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hv: vioapic: fix interrupt lost and redundant interrupt

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1. reset polarity of ptirq_remapping_info to zero.
   this help to set correct initial pin state, and fix the interrupt lost issue
   when assign a ptirq to uos.

2. since vioapic_generate_intr relys on rte, we should build rte before
   generating an interrput, this fix the redundant interrupt.

Tracked-On: #3362
Signed-off-by: Cai Yulong <yulongc@hwtc.com.cn>
This commit is contained in:
Cai Yulong
2019-07-04 19:40:15 +08:00
committed by ACRN System Integration
parent e720dda5b0
commit 127c98f5db
2 changed files with 8 additions and 7 deletions
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1
hypervisor/arch/x86/guest/assign.c
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@@ -391,6 +391,7 @@ static struct ptirq_remapping_info *add_intx_remapping(struct acrn_vm *vm, uint3
if (is_sos_vm(entry->vm)) {
entry->vm = vm;
entry->virt_sid.value = virt_sid.value;
entry->polarity = 0U;
} else {
pr_err("INTX pin%d already in vm%d with vpin%d, not able to add into vm%d with vpin%d",
phys_pin, entry->vm->vm_id, entry->virt_sid.intx_id.pin, vm->vm_id, virt_pin);