* Dr. David Alan Gilbert (git) (dgilb...@redhat.com) wrote: > From: "Dr. David Alan Gilbert" <dgilb...@redhat.com> > > This set enables postcopy migration with shared memory to a vhost user > process. > It's based off current head. > > Testing is mostly performed with dpdk, with corresponding modifications by > Maxime.
Maxime's dpdk world is available here: https://gitlab.com/mcoquelin/dpdk-next-virtio.git on the postcopy_proto_v4 branch. Dave > v4 is mostly just fixes from comments received during review of v3, > and the normal updating of all the virtio enum's to catch up with other > things getting in before us. > > Dave > > > Dr. David Alan Gilbert (29): > migrate: Update ram_block_discard_range for shared > qemu_ram_block_host_offset > postcopy: use UFFDIO_ZEROPAGE only when available > postcopy: Add notifier chain > postcopy: Add vhost-user flag for postcopy and check it > vhost-user: Add 'VHOST_USER_POSTCOPY_ADVISE' message > libvhost-user: Support sending fds back to qemu > libvhost-user: Open userfaultfd > postcopy: Allow registering of fd handler > vhost+postcopy: Register shared ufd with postcopy > vhost+postcopy: Transmit 'listen' to client > postcopy+vhost-user: Split set_mem_table for postcopy > migration/ram: ramblock_recv_bitmap_test_byte_offset > libvhost-user+postcopy: Register new regions with the ufd > vhost+postcopy: Send address back to qemu > vhost+postcopy: Stash RAMBlock and offset > vhost+postcopy: Send requests to source for shared pages > vhost+postcopy: Resolve client address > postcopy: helper for waking shared > postcopy: postcopy_notify_shared_wake > vhost+postcopy: Add vhost waker > vhost+postcopy: Call wakeups > libvhost-user: mprotect & madvises for postcopy > vhost-user: Add VHOST_USER_POSTCOPY_END message > vhost+postcopy: Wire up POSTCOPY_END notify > vhost: Huge page align and merge > postcopy: Allow shared memory > libvhost-user: Claim support for postcopy > postcopy shared docs > > contrib/libvhost-user/libvhost-user.c | 303 ++++++++++++++++++++++++- > contrib/libvhost-user/libvhost-user.h | 11 + > docs/devel/migration.rst | 41 ++++ > docs/interop/vhost-user.txt | 51 +++++ > exec.c | 86 +++++-- > hw/virtio/trace-events | 16 +- > hw/virtio/vhost-user.c | 411 > +++++++++++++++++++++++++++++++++- > hw/virtio/vhost.c | 66 +++++- > include/exec/cpu-common.h | 4 + > migration/migration.c | 6 + > migration/migration.h | 4 + > migration/postcopy-ram.c | 354 +++++++++++++++++++++++------ > migration/postcopy-ram.h | 69 ++++++ > migration/ram.c | 5 + > migration/ram.h | 1 + > migration/savevm.c | 13 ++ > migration/trace-events | 6 + > trace-events | 3 +- > vl.c | 2 + > 19 files changed, 1354 insertions(+), 98 deletions(-) > > -- > 2.14.3 > > -- Dr. David Alan Gilbert / dgilb...@redhat.com / Manchester, UK
