Automatic merge of 'topic/ppc-kvm-test' into merge-test (2024-11-08 1…

…2:00)
linuxppc · Nov 8, 2024 · deebec6 · deebec6
2 parents e9dc703 + 96e266e
commit deebec6
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Showing 6 changed files with 18 additions and 15 deletions.
diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h
@@ -193,6 +193,7 @@ static inline void cpu_feature_keys_init(void) { }
 #define CPU_FTR_ARCH_31			LONG_ASM_CONST(0x0004000000000000)
 #define CPU_FTR_DAWR1			LONG_ASM_CONST(0x0008000000000000)
 #define CPU_FTR_DEXCR_NPHIE		LONG_ASM_CONST(0x0010000000000000)
+#define CPU_FTR_P11_PVR			LONG_ASM_CONST(0x0020000000000000)
 
 #ifndef __ASSEMBLY__
 
@@ -454,7 +455,7 @@ static inline void cpu_feature_keys_init(void) { }
 	    CPU_FTR_DAWR | CPU_FTR_DAWR1 | \
 	    CPU_FTR_DEXCR_NPHIE)
 
-#define CPU_FTRS_POWER11	CPU_FTRS_POWER10
+#define CPU_FTRS_POWER11	(CPU_FTRS_POWER10 | CPU_FTR_P11_PVR)
 
 #define CPU_FTRS_CELL	(CPU_FTR_LWSYNC | \
 	    CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
@@ -475,15 +476,15 @@ static inline void cpu_feature_keys_init(void) { }
 	    (CPU_FTRS_POWER7 | CPU_FTRS_POWER8E | CPU_FTRS_POWER8 | \
 	     CPU_FTR_ALTIVEC_COMP | CPU_FTR_VSX_COMP | CPU_FTRS_POWER9 | \
 	     CPU_FTRS_POWER9_DD2_1 | CPU_FTRS_POWER9_DD2_2 | \
-	     CPU_FTRS_POWER9_DD2_3 | CPU_FTRS_POWER10)
+	     CPU_FTRS_POWER9_DD2_3 | CPU_FTRS_POWER10 | CPU_FTRS_POWER11)
 #else
 #define CPU_FTRS_POSSIBLE	\
 	    (CPU_FTRS_PPC970 | CPU_FTRS_POWER5 | \
 	     CPU_FTRS_POWER6 | CPU_FTRS_POWER7 | CPU_FTRS_POWER8E | \
 	     CPU_FTRS_POWER8 | CPU_FTRS_CELL | CPU_FTRS_PA6T | \
 	     CPU_FTR_VSX_COMP | CPU_FTR_ALTIVEC_COMP | CPU_FTRS_POWER9 | \
 	     CPU_FTRS_POWER9_DD2_1 | CPU_FTRS_POWER9_DD2_2 | \
-	     CPU_FTRS_POWER9_DD2_3 | CPU_FTRS_POWER10)
+	     CPU_FTRS_POWER9_DD2_3 | CPU_FTRS_POWER10 | CPU_FTRS_POWER11)
 #endif /* CONFIG_CPU_LITTLE_ENDIAN */
 #endif
 #else
@@ -547,15 +548,15 @@ enum {
 	    (CPU_FTRS_POSSIBLE & ~CPU_FTR_HVMODE & ~CPU_FTR_DBELL & \
 	     CPU_FTRS_POWER7 & CPU_FTRS_POWER8E & CPU_FTRS_POWER8 & \
 	     CPU_FTRS_POWER9 & CPU_FTRS_POWER9_DD2_1 & CPU_FTRS_POWER9_DD2_2 & \
-	     CPU_FTRS_POWER10 & CPU_FTRS_DT_CPU_BASE)
+	     CPU_FTRS_POWER10 & CPU_FTRS_POWER11 & CPU_FTRS_DT_CPU_BASE)
 #else
 #define CPU_FTRS_ALWAYS		\
 	    (CPU_FTRS_PPC970 & CPU_FTRS_POWER5 & \
 	     CPU_FTRS_POWER6 & CPU_FTRS_POWER7 & CPU_FTRS_CELL & \
 	     CPU_FTRS_PA6T & CPU_FTRS_POWER8 & CPU_FTRS_POWER8E & \
 	     ~CPU_FTR_HVMODE & ~CPU_FTR_DBELL & CPU_FTRS_POSSIBLE & \
 	     CPU_FTRS_POWER9 & CPU_FTRS_POWER9_DD2_1 & CPU_FTRS_POWER9_DD2_2 & \
-	     CPU_FTRS_POWER10 & CPU_FTRS_DT_CPU_BASE)
+	     CPU_FTRS_POWER10 & CPU_FTRS_POWER11 & CPU_FTRS_DT_CPU_BASE)
 #endif /* CONFIG_CPU_LITTLE_ENDIAN */
 #endif
 #else

diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h
@@ -495,6 +495,7 @@
 #define H_GUEST_CAP_COPY_MEM	(1UL<<(63-0))
 #define H_GUEST_CAP_POWER9	(1UL<<(63-1))
 #define H_GUEST_CAP_POWER10	(1UL<<(63-2))
+#define H_GUEST_CAP_POWER11	(1UL<<(63-3))
 #define H_GUEST_CAP_BITMAP2	(1UL<<(63-63))
 
