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HV: correct usage of GUEST_FLAG_IO_COMPLETION_POLLING

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The guest flags of GUEST_FLAG_IO_COMPLETION_POLLING work for NORMAL_VM only;

Tracked-On: #2291

Signed-off-by: Victor Sun <victor.sun@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Victor Sun 2019-04-23 11:16:30 +08:00 committed by ACRN System Integration
parent 578592b566
commit 2362e58509
2 changed files with 2 additions and 3 deletions
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2
hypervisor/arch/x86/guest/vm.c
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@ -430,7 +430,7 @@ int32_t create_vm(uint16_t vm_id, struct acrn_vm_config *vm_config, struct acrn_
/* Populate return VM handle */
*rtn_vm = vm;
vm->sw.io_shared_page = NULL;
if ((vm_config->guest_flags & GUEST_FLAG_IO_COMPLETION_POLLING) != 0U) {
if ((vm_config->type == NORMAL_VM) && (vm_config->guest_flags & GUEST_FLAG_IO_COMPLETION_POLLING) != 0U) {
/* enable IO completion polling mode per its guest flags in vm_config. */
vm->sw.is_completion_polling = true;
}

3
hypervisor/scenarios/logical_partition/vm_configurations.c
View File

@ -22,7 +22,6 @@ struct acrn_vm_config vm_configs[CONFIG_MAX_VM_NUM] = {
/* 26c5e0d8-8f8a-47d8-8109-f201ebd61a5e */
.pcpu_bitmap = VM0_CONFIG_PCPU_BITMAP,
.cpu_num = VM0_CONFIG_NUM_CPUS,
.guest_flags = GUEST_FLAG_IO_COMPLETION_POLLING,
.clos = 0U,
.memory = {
.start_hpa = VM0_CONFIG_MEM_START_HPA,
@ -50,7 +49,7 @@ struct acrn_vm_config vm_configs[CONFIG_MAX_VM_NUM] = {
/* dd87ce08-66f9-473d-bc58-7605837f935e */
.pcpu_bitmap = VM1_CONFIG_PCPU_BITMAP,
.cpu_num = VM1_CONFIG_NUM_CPUS,
.guest_flags = (GUEST_FLAG_RT | GUEST_FLAG_LAPIC_PASSTHROUGH | GUEST_FLAG_IO_COMPLETION_POLLING),
.guest_flags = (GUEST_FLAG_RT | GUEST_FLAG_LAPIC_PASSTHROUGH),
.clos = 0U,
.memory = {
.start_hpa = VM1_CONFIG_MEM_START_HPA,