v1->v2: 1.split RCU prepared style update and monitor the RAM-Device refcnt into two patches (patch 2,4) 2.introduce AddrSpaceMem, which is similar to HostMem, but based on address space, while the original HostMem only server system memory address space
Liu Ping Fan (6): hostmem: make hostmem single, not per Vring related hostmem: AddressSpace has its own map and maintained by RCU prepared style memory: add ref/unref interface for MemroyRegionOps hostmem: hostmem listener pin RAM-Device by refcnt Vring: use hostmem's RAM safe api virtio-blk: release reference to RAM's memoryRegion exec.c | 1 + hw/block/dataplane/virtio-blk.c | 52 ++++++++--- hw/virtio/dataplane/hostmem.c | 168 +++++++++++++++++++++++++-------- hw/virtio/dataplane/vring.c | 100 +++++++++++++++----- include/exec/memory.h | 11 ++ include/hw/virtio/dataplane/hostmem.h | 25 +++--- include/hw/virtio/dataplane/vring.h | 5 +- memory.c | 18 ++++ 8 files changed, 289 insertions(+), 91 deletions(-) -- 1.7.4.4