Re: [Xen-devel] xm-test domain creation delay

[Anthony Liguori <aliguori@xxxxxxxxxx>]

Ian Pratt wrote:

> > > Right, which is why I asked if this sort of thing would be 
>  
>
> > needed in a 
> >    
> >
> > > generic sense.
> > >      
> > Yes, it would be nice for more general cases, but that of 
> > course means controlling the guest environment, and that 
> > would mean more interaction with distro-specific aspects than 
> > I personally would like to take on at the moment.
> > It's not scary when we're doing it for xm-test, because we do 
> > control that environment, but doing it for general guests is 
> > more fiddly.  However, I'm sure somebody somewhere will want 
> > to know when the guest is actually booted, as opposed to 
> > merely started, and writing to xenstore seems like a good way 
> > to go about it.
> >    
> It's arguable that having a irtual filesystem inplemented in the kernel
> for accessing xenstore would be good.
2.6.14 now has FUSE which allows for virtual filesystems to be 
implemented in userspace.
Regards,

Anthony Liguori

> Ideally, it would need to support
> mkdir and creating new files which is slightly tricky. Allowing
> read/write of existing nodes should be straightforward building on sys
> or proc.
>
> Ian
>
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>
>  

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