From: Stefan Hajnoczi <stefanha@gmail.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: famz@redhat.com, qemu-devel@nongnu.org, stefanha@redhat.com
Subject: Re: [Qemu-devel] [PATCH 3/3] iothread: release iothread around aio_poll
Date: Fri, 6 Mar 2015 11:16:05 -0600 [thread overview]
Message-ID: <20150306171605.GD2431@stefanha-thinkpad.redhat.com> (raw)
In-Reply-To: <1424449612-18215-4-git-send-email-pbonzini@redhat.com>
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On Fri, Feb 20, 2015 at 05:26:52PM +0100, Paolo Bonzini wrote:
> This is the first step towards having fine-grained critical sections in
> dataplane threads, which resolves lock ordering problems between
> address_space_* functions (which need the BQL when doing MMIO, even
> after we complete RCU-based dispatch) and the AioContext.
>
> Because AioContext does not use contention callbacks anymore, the
> unit test has to be changed.
>
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> ---
> async.c | 8 +-------
> iothread.c | 11 ++---------
> tests/test-aio.c | 21 ++++++++++++---------
> 3 files changed, 15 insertions(+), 25 deletions(-)
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
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next prev parent reply other threads:[~2015-03-06 17:16 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-20 16:26 [Qemu-devel] [PATCH RFC 0/3] iothread: release iothread around aio_poll Paolo Bonzini
2015-02-20 16:26 ` [Qemu-devel] [PATCH 1/3] aio-posix: move pollfds to thread-local storage Paolo Bonzini
2015-03-06 16:50 ` Stefan Hajnoczi
2015-02-20 16:26 ` [Qemu-devel] [PATCH 2/3] AioContext: acquire/release AioContext during aio_poll Paolo Bonzini
2015-02-25 5:45 ` Fam Zheng
2015-02-26 13:21 ` Paolo Bonzini
2015-03-06 17:15 ` Stefan Hajnoczi
2015-07-08 2:18 ` Fam Zheng
2015-07-08 7:52 ` Paolo Bonzini
2015-02-20 16:26 ` [Qemu-devel] [PATCH 3/3] iothread: release iothread around aio_poll Paolo Bonzini
2015-03-06 17:16 ` Stefan Hajnoczi [this message]
2015-03-31 10:35 ` [Qemu-devel] [PATCH RFC 0/3] " Paolo Bonzini
2015-03-31 14:33 ` Stefan Hajnoczi
2015-04-21 15:40 ` Stefan Hajnoczi
2015-04-21 15:54 ` Paolo Bonzini
2015-04-22 10:26 ` Stefan Hajnoczi
2015-03-31 14:03 ` Stefan Hajnoczi
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