The following changes since commit 2ccede18bd24fce5db83fef3674563a1f256717b:
Merge remote-tracking branch 'remotes/vivier/tags/m68k-for-2.9-pull-request'
into staging (2017-01-16 12:41:35 +0000)
are available in the git repository at:
git://github.com/stefanha/qemu.git tags/block-pull-request
for you to fetch changes up to 7d506c90afa47facdb993bc19c15863eef584f1d:
async: optimize aio_bh_poll (2017-01-16 13:25:18 +0000)
----------------------------------------------------------------
----------------------------------------------------------------
Paolo Bonzini (11):
block: get rid of bdrv_io_unplugged_begin/end
aio: rename bh_lock to list_lock
qemu-thread: introduce QemuLockCnt
aio: make ctx->list_lock a QemuLockCnt, subsuming ctx->walking_bh
qemu-thread: optimize QemuLockCnt with futexes on Linux
aio-posix: split aio_dispatch_handlers out of aio_dispatch
aio: tweak walking in dispatch phase
aio-posix: remove walking_handlers, protecting AioHandler list with
list_lock
aio-win32: remove walking_handlers, protecting AioHandler list with
list_lock
aio: document locking
async: optimize aio_bh_poll
docs/lockcnt.txt | 277 +++++++++++++++++++++++++++++++
docs/multiple-iothreads.txt | 13 +-
util/Makefile.objs | 1 +
include/block/aio.h | 38 ++---
include/block/block.h | 2 -
include/block/block_int.h | 3 +-
include/qemu/futex.h | 36 ++++
include/qemu/thread.h | 112 +++++++++++++
aio-posix.c | 118 +++++++------
aio-win32.c | 83 +++++----
async.c | 45 ++---
block/io.c | 41 +----
util/lockcnt.c | 397 ++++++++++++++++++++++++++++++++++++++++++++
util/qemu-thread-posix.c | 35 +---
util/qemu-thread-win32.c | 2 +-
util/trace-events | 10 ++
16 files changed, 1010 insertions(+), 203 deletions(-)
create mode 100644 docs/lockcnt.txt
create mode 100644 include/qemu/futex.h
create mode 100644 util/lockcnt.c
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2.9.3