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Re: [Qemu-devel] [PATCH v7 0/4] GICv3 live migration support


From: Vijay Kilari
Subject: Re: [Qemu-devel] [PATCH v7 0/4] GICv3 live migration support
Date: Tue, 31 Jan 2017 21:45:44 +0530

Please ignore this patch series. Missed out one patch of this series.
Will resend the full patch series


On Tue, Jan 31, 2017 at 9:35 PM,  <address@hidden> wrote:
> From: Vijaya Kumar K <address@hidden>
>
> This series introduces support for GICv3 live migration with
> new VGIC implementation in 4.7-rc3 kernel.
> In this series, patch 1 of the previous implementation
> are ported.
> https://lists.nongnu.org/archive/html/qemu-devel/2015-10/msg05284.html
>
> Patch 2, is based on below implementation.
> http://patchwork.ozlabs.org/patch/626746/
>
> Latest kernel patches
> https://www.spinics.net/lists/arm-kernel/msg558046.html
>
> This API definition is as per version of VGICv3 specification
> in linux kernel Documentation/virtual/kvm/devices/arm-vgic-v3.txt
>
> Tested Live migration of Idle VM running with 4 VCPUs and 8GB RAM.
>
> v6 => v7:
>  - Added patch to add icc_ctrl_el1 to vmstruct before live migration
>    patch
>  - Added patch to add gicv3state variable to CPUARMState struct to
>    store GICv3CPUState pointer.
>  - Added patch to register ARMCPRegInfo[] struct and reset on CPU reset.
>
> v5 => v6:
>  - Added separate patch for Reseting ICC* register
>  - Added seperate patch for save and restore of ICC_CTLR_EL1
>  - Dropped translate_fn mechanism and coded open functions
>    for edge_trigger and priority save and restore.
>  - Save and Restore APnR registers based on ICC_CTLR_EL1.PRIBITS
>
> v4 => v5:
>  - Initialized ICC registers before reset.
>
> v3 => v4:
>  - Reintroduced offset GICR_SGI_OFFSET
>  - Implement save and restore of ICC_SRE_EL1
>  - Updated kvm.h header file in sync with KVM v4 patches
>
> v2 => v3:
>  - Dropped offset GICR_SGI_OFFSET
>  - Implement save/restore of irq line level using
>    KVM_DEV_ARM_VGIC_GRP_LEVEL_INFO
>  - Fixed bug with save/restore of edge_trigger
>
> Vijaya Kumar K (4):
>   hw/intc/arm_gicv3_kvm: Add ICC_SRE_EL1 register to vmstate
>   hw/intc/arm_gicv3_kvm: Implement get/put functions
>   target-arm: Add GICv3CPUState in CPUARMState struct
>   hw/intc/arm_gicv3_kvm: Reset GICv3 cpu interface registers
>
>  hw/intc/arm_gicv3_common.c         |   1 +
>  hw/intc/arm_gicv3_kvm.c            | 640 
> ++++++++++++++++++++++++++++++++++++-
>  hw/intc/gicv3_internal.h           |   1 +
>  include/hw/intc/arm_gicv3_common.h |   1 +
>  target-arm/cpu.h                   |   2 +
>  5 files changed, 634 insertions(+), 11 deletions(-)
>
> --
> 1.9.1
>



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