instead of vcpu for
below functions:
- add_to_cpu_runqueue renamed from add_vcpu_to_runqueue
- remove_from_cpu_runqueue renamed from remove_vcpu_from_runqueue
- get_next_sched_obj added to get next sched object

Tracked-On: #1842
Signed-off-by: Jason Chen CJ <jason.cj.chen@intel.com>
Acked-by: Eddie Dong <edide.dong@intel.com>
This commit is contained in:
Jason Chen CJ
2018-12-20 12:15:25 +08:00
committed by wenlingz
parent 93e588bc7e
commit 6d67364881
5 changed files with 35 additions and 20 deletions
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10
hypervisor/arch/x86/guest/vcpu.c
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@@ -572,7 +572,7 @@ void pause_vcpu(struct acrn_vcpu *vcpu, enum vcpu_state new_state)
vcpu->state = new_state;
if (atomic_load32(&vcpu->running) == 1U) {
remove_vcpu_from_runqueue(vcpu);
remove_from_cpu_runqueue(&vcpu->sched_obj, vcpu->pcpu_id);
make_reschedule_request(vcpu);
release_schedule_lock(vcpu->pcpu_id);
@@ -581,7 +581,7 @@ void pause_vcpu(struct acrn_vcpu *vcpu, enum vcpu_state new_state)
__asm__ __volatile("pause" ::: "memory");
}
} else {
remove_vcpu_from_runqueue(vcpu);
remove_from_cpu_runqueue(&vcpu->sched_obj, vcpu->pcpu_id);
release_schedule_lock(vcpu->pcpu_id);
}
}
@@ -594,7 +594,7 @@ void resume_vcpu(struct acrn_vcpu *vcpu)
vcpu->state = vcpu->prev_state;
if (vcpu->state == VCPU_RUNNING) {
add_vcpu_to_runqueue(vcpu);
add_to_cpu_runqueue(&vcpu->sched_obj, vcpu->pcpu_id);
make_reschedule_request(vcpu);
}
release_schedule_lock(vcpu->pcpu_id);
@@ -606,7 +606,7 @@ void schedule_vcpu(struct acrn_vcpu *vcpu)
pr_dbg("vcpu%hu scheduled", vcpu->vcpu_id);
get_schedule_lock(vcpu->pcpu_id);
add_vcpu_to_runqueue(vcpu);
add_to_cpu_runqueue(&vcpu->sched_obj, vcpu->pcpu_id);
make_reschedule_request(vcpu);
release_schedule_lock(vcpu->pcpu_id);
}
@@ -624,7 +624,7 @@ int32_t prepare_vcpu(struct acrn_vm *vm, uint16_t pcpu_id)
set_pcpu_used(pcpu_id);
INIT_LIST_HEAD(&vcpu->run_list);
INIT_LIST_HEAD(&vcpu->sched_obj.run_list);
return ret;
}