diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h
index cd7488641db8..c52279d89ae4 100644
--- a/arch/mips/include/asm/kvm_host.h
+++ b/arch/mips/include/asm/kvm_host.h
@@ -287,13 +287,18 @@ struct kvm_mmu_memory_cache {
 struct kvm_vcpu_arch {
 	void *guest_ebase;
 	int (*vcpu_run)(struct kvm_run *run, struct kvm_vcpu *vcpu);
+
+	/* Host registers preserved across guest mode execution */
 	unsigned long host_stack;
 	unsigned long host_gp;
+	unsigned long host_pgd;
+	unsigned long host_entryhi;
 
 	/* Host CP0 registers used when handling exits from guest */
 	unsigned long host_cp0_badvaddr;
 	unsigned long host_cp0_epc;
 	u32 host_cp0_cause;
+	u32 host_cp0_guestctl0;
 	u32 host_cp0_badinstr;
 	u32 host_cp0_badinstrp;
 
diff --git a/arch/mips/kvm/entry.c b/arch/mips/kvm/entry.c
index c5b254c4d0da..16e1c93b484f 100644
--- a/arch/mips/kvm/entry.c
+++ b/arch/mips/kvm/entry.c
@@ -51,12 +51,15 @@
 #define RA		31
 
 /* Some CP0 registers */
+#define C0_PWBASE	5, 5
 #define C0_HWRENA	7, 0
 #define C0_BADVADDR	8, 0
 #define C0_BADINSTR	8, 1
 #define C0_BADINSTRP	8, 2
 #define C0_ENTRYHI	10, 0
+#define C0_GUESTCTL1	10, 4
 #define C0_STATUS	12, 0
+#define C0_GUESTCTL0	12, 6
 #define C0_CAUSE	13, 0
 #define C0_EPC		14, 0
 #define C0_EBASE	15, 1
@@ -292,8 +295,8 @@ static void *kvm_mips_build_enter_guest(void *addr)
 	unsigned int i;
 	struct uasm_label labels[2];
 	struct uasm_reloc relocs[2];
-	struct uasm_label *l = labels;
-	struct uasm_reloc *r = relocs;
+	struct uasm_label __maybe_unused *l = labels;
+	struct uasm_reloc __maybe_unused *r = relocs;
 
 	memset(labels, 0, sizeof(labels));
 	memset(relocs, 0, sizeof(relocs));
@@ -302,7 +305,67 @@ static void *kvm_mips_build_enter_guest(void *addr)
 	UASM_i_LW(&p, T0, offsetof(struct kvm_vcpu_arch, pc), K1);
 	UASM_i_MTC0(&p, T0, C0_EPC);
 
