linux-kernel - Re: [RFC PATCH] vhost-blk: An in-kernel accelerator for virtio-blk

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Message-ID: <CAJSP0QWefz1u9qwevKOoCQ2ZW3iaEErGatwCM72y0xr=vQgpSA@mail.gmail.com>
Date:	Thu, 28 Jul 2011 16:18:12 +0100
From:	Stefan Hajnoczi <stefanha@...il.com>
To:	Liu Yuan <namei.unix@...il.com>
Cc:	"Michael S. Tsirkin" <mst@...hat.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Avi Kivity <avi@...hat.com>, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH] vhost-blk: An in-kernel accelerator for virtio-blk

On Thu, Jul 28, 2011 at 3:29 PM, Liu Yuan <namei.unix@...il.com> wrote:
> +static int blk_completion_worker(void *priv)
> +{

Do you really need this?  How about using the vhost poll helper to
observe the eventfd?  Then you can drop your own worker thread code
and simply have a work function to handle all pending completions
events.

Stefan
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