Using native_machine_emergency_restart (called during reboot) will
lead PVH guests to machine_real_restart() where we try to use
real_mode_header which is not initialized.
Signed-off-by: Boris Ostrovsky <boris.ostrov...@oracle.com>
Reviewed-by: Juergen Gross <jgr...@suse.com>
---
arch/x86/xen/enlighten.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 6d406f3..ec1d5c4 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -1924,6 +1924,9 @@ static void __init xen_hvm_guest_init(void)
x86_init.irqs.intr_init = xen_init_IRQ;
xen_hvm_init_time_ops();
xen_hvm_init_mmu_ops();
+
+ if (xen_pvh_domain())
+ machine_ops.emergency_restart = xen_emergency_restart;
#ifdef CONFIG_KEXEC_CORE
machine_ops.shutdown = xen_hvm_shutdown;
machine_ops.crash_shutdown = xen_hvm_crash_shutdown;
--
2.7.4
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