Re: [PATCH v6 4/7] xen/arm: configure dom0less domain for enabling xenstore after boot

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

On Thu, 5 May 2022, Jan Beulich wrote:
> On 05.05.2022 02:16, Stefano Stabellini wrote:
> > From: Luca Miccio <lucmiccio@xxxxxxxxx>
> > 
> > Export evtchn_alloc_unbound and make it __must_check.
> > 
> > If "xen,enhanced" is enabled, then add to dom0less domains:
> > 
> > - the hypervisor node in device tree
> > - the xenstore event channel
> > 
> > The xenstore event channel is also used for the first notification to
> > let the guest know that xenstore has become available.
> > 
> > Signed-off-by: Luca Miccio <lucmiccio@xxxxxxxxx>
> > Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxx>
> > Reviewed-by: Bertrand Marquis <bertrand.marquis@xxxxxxx>
> > CC: Julien Grall <julien@xxxxxxx>
> > CC: Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>
> > CC: Bertrand Marquis <bertrand.marquis@xxxxxxx>
> > CC: jbeulich@xxxxxxxx
> 
> Somehow my ack given for v5 was lost?

I'll put it back


> > ---
> > Changes in v5:
> > - merge with "xen: export evtchn_alloc_unbound"
> > - __must_check
> > 
> > Changes in v3:
> > - use evtchn_alloc_unbound
> > 
> > Changes in v2:
> > - set HVM_PARAM_STORE_PFN to ~0ULL at domain creation
> > - in alloc_xenstore_evtchn do not call _evtchn_alloc_unbound
> > 
> > xen: export evtchn_alloc_unbound
> > 
> > It will be used during dom0less domains construction.
> > 
> > Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxx>
> 
> This is somewhat confusing to find in a post-commit-message remark.

Sorry I don't know what happened there