-	/* Set the ASID for the Guest Kernel */
+#ifdef CONFIG_KVM_MIPS_VZ
+	/* Save normal linux process pgd (VZ guarantees pgd_reg is set) */
+	UASM_i_MFC0(&p, K0, c0_kscratch(), pgd_reg);
+	UASM_i_SW(&p, K0, offsetof(struct kvm_vcpu_arch, host_pgd), K1);
+
+	/*
+	 * Set up KVM GPA pgd.
+	 * This does roughly the same as TLBMISS_HANDLER_SETUP_PGD():
+	 * - call tlbmiss_handler_setup_pgd(mm->pgd)
+	 * - write mm->pgd into CP0_PWBase
+	 *
+	 * We keep S0 pointing at struct kvm so we can load the ASID below.
+	 */
+	UASM_i_LW(&p, S0, (int)offsetof(struct kvm_vcpu, kvm) -
+			  (int)offsetof(struct kvm_vcpu, arch), K1);
+	UASM_i_LW(&p, A0, offsetof(struct kvm, arch.gpa_mm.pgd), S0);
+	UASM_i_LA(&p, T9, (unsigned long)tlbmiss_handler_setup_pgd);
+	uasm_i_jalr(&p, RA, T9);
+	/* delay slot */
+	if (cpu_has_htw)
+		UASM_i_MTC0(&p, A0, C0_PWBASE);
+	else
+		uasm_i_nop(&p);
+
+	/* Set GM bit to setup eret to VZ guest context */
+	uasm_i_addiu(&p, V1, ZERO, 1);
+	uasm_i_mfc0(&p, K0, C0_GUESTCTL0);
+	uasm_i_ins(&p, K0, V1, MIPS_GCTL0_GM_SHIFT, 1);
+	uasm_i_mtc0(&p, K0, C0_GUESTCTL0);
+
+	if (cpu_has_guestid) {
+		/*
+		 * Set root mode GuestID, so that root TLB refill handler can
+		 * use the correct GuestID in the root TLB.
+		 */
+
+		/* Get current GuestID */
+		uasm_i_mfc0(&p, T0, C0_GUESTCTL1);
+		/* Set GuestCtl1.RID = GuestCtl1.ID */
+		uasm_i_ext(&p, T1, T0, MIPS_GCTL1_ID_SHIFT,
+			   MIPS_GCTL1_ID_WIDTH);
+		uasm_i_ins(&p, T0, T1, MIPS_GCTL1_RID_SHIFT,
+			   MIPS_GCTL1_RID_WIDTH);
+		uasm_i_mtc0(&p, T0, C0_GUESTCTL1);
+
+		/* GuestID handles dealiasing so we don't need to touch ASID */
+		goto skip_asid_restore;
+	}
+
+	/* Root ASID Dealias (RAD) */
+
+	/* Save host ASID */
+	UASM_i_MFC0(&p, K0, C0_ENTRYHI);
+	UASM_i_SW(&p, K0, offsetof(struct kvm_vcpu_arch, host_entryhi),
+		  K1);
+
+	/* Set the root ASID for the Guest */
+	UASM_i_ADDIU(&p, T1, S0,
+		     offsetof(struct kvm, arch.gpa_mm.context.asid));
+#else
+	/* Set the ASID for the Guest Kernel or User */
 	UASM_i_LW(&p, T0, offsetof(struct kvm_vcpu_arch, cop0), K1);
 	UASM_i_LW(&p, T0, offsetof(struct mips_coproc, reg[MIPS_CP0_STATUS][0]),
 		  T0);
@@ -315,6 +378,7 @@ static void *kvm_mips_build_enter_guest(void *addr)
 	UASM_i_ADDIU(&p, T1, K1, offsetof(struct kvm_vcpu_arch,
 					  guest_user_mm.context.asid));
 	uasm_l_kernel_asid(&l, p);
+#endif
 
 	/* t1: contains the base of the ASID array, need to get the cpu id  */
 	/* smp_processor_id */
@@ -339,6 +403,7 @@ static void *kvm_mips_build_enter_guest(void *addr)
 	uasm_i_andi(&p, K0, K0, MIPS_ENTRYHI_ASID);
 #endif
 
+#ifndef CONFIG_KVM_MIPS_VZ
 	/*
 	 * Set up KVM T&E GVA pgd.
 	 * This does roughly the same as TLBMISS_HANDLER_SETUP_PGD():
@@ -351,7 +416,11 @@ static void *kvm_mips_build_enter_guest(void *addr)
 	UASM_i_LA(&p, T9, (unsigned long)tlbmiss_handler_setup_pgd);
 	uasm_i_jalr(&p, RA, T9);
 	 uasm_i_mtc0(&p, K0, C0_ENTRYHI);
-
+#else
+	/* Set up KVM VZ root ASID (!guestid) */
+	uasm_i_mtc0(&p, K0, C0_ENTRYHI);
+skip_asid_restore:
+#endif
 	uasm_i_ehb(&p);
 
 	/* Disable RDHWR access */
@@ -559,13 +628,10 @@ void *kvm_mips_build_exit(void *addr)
 	/* Now that context has been saved, we can use other registers */
 
 	/* Restore vcpu */
-	UASM_i_MFC0(&p, A1, scratch_vcpu[0], scratch_vcpu[1]);
-	uasm_i_move(&p, S1, A1);
+	UASM_i_MFC0(&p, S1, scratch_vcpu[0], scratch_vcpu[1]);
 
 	/* Restore run (vcpu->run) */
-	UASM_i_LW(&p, A0, offsetof(struct kvm_vcpu, run), A1);
-	/* Save pointer to run in s0, will be saved by the compiler */
-	uasm_i_move(&p, S0, A0);
+	UASM_i_LW(&p, S0, offsetof(struct kvm_vcpu, run), S1);
 
