Re: [PATCH v3 3/5] xen/arm: configure dom0less domain for enabling xenstore after boot

2022-04-01 Thread Julien Grall
Hi Stefano, On 01/04/2022 01:34, Stefano Stabellini wrote: Because (as you noted as a comment to the following patch) as soon as d->arch.hvm.params[HVM_PARAM_STORE_PFN] is set the guest can continue with the initialization and will expect the right data to be set on the page. I think you

Re: [PATCH v3 3/5] xen/arm: configure dom0less domain for enabling xenstore after boot

2022-03-31 Thread Stefano Stabellini
On Fri, 25 Mar 2022, Julien Grall wrote: > On 23/03/2022 01:18, Stefano Stabellini wrote: > > On Sat, 29 Jan 2022, Julien Grall wrote: > > > On 28/01/2022 21:33, Stefano Stabellini wrote: > > > > +rc = evtchn_alloc_unbound(, true); > > > > +if ( rc ) > > > > +{ > > > > +

Re: [PATCH v3 3/5] xen/arm: configure dom0less domain for enabling xenstore after boot

2022-03-25 Thread Julien Grall
Hi Stefano, On 23/03/2022 01:18, Stefano Stabellini wrote: On Sat, 29 Jan 2022, Julien Grall wrote: On 28/01/2022 21:33, Stefano Stabellini wrote: +rc = evtchn_alloc_unbound(, true); +if ( rc ) +{ +printk("Failed allocating event channel for domain\n"); +return rc;

Re: [PATCH v3 3/5] xen/arm: configure dom0less domain for enabling xenstore after boot

2022-03-22 Thread Stefano Stabellini
On Sat, 29 Jan 2022, Julien Grall wrote: > On 28/01/2022 21:33, Stefano Stabellini wrote: > > From: Luca Miccio > > > > If "xen,enhanced" is enabled, then add to dom0less domains: > > > > - the hypervisor node in device tree > > - the xenstore event channel > > > > The xenstore event channel

Re: [PATCH v3 3/5] xen/arm: configure dom0less domain for enabling xenstore after boot

2022-01-29 Thread Julien Grall
Hi Stefano, On 28/01/2022 21:33, Stefano Stabellini wrote: From: Luca Miccio 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

[PATCH v3 3/5] xen/arm: configure dom0less domain for enabling xenstore after boot

2022-01-28 Thread Stefano Stabellini
From: Luca Miccio 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