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Commit c0dfee58 authored by Arthur Chunqi Li's avatar Arthur Chunqi Li Committed by Paolo Bonzini
Browse files

KVM: nVMX: Advertise IA32_PAT in VM exit control 



Advertise VM_EXIT_SAVE_IA32_PAT and VM_EXIT_LOAD_IA32_PAT.

Signed-off-by: default avatarArthur Chunqi Li <yzt356@gmail.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 57435349

arch/x86/kvm/vmx.c

+5 −3
Original line number Diff line number Diff line
@@ -2196,13 +2196,15 @@ static __init void nested_vmx_setup_ctls_msrs(void) 
	 * If bit 55 of VMX_BASIC is off, bits 0-8 and 10, 11, 13, 14, 16 and

	 * 17 must be 1.

	 */

	rdmsr(MSR_IA32_VMX_EXIT_CTLS,

		nested_vmx_exit_ctls_low, nested_vmx_exit_ctls_high);

	nested_vmx_exit_ctls_low = VM_EXIT_ALWAYSON_WITHOUT_TRUE_MSR;

	/* Note that guest use of VM_EXIT_ACK_INTR_ON_EXIT is not supported. */

	nested_vmx_exit_ctls_high &=

#ifdef CONFIG_X86_64

	nested_vmx_exit_ctls_high = VM_EXIT_HOST_ADDR_SPACE_SIZE;

#else

	nested_vmx_exit_ctls_high = 0;

		VM_EXIT_HOST_ADDR_SPACE_SIZE |

#endif

		VM_EXIT_LOAD_IA32_PAT | VM_EXIT_SAVE_IA32_PAT;

	nested_vmx_exit_ctls_high |= (VM_EXIT_ALWAYSON_WITHOUT_TRUE_MSR |

				      VM_EXIT_LOAD_IA32_EFER);