8 files changed, 34 insertions, 23 deletions
diff --git a/arch/powerpc/include/asm/Kbuild b/arch/powerpc/include/asm/Kbuild
index 9a1d2fc6ceb7..64870c7be4a3 100644
--- a/arch/powerpc/include/asm/Kbuild
+++ b/arch/powerpc/include/asm/Kbuild
@@ -11,4 +11,3 @@ generic-y += mcs_spinlock.h
 generic-y += preempt.h
 generic-y += vtime.h
 generic-y += msi.h
-generic-y += simd.h
diff --git a/arch/powerpc/include/asm/cache.h b/arch/powerpc/include/asm/cache.h
index b3388d95f451..45e3137ccd71 100644
--- a/arch/powerpc/include/asm/cache.h
+++ b/arch/powerpc/include/asm/cache.h
@@ -107,22 +107,22 @@ extern void _set_L3CR(unsigned long);
 
 static inline void dcbz(void *addr)
 {
-	__asm__ __volatile__ ("dcbz %y0" : : "Z"(*(u8 *)addr) : "memory");
+	__asm__ __volatile__ ("dcbz 0, %0" : : "r"(addr) : "memory");
 }
 
 static inline void dcbi(void *addr)
 {
-	__asm__ __volatile__ ("dcbi %y0" : : "Z"(*(u8 *)addr) : "memory");
+	__asm__ __volatile__ ("dcbi 0, %0" : : "r"(addr) : "memory");
 }
 
 static inline void dcbf(void *addr)
 {
-	__asm__ __volatile__ ("dcbf %y0" : : "Z"(*(u8 *)addr) : "memory");
+	__asm__ __volatile__ ("dcbf 0, %0" : : "r"(addr) : "memory");
 }
 
 static inline void dcbst(void *addr)
 {
-	__asm__ __volatile__ ("dcbst %y0" : : "Z"(*(u8 *)addr) : "memory");
+	__asm__ __volatile__ ("dcbst 0, %0" : : "r"(addr) : "memory");
 }
 #endif /* !__ASSEMBLY__ */
 #endif /* __KERNEL__ */
diff --git a/arch/powerpc/include/asm/error-injection.h b/arch/powerpc/include/asm/error-injection.h
deleted file mode 100644
index 62fd24739852..000000000000
--- a/arch/powerpc/include/asm/error-injection.h
+++ /dev/null
@@ -1,13 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0+ */
-
-#ifndef _ASM_ERROR_INJECTION_H
-#define _ASM_ERROR_INJECTION_H
-
-#include <linux/compiler.h>
-#include <linux/linkage.h>
-#include <asm/ptrace.h>
-#include <asm-generic/error-injection.h>
-
-void override_function_with_return(struct pt_regs *regs);
-
-#endif /* _ASM_ERROR_INJECTION_H */
diff --git a/arch/powerpc/include/asm/kvm_book3s_64.h b/arch/powerpc/include/asm/kvm_book3s_64.h
index bb7c8cc77f1a..04b2b927bb5a 100644
--- a/arch/powerpc/include/asm/kvm_book3s_64.h
+++ b/arch/powerpc/include/asm/kvm_book3s_64.h
@@ -535,7 +535,7 @@ static inline void note_hpte_modification(struct kvm *kvm,
  */
 static inline struct kvm_memslots *kvm_memslots_raw(struct kvm *kvm)
 {
-	return rcu_dereference_raw_notrace(kvm->memslots[0]);
+	return rcu_dereference_raw_check(kvm->memslots[0]);
 }
 
 extern void kvmppc_mmu_debugfs_init(struct kvm *kvm);
diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index e6e5f59aaa97..6fb5fb4779e0 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -232,11 +232,25 @@ struct revmap_entry {
 };
 
