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[Qemu-arm] [RFC 0/4] vITS save/restore
From: |
Eric Auger |
Subject: |
[Qemu-arm] [RFC 0/4] vITS save/restore |
Date: |
Thu, 26 Jan 2017 10:19:37 +0100 |
This series allows ITS save/restore and migration use cases.
It relies on not upstreamed kernel series ([1] & [2]) and
QEMU not upstreamed series [3].
ITS tables are flushed into guest RAM on VM stop while registers
are save on pre_save() callback. Tables and registers are restored
on ITS post_load().
The code is based on Vijaya's "GICv3 live migration support"
series [3], based on v2.8.0-rc4.
The series also uses one patch from Peter Xu that aims at allowing
the explicit ordering of save/restore handlers [4], now upstreamed.
That work was tested on Cavium ThunderX using virsh save/restore and
virt-manager live migration.
Best Regards
Eric
Host Kernel dependencies:
- [1] [RFC 00/13] vITS save/restore
(https://www.spinics.net/lists/arm-kernel/msg553854.html)
- [2] [PATCH v10 0/8] arm/arm64: vgic: Implement API for vGICv3 live
migration
http://www.spinics.net/lists/arm-kernel/msg546383.html
QEMU dependencies:
- [3] [PATCH v6 0/2] GICv3 live migration support
- [4] migration: allow to prioritize save state entries
This QEMU series can be found at:
https://github.com/eauger/qemu/tree/mig-gicv3-v6-its-rfc
Eric Auger (4):
linux-headers: Partial update for vITS save/restore
hw/intc/arm_gicv3_kvm: Rename KVM_DEV_ARM_VGIC_GRP_CPU_SYSREGS
hw/intc/arm_gicv3_its: Implement state save/restore
hw/intc/arm_gicv3_its: Allow save/restore
hw/intc/arm_gicv3_common.c | 1 +
hw/intc/arm_gicv3_its_common.c | 11 +++-
hw/intc/arm_gicv3_its_kvm.c | 94 +++++++++++++++++++++++++++++++++-
hw/intc/arm_gicv3_kvm.c | 2 +-
include/hw/intc/arm_gicv3_its_common.h | 6 +++
include/migration/vmstate.h | 2 +
linux-headers/asm-arm/kvm.h | 25 ++++++---
linux-headers/asm-arm64/kvm.h | 14 +++--
8 files changed, 140 insertions(+), 15 deletions(-)
--
2.5.5