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[v2,8/9] xen/pvh: Enable CPU hotplug

Message ID 1485459692-23961-9-git-send-email-boris.ostrovsky@oracle.com (mailing list archive)
State New, archived
Headers show

Commit Message

Boris Ostrovsky Jan. 26, 2017, 7:41 p.m. UTC 
PVH guests don't (yet) receive ACPI hotplug interrupts and therefore
need to monitor xenstore for CPU hotplug event.

Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
---
 drivers/xen/cpu_hotplug.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Jürgen Groß Jan. 27, 2017, 3:36 p.m. UTC | #1 
On 26/01/17 20:41, Boris Ostrovsky wrote:
> PVH guests don't (yet) receive ACPI hotplug interrupts and therefore
> need to monitor xenstore for CPU hotplug event.
> 
> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>

Reviewed-by: Juergen Gross <jgross@suse.com>


Juergen
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Patch

diff --git a/drivers/xen/cpu_hotplug.c b/drivers/xen/cpu_hotplug.c
index 5676aef..0bab60a3 100644
--- a/drivers/xen/cpu_hotplug.c
+++ b/drivers/xen/cpu_hotplug.c
@@ -107,7 +107,7 @@  static int __init setup_vcpu_hotplug_event(void)
 		.notifier_call = setup_cpu_watcher };
 
 #ifdef CONFIG_X86
-	if (!xen_pv_domain())
+	if (!xen_pv_domain() && !xen_pvh_domain())
 #else
 	if (!xen_domain())
 #endif