Merge branch 'kvm-updates-2.6.26' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm

* 'kvm-updates-2.6.26' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm:
  x86: KVM geust: make setup_secondary_clock definition dependent on local apic
  KVM: MMU: Allow more than PAGES_PER_HPAGE write protections per large page
  KVM: avoid fx_init() schedule in atomic
  KVM: Avoid spurious execeptions after setting registers
  KVM: PIT: support mode 4
  KVM: x86 emulator: disable writeback on lmsw
  KVM: ppc: deliver INTERRUPT_FP_UNAVAIL to the guest
  KVM: ppc: Handle guest idle by emulating MSR[WE] writes
  KVM: x86: task switch: fix wrong bit setting for the busy flag
  KVM: VMX: Enable EPT feature for KVM
  KVM: VMX: Prepare an identity page table for EPT in real mode
  KVM: Export necessary function for EPT
  KVM: MMU: Remove #ifdef CONFIG_X86_64 to support 4 level EPT
  KVM: MMU: Add EPT support
  KVM: Add kvm_x86_ops get_tdp_level()
  KVM: MMU: Move some definitions to a header file
  KVM: VMX: EPT Feature Detection

include/asm-powerpc/kvm_host.h

@@ -59,6 +59,7 @@ struct kvm_vcpu_stat {
 	u32 emulated_inst_exits;
 	u32 dec_exits;
 	u32 ext_intr_exits;
+	u32 halt_wakeup;
 };
 
 struct tlbe {

include/asm-powerpc/kvm_ppc.h

@@ -77,12 +77,17 @@ static inline void kvmppc_clear_exception(struct kvm_vcpu *vcpu, int exception)
 	clear_bit(priority, &vcpu->arch.pending_exceptions);
 }
 
+/* Helper function for "full" MSR writes. No need to call this if only EE is
+ * changing. */
 static inline void kvmppc_set_msr(struct kvm_vcpu *vcpu, u32 new_msr)
 {
 	if ((new_msr & MSR_PR) != (vcpu->arch.msr & MSR_PR))
 		kvmppc_mmu_priv_switch(vcpu, new_msr & MSR_PR);
 
 	vcpu->arch.msr = new_msr;
+
+	if (vcpu->arch.msr & MSR_WE)
+		kvm_vcpu_block(vcpu);
 }
 
 #endif /* __POWERPC_KVM_PPC_H__ */

include/asm-x86/kvm_host.h

@@ -314,6 +314,9 @@ struct kvm_arch{
 	struct page *apic_access_page;
 
 	gpa_t wall_clock;
+
+	struct page *ept_identity_pagetable;
+	bool ept_identity_pagetable_done;
 };
 
 struct kvm_vm_stat {
@@ -422,6 +425,7 @@ struct kvm_x86_ops {
 				       struct kvm_run *run);
 
 	int (*set_tss_addr)(struct kvm *kvm, unsigned int addr);
+	int (*get_tdp_level)(void);
 };
 
 extern struct kvm_x86_ops *kvm_x86_ops;
@@ -433,6 +437,9 @@ void kvm_mmu_destroy(struct kvm_vcpu *vcpu);
 int kvm_mmu_create(struct kvm_vcpu *vcpu);
 int kvm_mmu_setup(struct kvm_vcpu *vcpu);
 void kvm_mmu_set_nonpresent_ptes(u64 trap_pte, u64 notrap_pte);
+void kvm_mmu_set_base_ptes(u64 base_pte);
+void kvm_mmu_set_mask_ptes(u64 user_mask, u64 accessed_mask,
+		u64 dirty_mask, u64 nx_mask, u64 x_mask);
 
 int kvm_mmu_reset_context(struct kvm_vcpu *vcpu);
 void kvm_mmu_slot_remove_write_access(struct kvm *kvm, int slot);
@@ -620,7 +627,7 @@ static inline void fx_restore(struct i387_fxsave_struct *image)
 	asm("fxrstor (%0)":: "r" (image));
 }
 
-static inline void fpu_init(void)
+static inline void fx_finit(void)
 {
 	asm("finit");
 }
@@ -644,6 +651,7 @@ static inline void kvm_inject_gp(struct kvm_vcpu *vcpu, u32 error_code)
 #define ASM_VMX_VMWRITE_RSP_RDX   ".byte 0x0f, 0x79, 0xd4"
 #define ASM_VMX_VMXOFF            ".byte 0x0f, 0x01, 0xc4"
 #define ASM_VMX_VMXON_RAX         ".byte 0xf3, 0x0f, 0xc7, 0x30"
+#define ASM_VMX_INVEPT		  ".byte 0x66, 0x0f, 0x38, 0x80, 0x08"
 #define ASM_VMX_INVVPID		  ".byte 0x66, 0x0f, 0x38, 0x81, 0x08"
 
 #define MSR_IA32_TIME_STAMP_COUNTER		0x010