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Re: [PATCH 10/23] xen/arm: dom0less delay xenstore initialization
- To: Stefano Stabellini <sstabellini@xxxxxxxxxx>
- From: Jason Andryuk <jason.andryuk@xxxxxxx>
- Date: Fri, 7 Mar 2025 13:36:15 -0500
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- Cc: <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, "Bertrand Marquis" <bertrand.marquis@xxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>
- Delivery-date: Fri, 07 Mar 2025 18:36:36 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 2025-03-06 20:59, Stefano Stabellini wrote:
On Thu, 6 Mar 2025, Jason Andryuk wrote:
@@ -697,7 +703,7 @@ static int __init alloc_xenstore_evtchn(struct domain *d)
int rc;
alloc.dom = d->domain_id;
- alloc.remote_dom = hardware_domain->domain_id;
+ alloc.remote_dom = xs_domid;
This...
rc = evtchn_alloc_unbound(&alloc, 0);
if ( rc )
{
@@ -767,16 +769,10 @@ static int __init alloc_xenstore_params(struct
kernel_info *kinfo)
struct domain *d = kinfo->d;
int rc = 0;
- if ( kinfo->dom0less_feature & (DOM0LESS_XENSTORE | DOM0LESS_XS_LEGACY) )
- {
- ASSERT(hardware_domain);
- rc = alloc_xenstore_evtchn(d);
This patch looks correct. However, I don't understand why you didn't
keep the call to alloc_xenstore_evtchn in alloc_xenstore_params.
alloc_xenstore_evtchn() needs to be delayed so that xs_domid is available.
Regards,
Jason
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