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xen/pvh: Use Xen's emergency_restart op for PVH guests

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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@oracle.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
This commit is contained in:
Boris Ostrovsky 2017-02-06 10:58:06 -05:00
parent 2a7197f02d
commit 7a1c44ebc5
1 changed files with 3 additions and 0 deletions
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3
arch/x86/xen/enlighten.c
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@ -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;