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hv: add priority based scheduler

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This patch adds a new priority based scheduler to support
vCPU scheduling based on their pre-configured priorities.
A vCPU can be running only if there is no higher priority
vCPU running on the same pCPU.

Tracked-On: #6571
Signed-off-by: Jie Deng <jie.deng@intel.com>
This commit is contained in:
Jie Deng
2021-09-09 16:21:30 +08:00
committed by wenlingz
parent dfe49ee972
commit 064fd7647f
12 changed files with 149 additions and 2 deletions
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hypervisor/arch/x86/guest/vcpu.c
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@@ -963,6 +963,7 @@ int32_t prepare_vcpu(struct acrn_vm *vm, uint16_t pcpu_id)
vcpu->thread_obj.host_sp = build_stack_frame(vcpu);
vcpu->thread_obj.switch_out = context_switch_out;
vcpu->thread_obj.switch_in = context_switch_in;
vcpu->thread_obj.priority = get_vm_config(vm->vm_id)->vm_prio;
init_thread_data(&vcpu->thread_obj);
for (i = 0; i < VCPU_EVENT_NUM; i++) {
init_event(&vcpu->events[i]);