From: Cyrill Gorcunov <gorcunov@openvz.org>
To: Asias He <asias.hejun@gmail.com>
Cc: Pekka Enberg <penberg@kernel.org>,
Sasha Levin <levinsasha928@gmail.com>,
Ingo Molnar <mingo@elte.hu>,
kvm@vger.kernel.org
Subject: Re: [PATCH] kvm tools: Process virito blk requests in separate thread
Date: Tue, 5 Jun 2012 10:10:30 +0400 [thread overview]
Message-ID: <20120605061030.GA15171@moon> (raw)
In-Reply-To: <CAFO3S41ugKgo_ibhbqUfQCheJNo0o9wxyziPk20hd7yt9SSu4Q@mail.gmail.com>
On Tue, Jun 05, 2012 at 08:47:17AM +0800, Asias He wrote:
> > I must admit I don't understand this code ;) The data get read into
> > stack variable forever?
>
> The data we read itself is not interesting at all. virtio_blk_thread()
> sleeps on the eventfd bdev->io_efd until notify_vq() writes something
> to wake it up.
Ah, thanks for explanation, Asias.
Cyrill
next prev parent reply other threads:[~2012-06-05 6:10 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-04 15:40 [PATCH] kvm tools: Process virito blk requests in separate thread Asias He
2012-06-04 15:48 ` Cyrill Gorcunov
2012-06-05 0:47 ` Asias He
2012-06-05 6:10 ` Cyrill Gorcunov [this message]
2012-06-04 16:07 ` Sasha Levin
2012-06-05 1:03 ` Asias He
2012-06-05 8:14 ` Pekka Enberg
2012-06-06 12:35 ` Paolo Bonzini
2012-06-07 1:38 ` Asias He
2012-06-07 8:47 ` Paolo Bonzini
2012-06-08 3:30 ` Asias He
2012-06-05 8:15 ` Pekka Enberg
-- strict thread matches above, loose matches on Subject: below --
2011-11-29 14:28 Asias He
2011-11-29 14:36 ` Sasha Levin
2011-11-30 7:21 ` Asias He
2011-12-01 8:48 ` Pekka Enberg
2011-12-01 8:58 ` Sasha Levin
2011-12-01 10:45 ` Pekka Enberg
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