* Michael S. Tsirkin (mst@redhat.com) wrote:
> On Mon, Mar 12, 2018 at 05:20:55PM +0000, Dr. David Alan Gilbert (git) wrote:
> > From: "Dr. David Alan Gilbert" <dgilbert@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.
> >
> > v5 is mostly just fixes from comments received during review of v4.
> > The only notable one is that the 'advise' message no longer has any
> > data.
>
> I plan to apply this. Could you pls rebase on top of
> pci branch in my tree? Or wait till it's merged and rebase.
> And pls fix the minor whitespace issue git warns about.
Yes, I'll post this as a v6 in a minute; the merge took a little
bit of cleanup on one patch.
Dave
> > 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 slave
> > 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: Helper to 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 | 302 ++++++++++++++++++++++++-
> > contrib/libvhost-user/libvhost-user.h | 11 +
> > docs/devel/migration.rst | 41 ++++
> > docs/interop/vhost-user.txt | 52 +++++
> > 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 | 73 ++++++
> > 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, 1358 insertions(+), 98 deletions(-)
> >
> > --
> > 2.14.3
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK