Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 8e1c1815 authored by Sheng Yang's avatar Sheng Yang Committed by Avi Kivity
Browse files

KVM: VMX: Disable VMX when system shutdown 



Intel TXT(Trusted Execution Technology) required VMX off for all cpu to work
when system shutdown.

CC: Joseph Cihula <joseph.cihula@intel.com>
Signed-off-by: default avatarSheng Yang <sheng@linux.intel.com>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent 522c68c4

virt/kvm/kvm_main.c

+9 −9
Original line number Diff line number Diff line
@@ -2391,15 +2391,15 @@ EXPORT_SYMBOL_GPL(kvm_handle_fault_on_reboot); 
static int kvm_reboot(struct notifier_block *notifier, unsigned long val,

		      void *v)

{

	if (val == SYS_RESTART) {

	/*

	 * Some (well, at least mine) BIOSes hang on reboot if

	 * in vmx root mode.

	 *

	 * And Intel TXT required VMX off for all cpu when system shutdown.

	 */

	printk(KERN_INFO "kvm: exiting hardware virtualization\n");

	kvm_rebooting = true;

	on_each_cpu(hardware_disable, NULL, 1);

	}

	return NOTIFY_OK;

}