diff options
| author | Sheng Yang <sheng@linux.intel.com> | 2009-04-29 11:09:04 +0800 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2009-06-10 11:48:50 +0300 |
| commit | 8e1c18157d8772e65247ac55525a05a26b83fffe (patch) | |
| tree | 5f2c1ad732d0b8145d79911c9878641529954340 /virt | |
| parent | 522c68c4416de3cd3e11a9ff10d58e776a69ae1e (diff) | |
| download | lwn-8e1c18157d8772e65247ac55525a05a26b83fffe.tar.gz lwn-8e1c18157d8772e65247ac55525a05a26b83fffe.zip | |
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: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'virt')
| -rw-r--r-- | virt/kvm/kvm_main.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 63d5fa2bc84a..29c0afb064da 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -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. - */ - printk(KERN_INFO "kvm: exiting hardware virtualization\n"); - kvm_rebooting = true; - on_each_cpu(hardware_disable, NULL, 1); - } + /* + * 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; } |