From mboxrd@z Thu Jan  1 00:00:00 1970
From: Cyrill Gorcunov <gorcunov@openvz.org>
Subject: Re: [PATCH] kvm tools: Process virito blk requests in separate thread
Date: Mon, 4 Jun 2012 19:48:35 +0400
Message-ID: <20120604154835.GE23701@moon>
References: <1338824453-25260-1-git-send-email-asias.hejun@gmail.com>
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Cc: Pekka Enberg <penberg@kernel.org>,
	Sasha Levin <levinsasha928@gmail.com>,
	Ingo Molnar <mingo@elte.hu>, kvm@vger.kernel.org
To: Asias He <asias.hejun@gmail.com>
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On Mon, Jun 04, 2012 at 11:40:53PM +0800, Asias He wrote:
>  
> +static void *virtio_blk_thread(void *dev)
> +{
> +	struct blk_dev *bdev = dev;
> +	u64 data;
> +
> +	while (1) {
> +		read(bdev->io_efd, &data, sizeof(u64));
> +		virtio_blk_do_io(bdev->kvm, &bdev->vqs[0], bdev);
> +	}
> +
> +	pthread_exit(NULL);
> +	return NULL;
> +}

I must admit I don't understand this code ;) The data get read into
stack variable forever?

	Cyrill