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KVM: VMX: extract kvm_cpu_vmxoff() from hardware_disable()

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Along with some comments on why it is different from the core cpu_vmxoff()
function.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Eduardo Habkost 2008-11-17 19:03:18 -02:00 committed by Avi Kivity
parent 1e9931146c
commit 710ff4a855
1 changed files with 11 additions and 2 deletions
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13
arch/x86/kvm/vmx.c
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@ -1091,11 +1091,20 @@ static void vmclear_local_vcpus(void)
__vcpu_clear(vmx);
}
/* Just like cpu_vmxoff(), but with the __kvm_handle_fault_on_reboot()
* tricks.
*/
static void kvm_cpu_vmxoff(void)
{
asm volatile (__ex(ASM_VMX_VMXOFF) : : : "cc");
write_cr4(read_cr4() & ~X86_CR4_VMXE);
}
static void hardware_disable(void *garbage)
{
vmclear_local_vcpus();
asm volatile (__ex(ASM_VMX_VMXOFF) : : : "cc");
write_cr4(read_cr4() & ~X86_CR4_VMXE);
kvm_cpu_vmxoff();
}
static __init int adjust_vmx_controls(u32 ctl_min, u32 ctl_opt,