 #ifndef __ASSEMBLY__

diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
@@ -400,7 +400,10 @@ static inline unsigned long map_pcr_to_cap(unsigned long pcr)
 		cap = H_GUEST_CAP_POWER9;
 		break;
 	case PCR_ARCH_31:
-		cap = H_GUEST_CAP_POWER10;
+		if (cpu_has_feature(CPU_FTR_P11_PVR))
+			cap = H_GUEST_CAP_POWER11;
+		else
+			cap = H_GUEST_CAP_POWER10;
 		break;
 	default:
 		break;
@@ -415,7 +418,7 @@ static int kvmppc_set_arch_compat(struct kvm_vcpu *vcpu, u32 arch_compat)
 	struct kvmppc_vcore *vc = vcpu->arch.vcore;
 
 	/* We can (emulate) our own architecture version and anything older */
-	if (cpu_has_feature(CPU_FTR_ARCH_31))
+	if (cpu_has_feature(CPU_FTR_P11_PVR) || cpu_has_feature(CPU_FTR_ARCH_31))
 		host_pcr_bit = PCR_ARCH_31;
 	else if (cpu_has_feature(CPU_FTR_ARCH_300))
 		host_pcr_bit = PCR_ARCH_300;

diff --git a/arch/powerpc/kvm/book3s_hv_nested.c b/arch/powerpc/kvm/book3s_hv_nested.c
@@ -445,6 +445,8 @@ long kvmhv_nested_init(void)
 	if (rc == H_SUCCESS) {
 		unsigned long capabilities = 0;
 
+		if (cpu_has_feature(CPU_FTR_P11_PVR))
+			capabilities |= H_GUEST_CAP_POWER11;
 		if (cpu_has_feature(CPU_FTR_ARCH_31))
 			capabilities |= H_GUEST_CAP_POWER10;
 		if (cpu_has_feature(CPU_FTR_ARCH_300))

diff --git a/arch/powerpc/kvm/book3s_hv_nestedv2.c b/arch/powerpc/kvm/book3s_hv_nestedv2.c
@@ -370,7 +370,9 @@ static int gs_msg_ops_vcpu_fill_info(struct kvmppc_gs_buff *gsb,
 			 * default to L1's PVR.
 			 */
 			if (!vcpu->arch.vcore->arch_compat) {
-				if (cpu_has_feature(CPU_FTR_ARCH_31))
+				if (cpu_has_feature(CPU_FTR_P11_PVR))
+					arch_compat = PVR_ARCH_31_P11;
+				else if (cpu_has_feature(CPU_FTR_ARCH_31))
 					arch_compat = PVR_ARCH_31;
 				else if (cpu_has_feature(CPU_FTR_ARCH_300))
 					arch_compat = PVR_ARCH_300;

diff --git a/arch/powerpc/kvm/book3s_mmu_hpte.c b/arch/powerpc/kvm/book3s_mmu_hpte.c
@@ -92,12 +92,6 @@ void kvmppc_mmu_hpte_cache_map(struct kvm_vcpu *vcpu, struct hpte_cache *pte)
 	spin_unlock(&vcpu3s->mmu_lock);
 }
 
-static void free_pte_rcu(struct rcu_head *head)
-{
-	struct hpte_cache *pte = container_of(head, struct hpte_cache, rcu_head);
-	kmem_cache_free(hpte_cache, pte);
-}
-
 static void invalidate_pte(struct kvm_vcpu *vcpu, struct hpte_cache *pte)
 {
 	struct kvmppc_vcpu_book3s *vcpu3s = to_book3s(vcpu);
@@ -126,7 +120,7 @@ static void invalidate_pte(struct kvm_vcpu *vcpu, struct hpte_cache *pte)
 
 	spin_unlock(&vcpu3s->mmu_lock);
 
-	call_rcu(&pte->rcu_head, free_pte_rcu);
+	kfree_rcu(pte, rcu_head);
 }
 
 static void kvmppc_mmu_pte_flush_all(struct kvm_vcpu *vcpu)