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From: Christopher Covington <cov@codeaurora.org>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: "KONRAD Frédéric" <fred.konrad@greensocs.com>,
	"Pawel Moll" <pawel.moll@arm.com>,
	"virtualization@lists.linux-foundation.org"
	<virtualization@lists.linux-foundation.org>
Subject: Re: what should a virtio-mmio transport without a backend look like?
Date: Fri, 21 Jun 2013 14:45:38 -0400	[thread overview]
Message-ID: <51C49F52.1070906@codeaurora.org> (raw)
In-Reply-To: <CAFEAcA9VjH7DhKnFTK-CjnQPOV8vqduLjuQgWMrOzuz2V1VgwQ@mail.gmail.com>

On 06/21/2013 02:28 PM, Peter Maydell wrote:
> On 21 June 2013 19:01, Christopher Covington <cov@codeaurora.org> wrote:
>> Anyhow, I just did a quick experiment with 0-size block devices, and they seem
>> to work for me, although trying to mount the device yields the confusing
>> message, "mount: mounting /dev/vda on mount failed: Invalid argument".
> 
> I'm confused -- what's the significance of zero size
> block devices?

You were proposing to use a valid/existing MagicValue/Version/VendorID with a
special DeviceID that does nothing. I'm saying why not use a valid/existing
MagicValue/Version/VendorID/DeviceID with a special parameter setting, size=0,
that does nothing?

Christopher

-- 
Employee of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
hosted by the Linux Foundation.

  reply	other threads:[~2013-06-21 18:45 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CAFEAcA9qCUQLZho8wJvewYJ0AEhDBc37_LpZWs8XBV1U7RVZgA@mail.gmail.com>
2013-06-20 11:08 ` what should a virtio-mmio transport without a backend look like? Pawel Moll
2013-06-20 12:58   ` Christopher Covington
2013-06-21 15:23     ` Peter Maydell
2013-06-21 16:02       ` Christopher Covington
2013-06-21 16:41         ` Peter Maydell
2013-06-21 16:47           ` Pawel Moll
2013-06-21 17:01             ` Peter Maydell
2013-06-21 18:01               ` Christopher Covington
2013-06-21 18:28                 ` Peter Maydell
2013-06-21 18:45                   ` Christopher Covington [this message]
2013-06-22 10:51                     ` Peter Maydell
2013-06-24 12:26                       ` Christopher Covington
2013-06-24 12:57                         ` Peter Maydell
2013-06-21 20:13                   ` Paolo Bonzini
2013-07-01  0:07   ` Rusty Russell

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