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[Xen-devel] [PATCH v2 9/9] xen/pvh: Use Xen's emergency_restart op for PVH guests



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.ostrovsky@xxxxxxxxxx>
---
New in v2

 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 6463382..20ae5d9d 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -1915,6 +1915,9 @@ 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;
-- 
1.8.3.1


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