Verified on Cavium ThunderX platform Continousily migrated Guest more than 500 times b/w different hosts. Please feel free to add Tested-by: Prakash, Brahmajyosyula <brahmajyosyula.prak...@cavium.com>
On Fri, Apr 14, 2017 at 6:16 PM, Eric Auger <eric.au...@redhat.com> wrote: > This series allows ITS save/restore and migration use cases. > It relies on not upstreamed kernel series [1]. > > 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(). > > Redistributor pending tables also are flushed on VM stop, independently > on ITS tables. > > That work was tested on Cavium ThunderX using virsh save/restore and > virt-manager live migration. > > Best Regards > > Eric > > Host Kernel dependencies: > - [1] [PATCH v5 00/22] vITS save/restore > > History: > v4 -> v5: > - adapt to the new user API > - new patch "hw/intc/arm_gicv3_kvm: Implement pending table save" > as the pending table save now is handled on GICV3 side. > > v3 -> v4: > - oversight in v3, missed a last minute correction related to > reg useless declaration in kvm_arm_its_pre_save > > v2 -> v3: > - GITS_IIDR is now saved and restored to check ABI revision. > - get/put functions renamed into pre_save/post_load > - unmigratable = false removed > - changed the migration blocker message > - remove the extract64 round s->ctlr > - reword some comments > > v1 -> v2: > - rebase on 2.9 soft release code > - handle case where migrate_add_blocker fails > - add comments along with ITS and GICv3 migration priorities > > > Eric Auger (4): > linux-headers: Update for vITS save/restore > hw/intc/arm_gicv3_its: Implement state save/restore > hw/intc/arm_gicv3_kvm: Implement pending table save > 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 | 120 > +++++++++++++++++++++++++++++---- > hw/intc/arm_gicv3_kvm.c | 25 +++++++ > include/hw/intc/arm_gicv3_its_common.h | 8 +++ > include/migration/vmstate.h | 2 + > linux-headers/asm-arm/kvm.h | 6 +- > linux-headers/asm-arm64/kvm.h | 6 +- > 8 files changed, 164 insertions(+), 15 deletions(-) > > -- > 2.5.5 > >
