From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Date: Mon, 6 Feb 2017 15:58:05 +0000 (-0500)
Subject: xen/pvh: Enable CPU hotplug
X-Git-Tag: v4.11-rc1~136^2~8
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=2a7197f02dddf1f9cee300bd12512375ed56524a;p=thirdparty%2Fkernel%2Flinux.git

xen/pvh: Enable CPU hotplug

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>
---

diff --git a/drivers/xen/cpu_hotplug.c b/drivers/xen/cpu_hotplug.c
index 5676aefdf2bca..0bab60a374648 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