linux-kernel - [PATCH v3 8/9] xen/pvh: Enable CPU hotplug

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Message-Id: <1486400425-5356-9-git-send-email-boris.ostrovsky@oracle.com>
Date:   Mon,  6 Feb 2017 12:00:24 -0500
From:   Boris Ostrovsky <boris.ostrovsky@...cle.com>
To:     JGross@...e.com
Cc:     roger.pau@...rix.com, xen-devel@...ts.xenproject.org,
        linux-kernel@...r.kernel.org, boris.ostrovsky@...cle.com
Subject: [PATCH v3 8/9] 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@...cle.com>
Reviewed-by: Juergen Gross <jgross@...e.com>
---
 drivers/xen/cpu_hotplug.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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
-- 
2.7.4