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| author | Jan Kiszka <jan.kiszka@siemens.com> | 2013-03-13 16:06:41 +0100 |
|---|---|---|
| committer | Gleb Natapov <gleb@redhat.com> | 2013-03-14 09:00:55 +0100 |
| commit | c18911a23ce1dec27fa3325b50587de2569d26f8 (patch) | |
| tree | 97b89423b1dfdbab7c18ce59073057d4a8d0221e /arch/x86/include/asm/vmx.h | |
| parent | KVM: nVMX: Clean up and fix pin-based execution controls (diff) | |
| download | linux-c18911a23ce1dec27fa3325b50587de2569d26f8.tar.xz linux-c18911a23ce1dec27fa3325b50587de2569d26f8.zip | |
KVM: nVMX: Provide EFER.LMA saving support
We will need EFER.LMA saving to provide unrestricted guest mode. All
what is missing for this is picking up EFER.LMA from VM_ENTRY_CONTROLS
on L2->L1 switches. If the host does not support EFER.LMA saving,
no change is performed, otherwise we properly emulate for L1 what the
hardware does for L0. Advertise the support, depending on the host
feature.
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Diffstat (limited to 'arch/x86/include/asm/vmx.h')
| -rw-r--r-- | arch/x86/include/asm/vmx.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/include/asm/vmx.h b/arch/x86/include/asm/vmx.h index 3c9f455bacee..056bda586a45 100644 --- a/arch/x86/include/asm/vmx.h +++ b/arch/x86/include/asm/vmx.h @@ -95,6 +95,8 @@ #define VM_ENTRY_ALWAYSON_WITHOUT_TRUE_MSR 0x000011ff +#define VMX_MISC_SAVE_EFER_LMA 0x00000020 + /* VMCS Encodings */ enum vmcs_field { VIRTUAL_PROCESSOR_ID = 0x00000000, |