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Date: Wed, 18 Sep 2013 15:54:42 +0200
From: Stefan Hajnoczi <stefanha@gmail.com>
Message-ID: <20130918135442.GD25444@stefanha-thinkpad.redhat.com>
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Subject: Re: [Qemu-devel] [PATCH v3 0/4] timers thread-safe stuff
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To: Liu Ping Fan <qemulist@gmail.com>
Cc: Kevin Wolf <kwolf@redhat.com>, Alex Bligh <alex@alex.org.uk>, Jan Kiszka <jan.kiszka@siemens.com>, qemu-devel@nongnu.org, Stefan Hajnoczi <stefanha@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>

On Tue, Aug 27, 2013 at 11:20:59AM +0800, Liu Ping Fan wrote:
> Saw the Alex's patches has been merged, rebase mine onto his.
> 
> v3:
>   1. rename seqlock_read_check as seqlock_read_retry
>   2. Document timerlist were protected by BQL, and discard private lock around "qemu_event_wait(tl->ev)".
> 
> v2:
>   1. fix comment in commit and code
>   2. fix race issue for qemu_clock_enable(foo,disable)
> 
> 
> Liu Ping Fan (2):
>   timer: protect timers_state's clock with seqlock
>   timer: make qemu_clock_enable sync between disable and timer's cb
> 
> Paolo Bonzini (2):
>   seqlock: introduce read-write seqlock
>   qemu-thread: add QemuEvent
> 
>  cpus.c                      |  36 +++++++++++---
>  include/qemu/seqlock.h      |  72 +++++++++++++++++++++++++++
>  include/qemu/thread-posix.h |   8 +++
>  include/qemu/thread-win32.h |   4 ++
>  include/qemu/thread.h       |   7 +++
>  include/qemu/timer.h        |   4 ++
>  qemu-timer.c                |  20 +++++++-
>  util/qemu-thread-posix.c    | 116 ++++++++++++++++++++++++++++++++++++++++++++
>  util/qemu-thread-win32.c    |  26 ++++++++++
>  9 files changed, 286 insertions(+), 7 deletions(-)
>  create mode 100644 include/qemu/seqlock.h

Ping Fan: Can you send a final version that addresses Alex's request for
documentation?

Otherwise we're ready to go.

Stefan