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[RFC PATCH 05/13] cpu: Add boolean mirror_vcpu field to CPUState
From: |
Ashish Kalra |
Subject: |
[RFC PATCH 05/13] cpu: Add boolean mirror_vcpu field to CPUState |
Date: |
Mon, 16 Aug 2021 13:28:10 +0000 |
From: Dov Murik <dovmurik@linux.vnet.ibm.com>
The mirror field indicates mirror VCPUs. This will allow QEMU to act
differently on mirror VCPUs.
Signed-off-by: Dov Murik <dovmurik@linux.vnet.ibm.com>
Co-developed-by: Ashish Kalra <ashish.kalra@amd.com>
Signed-off-by: Ashish Kalra <ashish.kalra@amd.com>
---
hw/core/cpu-common.c | 1 +
include/hw/core/cpu.h | 3 +++
2 files changed, 4 insertions(+)
diff --git a/hw/core/cpu-common.c b/hw/core/cpu-common.c
index e2f5a64604..99298f3a79 100644
--- a/hw/core/cpu-common.c
+++ b/hw/core/cpu-common.c
@@ -269,6 +269,7 @@ static Property cpu_common_props[] = {
MemoryRegion *),
#endif
DEFINE_PROP_BOOL("start-powered-off", CPUState, start_powered_off, false),
+ DEFINE_PROP_BOOL("mirror_vcpu", CPUState, mirror_vcpu, false),
DEFINE_PROP_END_OF_LIST(),
};
diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h
index bc864564ce..a8f5f7862d 100644
--- a/include/hw/core/cpu.h
+++ b/include/hw/core/cpu.h
@@ -402,6 +402,9 @@ struct CPUState {
/* shared by kvm, hax and hvf */
bool vcpu_dirty;
+ /* does this cpu belong to mirror VM */
+ bool mirror_vcpu;
+
/* Used to keep track of an outstanding cpu throttle thread for migration
* autoconverge
*/
--
2.17.1
- [RFC PATCH 00/13] Add support for Mirror VM., Ashish Kalra, 2021/08/16
- [RFC PATCH 01/13] machine: Add mirrorvcpus=N suboption to -smp, Ashish Kalra, 2021/08/16
- [RFC PATCH 02/13] hw/boards: Add mirror_vcpu flag to CPUArchId, Ashish Kalra, 2021/08/16
- [RFC PATCH 03/13] hw/i386: Mark mirror vcpus in possible_cpus, Ashish Kalra, 2021/08/16
- [RFC PATCH 04/13] hw/acpi: Don't include mirror vcpus in ACPI tables, Ashish Kalra, 2021/08/16
- [RFC PATCH 05/13] cpu: Add boolean mirror_vcpu field to CPUState,
Ashish Kalra <=
- [RFC PATCH 06/13] hw/i386: Set CPUState.mirror_vcpu=true for mirror vcpus, Ashish Kalra, 2021/08/16
- [RFC PATCH 07/13] kvm: Add Mirror VM ioctl and enable cap interfaces., Ashish Kalra, 2021/08/16
- [RFC PATCH 08/13] kvm: Add Mirror VM support., Ashish Kalra, 2021/08/16
- [RFC PATCH 09/13] kvm: create Mirror VM and share primary VM's encryption context., Ashish Kalra, 2021/08/16
- [RFC PATCH 10/13] softmmu/cpu: Skip mirror vcpu's for pause, resume and synchronization., Ashish Kalra, 2021/08/16
- [RFC PATCH 11/13] kvm/apic: Disable in-kernel APIC support for mirror vcpu's., Ashish Kalra, 2021/08/16
- [RFC PATCH 12/13] hw/acpi: disable modern CPU hotplug interface for mirror vcpu's, Ashish Kalra, 2021/08/16
- [RFC PATCH 13/13] hw/i386/pc: reduce fw_cfg boot cpu count taking into account mirror vcpu's., Ashish Kalra, 2021/08/16
- Re: [RFC PATCH 00/13] Add support for Mirror VM., Claudio Fontana, 2021/08/16
- Re: [RFC PATCH 00/13] Add support for Mirror VM., Paolo Bonzini, 2021/08/16