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

  • To: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
  • 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.

> Ian.

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

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