Re: Re: [PATCH] libxl: fix xenstore connection when run in domU

[Ian Campbell <Ian.Campbell@eu.citrix.com>]

On Tue, 2010-08-31 at 18:51 +0100, Patrick Colp wrote:
> Which XenBus driver is this? In Linux?

Yes. Specifically pvops Linux domain 0.

> I've certainly had no issues running a Mini-OS XenStore stubdom (at least not in regards to missing
> things like XS_INTRODUCE).

xenbus_file_write has an explicit whitelist of XS_FOO which are allowed,
which doesn't include XS_INTRODUCE.

This seems to be different in linux-2.6.18-xen due to 874:68d582b0ad05
and 876:bd7e30b58d12 which I had forgotten were already applied. I guess
those just need porting up to pvops.

Ian.

> 
> 
> Patrick
> 
> 
> On 31 August 2010 03:44, Ian Campbell <Ian.Campbell@eu.citrix.com> 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.
> >
> >
> >