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KVM: VMX: Make sure single type invvpid is supported before issuing invvpid instruction

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According to SDM, we need check whether single-context INVVPID type is supported
before issuing invvpid instruction.

Signed-off-by: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Reviewed-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
This commit is contained in:
Gui Jianfeng
2010-06-04 08:51:39 +08:00
committed by Avi Kivity
parent 7bee342a9e
commit 518c8aee5c
2 changed files with 9 additions and 1 deletions
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2
arch/x86/include/asm/vmx.h
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@@ -376,6 +376,8 @@ enum vmcs_field {
#define VMX_EPT_EXTENT_CONTEXT_BIT (1ull << 25)
#define VMX_EPT_EXTENT_GLOBAL_BIT (1ull << 26)
#define VMX_VPID_EXTENT_SINGLE_CONTEXT_BIT (1ull << 9) /* (41 - 32) */
#define VMX_EPT_DEFAULT_GAW 3
#define VMX_EPT_MAX_GAW 0x4
#define VMX_EPT_MT_EPTE_SHIFT 3