 	/*
 	 * Save Host level EPC, BadVaddr and Cause to VCPU, useful to process
@@ -641,6 +707,52 @@ void *kvm_mips_build_exit(void *addr)
 		uasm_l_msa_1(&l, p);
 	}
 
+#ifdef CONFIG_KVM_MIPS_VZ
+	/* Restore host ASID */
+	if (!cpu_has_guestid) {
+		UASM_i_LW(&p, K0, offsetof(struct kvm_vcpu_arch, host_entryhi),
+			  K1);
+		UASM_i_MTC0(&p, K0, C0_ENTRYHI);
+	}
+
+	/*
+	 * Set up normal Linux process pgd.
+	 * This does roughly the same as TLBMISS_HANDLER_SETUP_PGD():
+	 * - call tlbmiss_handler_setup_pgd(mm->pgd)
+	 * - write mm->pgd into CP0_PWBase
+	 */
+	UASM_i_LW(&p, A0,
+		  offsetof(struct kvm_vcpu_arch, host_pgd), K1);
+	UASM_i_LA(&p, T9, (unsigned long)tlbmiss_handler_setup_pgd);
+	uasm_i_jalr(&p, RA, T9);
+	/* delay slot */
+	if (cpu_has_htw)
+		UASM_i_MTC0(&p, A0, C0_PWBASE);
+	else
+		uasm_i_nop(&p);
+
+	/* Clear GM bit so we don't enter guest mode when EXL is cleared */
+	uasm_i_mfc0(&p, K0, C0_GUESTCTL0);
+	uasm_i_ins(&p, K0, ZERO, MIPS_GCTL0_GM_SHIFT, 1);
+	uasm_i_mtc0(&p, K0, C0_GUESTCTL0);
+
+	/* Save GuestCtl0 so we can access GExcCode after CPU migration */
+	uasm_i_sw(&p, K0,
+		  offsetof(struct kvm_vcpu_arch, host_cp0_guestctl0), K1);
+
+	if (cpu_has_guestid) {
+		/*
+		 * Clear root mode GuestID, so that root TLB operations use the
+		 * root GuestID in the root TLB.
+		 */
+		uasm_i_mfc0(&p, T0, C0_GUESTCTL1);
+		/* Set GuestCtl1.RID = MIPS_GCTL1_ROOT_GUESTID (i.e. 0) */
+		uasm_i_ins(&p, T0, ZERO, MIPS_GCTL1_RID_SHIFT,
+			   MIPS_GCTL1_RID_WIDTH);
+		uasm_i_mtc0(&p, T0, C0_GUESTCTL1);
+	}
+#endif
+
 	/* Now that the new EBASE has been loaded, unset BEV and KSU_USER */
 	uasm_i_addiu(&p, AT, ZERO, ~(ST0_EXL | KSU_USER | ST0_IE));
 	uasm_i_and(&p, V0, V0, AT);
@@ -680,6 +792,8 @@ void *kvm_mips_build_exit(void *addr)
 	 * Now jump to the kvm_mips_handle_exit() to see if we can deal
 	 * with this in the kernel
 	 */
+	uasm_i_move(&p, A0, S0);
+	uasm_i_move(&p, A1, S1);
 	UASM_i_LA(&p, T9, (unsigned long)kvm_mips_handle_exit);
 	uasm_i_jalr(&p, RA, T9);
 	 UASM_i_ADDIU(&p, SP, SP, -CALLFRAME_SIZ);
diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c
index ab689df283b3..1fa088854cb6 100644
--- a/arch/mips/kvm/mips.c
+++ b/arch/mips/kvm/mips.c
@@ -324,8 +324,10 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id)
 	/* Build guest exception vectors dynamically in unmapped memory */
 	handler = gebase + 0x2000;
 
-	/* TLB refill */
+	/* TLB refill (or XTLB refill on 64-bit VZ where KX=1) */
 	refill_start = gebase;
+	if (IS_ENABLED(CONFIG_KVM_MIPS_VZ) && IS_ENABLED(CONFIG_64BIT))
+		refill_start += 0x080;
 	refill_end = kvm_mips_build_tlb_refill_exception(refill_start, handler);
 
 	/* General Exception Entry point */