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[Xen-devel] [PATCH v12 17/18] xen/pvh/arm/arm64: Disable PV code that does not work with PVH (v2)



From: Mukesh Rathor <mukesh.rathor@xxxxxxxxxx>

As we do not have yet a mechanism for that.

This also impacts the ARM/ARM64 code (which does not have
hotplug support yet).

Signed-off-by: Mukesh Rathor <mukesh.rathor@xxxxxxxxxx>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
---
 drivers/xen/cpu_hotplug.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/xen/cpu_hotplug.c b/drivers/xen/cpu_hotplug.c
index cc6513a..5f80802 100644
--- a/drivers/xen/cpu_hotplug.c
+++ b/drivers/xen/cpu_hotplug.c
@@ -4,6 +4,7 @@
 
 #include <xen/xen.h>
 #include <xen/xenbus.h>
+#include <xen/features.h>
 
 #include <asm/xen/hypervisor.h>
 #include <asm/cpu.h>
@@ -102,7 +103,8 @@ static int __init setup_vcpu_hotplug_event(void)
        static struct notifier_block xsn_cpu = {
                .notifier_call = setup_cpu_watcher };
 
-       if (!xen_pv_domain())
+       /* PVH/ARM/ARM64 TBD/FIXME: future work */
+       if (!xen_pv_domain() || xen_feature(XENFEAT_auto_translated_physmap))
                return -ENODEV;
 
        register_xenstore_notifier(&xsn_cpu);
-- 
1.8.3.1


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