 /*
- * We use the top bit of each memslot->arch.rmap entry as a lock bit,
- * and bit 32 as a present flag.  The bottom 32 bits are the
- * index in the guest HPT of a HPTE that points to the page.
+ * The rmap array of size number of guest pages is allocated for each memslot.
+ * This array is used to store usage specific information about the guest page.
+ * Below are the encodings of the various possible usage types.
  */
-#define KVMPPC_RMAP_LOCK_BIT	63
+/* Free bits which can be used to define a new usage */
+#define KVMPPC_RMAP_TYPE_MASK	0xff00000000000000
+#define KVMPPC_RMAP_NESTED	0xc000000000000000	/* Nested rmap array */
+#define KVMPPC_RMAP_HPT		0x0100000000000000	/* HPT guest */
+
+/*
+ * rmap usage definition for a hash page table (hpt) guest:
+ * 0x0000080000000000	Lock bit
+ * 0x0000018000000000	RC bits
+ * 0x0000000100000000	Present bit
+ * 0x00000000ffffffff	HPT index bits
+ * The bottom 32 bits are the index in the guest HPT of a HPTE that points to
+ * the page.
+ */
+#define KVMPPC_RMAP_LOCK_BIT	43
 #define KVMPPC_RMAP_RC_SHIFT	32
 #define KVMPPC_RMAP_REFERENCED	(HPTE_R_R << KVMPPC_RMAP_RC_SHIFT)
 #define KVMPPC_RMAP_PRESENT	0x100000000ul
diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h
index 2484e6a8f5ca..8e8514efb124 100644
--- a/arch/powerpc/include/asm/kvm_ppc.h
+++ b/arch/powerpc/include/asm/kvm_ppc.h
@@ -598,6 +598,7 @@ extern int kvmppc_xive_native_get_vp(struct kvm_vcpu *vcpu,
 				     union kvmppc_one_reg *val);
 extern int kvmppc_xive_native_set_vp(struct kvm_vcpu *vcpu,
 				     union kvmppc_one_reg *val);
+extern bool kvmppc_xive_native_supported(void);
 
 #else
 static inline int kvmppc_xive_set_xive(struct kvm *kvm, u32 irq, u32 server,
diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h
index 68473c3c471c..b0720c7c3fcf 100644
--- a/arch/powerpc/include/asm/unistd.h
+++ b/arch/powerpc/include/asm/unistd.h
@@ -49,6 +49,7 @@
 #define __ARCH_WANT_SYS_FORK
 #define __ARCH_WANT_SYS_VFORK
 #define __ARCH_WANT_SYS_CLONE
+#define __ARCH_WANT_SYS_CLONE3
 
 #endif		/* __ASSEMBLY__ */
 #endif /* _ASM_POWERPC_UNISTD_H_ */
diff --git a/arch/powerpc/include/asm/xive.h b/arch/powerpc/include/asm/xive.h
index e4016985764e..818989e11678 100644
--- a/arch/powerpc/include/asm/xive.h
+++ b/arch/powerpc/include/asm/xive.h
@@ -46,7 +46,15 @@ struct xive_irq_data {
 
 	/* Setup/used by frontend */
 	int target;
+	/*
+	 * saved_p means that there is a queue entry for this interrupt
+	 * in some CPU's queue (not including guest vcpu queues), even
+	 * if P is not set in the source ESB.
+	 * stale_p means that there is no queue entry for this interrupt
+	 * in some CPU's queue, even if P is set in the source ESB.
+	 */
 	bool saved_p;
+	bool stale_p;
 };
 #define XIVE_IRQ_FLAG_STORE_EOI	0x01
 #define XIVE_IRQ_FLAG_LSI	0x02
@@ -127,6 +135,7 @@ extern int xive_native_get_queue_state(u32 vp_id, uint32_t prio, u32 *qtoggle,
 extern int xive_native_set_queue_state(u32 vp_id, uint32_t prio, u32 qtoggle,
 				       u32 qindex);
 extern int xive_native_get_vp_state(u32 vp_id, u64 *out_state);
+extern bool xive_native_has_queue_state_support(void);
 
 #else