Re: [Xen-devel] [PATCH] tools/libxl: prepare vnc options for dm_

To:	Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
Subject:	Re: [Xen-devel] [PATCH] tools/libxl: prepare vnc options for dm_args in libxl__build_device_model_args_new
From:	ZhouPeng <zpengxen@xxxxxxxxx>
Date:	Tue, 10 May 2011 19:32:44 +0800
Cc:	"Xen-Devel \(E-mail\)" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Delivery-date:	Tue, 10 May 2011 04:33:34 -0700
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2011/5/9 Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>:
> ZhouPeng writes ("[Xen-devel] [PATCH] tools/libxl: prepare vnc options for 
> dm_args in libxl__build_device_model_args_new"):
>> This pacth clean up vnc options preparing code for xen-upstream-qemu.
>> Add password option which allows you to use vncpasswd auth by xl.
>
> How does the new qemu actually find out what the password is ?  AFAICT
> from the current code, it is only written to xenstore.
Yes, it is only writen to xenstore for new qemu
> Does the new qemu read it from there like the old one ?
New qemu hasn't implemented it yet, but I have send a patch named
[xen-upstream-qemu: get vncpassword through xenstore, enable
VNC_AUTH_VNC] [http://patchwork.ozlabs.org/patch/92372/] to this
mail-list before which was cced to you.
That patch allows to read vncpasswd through xenstore in new qemu.

In the discussion, Stefano Stabellini suggest to use QMP to
communicate vncpasswd.

Thanks,
> Ian.
>



-- 
Zhou Peng
Operating System Technology Group
Institute of Software, the Chinese Academy of Sciences (ISCAS)

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Re: [Xen-devel] [PATCH] tools/libxl: prepare vnc options for dm_args in