diff --git a/arch/powerpc/include/asm/synch.h b/arch/powerpc/include/asm/synch.h
index aca70fb43147..1d67bc8d7bc6 100644
--- a/arch/powerpc/include/asm/synch.h
+++ b/arch/powerpc/include/asm/synch.h
@@ -3,8 +3,9 @@
 #define _ASM_POWERPC_SYNCH_H 
 #ifdef __KERNEL__
 
+#include <asm/cputable.h>
 #include <asm/feature-fixups.h>
-#include <asm/asm-const.h>
+#include <asm/ppc-opcode.h>
 
 #ifndef __ASSEMBLY__
 extern unsigned int __start___lwsync_fixup, __stop___lwsync_fixup;
@@ -20,6 +21,22 @@ static inline void isync(void)
 {
 	__asm__ __volatile__ ("isync" : : : "memory");
 }
+
+static inline void ppc_after_tlbiel_barrier(void)
+{
+	asm volatile("ptesync": : :"memory");
+	/*
+	 * POWER9, POWER10 need a cp_abort after tlbiel to ensure the copy is
+	 * invalidated correctly. If this is not done, the paste can take data
+	 * from the physical address that was translated at copy time.
+	 *
+	 * POWER9 in practice does not need this, because address spaces with
+	 * accelerators mapped will use tlbie (which does invalidate the copy)
+	 * to invalidate translations. It's not possible to limit POWER10 this
+	 * way due to local copy-paste.
+	 */
+	asm volatile(ASM_FTR_IFSET(PPC_CP_ABORT, "", %0) : : "i" (CPU_FTR_ARCH_31) : "memory");
+}
 #endif /* __ASSEMBLY__ */
 
 #if defined(__powerpc64__)
diff --git a/arch/powerpc/mm/book3s64/hash_native.c b/arch/powerpc/mm/book3s64/hash_native.c
index cf20e5229ce1..0203cdf48c54 100644
--- a/arch/powerpc/mm/book3s64/hash_native.c
+++ b/arch/powerpc/mm/book3s64/hash_native.c
@@ -82,7 +82,7 @@ static void tlbiel_all_isa206(unsigned int num_sets, unsigned int is)
 	for (set = 0; set < num_sets; set++)
 		tlbiel_hash_set_isa206(set, is);
 
-	asm volatile("ptesync": : :"memory");
+	ppc_after_tlbiel_barrier();
 }
 
 static void tlbiel_all_isa300(unsigned int num_sets, unsigned int is)
@@ -110,7 +110,7 @@ static void tlbiel_all_isa300(unsigned int num_sets, unsigned int is)
 	 */
 	tlbiel_hash_set_isa300(0, is, 0, 2, 1);
 
-	asm volatile("ptesync": : :"memory");
+	ppc_after_tlbiel_barrier();
 
 	asm volatile(PPC_ISA_3_0_INVALIDATE_ERAT "; isync" : : :"memory");
 }
@@ -303,7 +303,7 @@ static inline void tlbie(unsigned long vpn, int psize, int apsize,
 	asm volatile("ptesync": : :"memory");
 	if (use_local) {
 		__tlbiel(vpn, psize, apsize, ssize);
-		asm volatile("ptesync": : :"memory");
+		ppc_after_tlbiel_barrier();
 	} else {
 		__tlbie(vpn, psize, apsize, ssize);
 		fixup_tlbie_vpn(vpn, psize, apsize, ssize);
@@ -879,7 +879,7 @@ static void native_flush_hash_range(unsigned long number, int local)
 				__tlbiel(vpn, psize, psize, ssize);
 			} pte_iterate_hashed_end();
 		}
-		asm volatile("ptesync":::"memory");
+		ppc_after_tlbiel_barrier();
 	} else {
 		int lock_tlbie = !mmu_has_feature(MMU_FTR_LOCKLESS_TLBIE);
 
diff --git a/arch/powerpc/mm/book3s64/radix_tlb.c b/arch/powerpc/mm/book3s64/radix_tlb.c
index 143b4fd396f0..b487b489d4b6 100644
--- a/arch/powerpc/mm/book3s64/radix_tlb.c
+++ b/arch/powerpc/mm/book3s64/radix_tlb.c
@@ -65,7 +65,7 @@ static void tlbiel_all_isa300(unsigned int num_sets, unsigned int is)
 	for (set = 1; set < num_sets; set++)
 		tlbiel_radix_set_isa300(set, is, 0, RIC_FLUSH_TLB, 1);
 
-	asm volatile("ptesync": : :"memory");
+	ppc_after_tlbiel_barrier();
 }
 
 void radix__tlbiel_all(unsigned int action)
@@ -296,7 +296,7 @@ static __always_inline void _tlbiel_pid(unsigned long pid, unsigned long ric)
 
 	/* For PWC, only one flush is needed */
 	if (ric == RIC_FLUSH_PWC) {
-		asm volatile("ptesync": : :"memory");
+		ppc_after_tlbiel_barrier();
 		return;
 	}
 
@@ -304,7 +304,7 @@ static __always_inline void _tlbiel_pid(unsigned long pid, unsigned long ric)
 	for (set = 1; set < POWER9_TLB_SETS_RADIX ; set++)
 		__tlbiel_pid(pid, set, RIC_FLUSH_TLB);
 
-	asm volatile("ptesync": : :"memory");
+	ppc_after_tlbiel_barrier();
 	asm volatile(PPC_RADIX_INVALIDATE_ERAT_USER "; isync" : : :"memory");
 }
 
@@ -431,7 +431,7 @@ static __always_inline void _tlbiel_va(unsigned long va, unsigned long pid,
 
 	asm volatile("ptesync": : :"memory");
 	__tlbiel_va(va, pid, ap, ric);
-	asm volatile("ptesync": : :"memory");
+	ppc_after_tlbiel_barrier();
 }
 
 static inline void _tlbiel_va_range(unsigned long start, unsigned long end,
@@ -442,7 +442,7 @@ static inline void _tlbiel_va_range(unsigned long start, unsigned long end,
 	if (also_pwc)
 		__tlbiel_pid(pid, 0, RIC_FLUSH_PWC);
 	__tlbiel_va_range(start, end, pid, page_size, psize);
-	asm volatile("ptesync": : :"memory");
+	ppc_after_tlbiel_barrier();
 }
 
 static inline void __tlbie_va_range(unsigned long start, unsigned long end,
@@ -949,7 +949,7 @@ static inline void __radix__flush_tlb_range(struct mm_struct *mm,
 			if (hflush)
 				__tlbiel_va_range(hstart, hend, pid,
 						PMD_SIZE, MMU_PAGE_2M);
-			asm volatile("ptesync": : :"memory");
+			ppc_after_tlbiel_barrier();
 		} else if (cputlb_use_tlbie()) {
 			asm volatile("ptesync": : :"memory");
 			__tlbie_va_range(start, end, pid, page_size, mmu_virtual_psize);