On Mon, Mar 03, 2014 at 11:30:01AM +0100, Stefan Hajnoczi wrote: > v6: > * Rename to object_get_canonical_path_component() [Andreas] > * Add g_assert(obj) in object_get_canonical_path_component() [Andreas] > > v5: > * Use Igor's get_pointer() malloc string patch [Igor] > * Add object_get_canonical_basename() and use it for iothread_get_id() [Igor] > > v4: > * Rename qdev property to virtio-blk-pci,x-iothread= since we will switch to > QOM links once object_property_add_link() is fixed [bonzini] > > v3: > * Fixed "Reliquinish" typo [fam] > * Rebased onto qemu.git/master which now has Igor's -object improvements > > v2: > * Based off Igor's "-object/object-add support custom location and 2nd stage > initialization" series > * Dropped dedicated -iothread option in favor of -object > * Avoid re-acquiring rfifo in iothread_run() [mdroth] > > This series moves the event loop thread out of dataplane code. It makes > -object iothread,id=foo a separate concept so several devices can be bound to > same iothread. > > Syntax: > > qemu -object iothread,id=iothread0 \ > -device virtio-blk-pci,x-iothread=iothread0,x-data-plane=on,... > > For backwards-compatibility the iothread= parameter can be omitted. A > per-device IOThread will be created behind the scenes (just like the old 1:1 > threading model). > > This series includes the aio_context_acquire/release API which makes it easy > to > synchronize access to AioContext across threads. > > After this series I will send separate patches for a "query-iothreads" command > that returns thread IDs similar to "query-cpus". This will allow binding > dataplane threads to host CPUs. > > Igor Mammedov (1): > qdev: make get_pointer() handle temporary strings > > Stefan Hajnoczi (6): > object: add object_get_canonical_path_component() > rfifolock: add recursive FIFO lock > aio: add aio_context_acquire() and aio_context_release() > iothread: add I/O thread object > iothread: add "iothread" qdev property type > dataplane: replace internal thread with IOThread > > Makefile.objs | 1 + > async.c | 18 ++++++ > hw/block/dataplane/virtio-blk.c | 96 +++++++++++++++++-------------- > hw/core/qdev-properties-system.c | 70 ++++++++++++++++++++--- > include/block/aio.h | 18 ++++++ > include/hw/qdev-properties.h | 3 + > include/hw/virtio/virtio-blk.h | 8 ++- > include/qemu/rfifolock.h | 54 ++++++++++++++++++ > include/qom/object.h | 8 +++ > include/sysemu/iothread.h | 30 ++++++++++ > iothread.c | 119 > +++++++++++++++++++++++++++++++++++++++ > qom/object.c | 54 ++++++++++-------- > tests/Makefile | 2 + > tests/test-aio.c | 58 +++++++++++++++++++ > tests/test-rfifolock.c | 90 +++++++++++++++++++++++++++++ > util/Makefile.objs | 1 + > util/rfifolock.c | 78 +++++++++++++++++++++++++ > 17 files changed, 634 insertions(+), 74 deletions(-) > create mode 100644 include/qemu/rfifolock.h > create mode 100644 include/sysemu/iothread.h > create mode 100644 iothread.c > create mode 100644 tests/test-rfifolock.c > create mode 100644 util/rfifolock.c
Applied to my block tree: https://github.com/stefanha/qemu/commits/block Stefan
