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Re: ????: [Xen-devel] Re: [PATCH] libxl: fix xenstore connection when run in domU



At 09:40 +0100 on 01 Sep (1283334016), Jun Zhu (Intern) wrote:
> In pvops, in the function  xenbus_file_write of file 
> drivers/xen/xenfs/xenbus.c.
> In the switch, there is no XS_INTRODUCE which is used to create a new domain.
> These commands are eliminated here, since in default, a Domu cannot use these 
> commands. 

As Ian Campbell just said, you need to port changesets 874 and 876 of
the linux-2.6.18-xen tree to your pvops kernel:

http://xenbits.xensource.com/linux-2.6.18-xen.hg?rev=876

Cheers,

Tim.

> ??????: Patrick Colp [pjcolp@xxxxxxxxx]
> ????????: 2010??8??31?? ???? 1:51
> ??????: Ian Campbell
> ????: Jun Zhu (Intern); Tim Deegan; dgdegra@xxxxxxxxxxxxx; 
> xen-devel@xxxxxxxxxxxxxxxxxxx
> ????: Re: [Xen-devel] Re: [PATCH] libxl: fix xenstore connection when run in 
> domU
> 
> Which XenBus driver is this? In Linux? I've certainly had no issues
> running a Mini-OS XenStore stubdom (at least not in regards to missing
> things like XS_INTRODUCE).
> 
> 
> Patrick
> 
> 
> On 31 August 2010 03:44, Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx> wrote:
> > On Tue, 2010-08-31 at 11:32 +0100, Jun Zhu (Intern) wrote:
> >>
> >> If xenstore runs in a seperate domain, it must use xenbus dev to
> >> communicate. If so, the xenstore commands in Xenbus driver are not
> >> complete. For example, it does not contain XS_INTRODUCE now.
> >
> > IIRC Diego's original xenstore-stubdom patch series from way back when
> > (posted to the list by Diego and again later by Alex Zeffertt) included
> > patches to the kernel side xenbus driver to resolve issues like this.
> >
> > Ian.
> >
> >
> >

-- 
Tim Deegan <Tim.Deegan@xxxxxxxxxx>
Principal Software Engineer, XenServer Engineering
Citrix Systems UK Ltd.  (Company #02937203, SL9 0BG)

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