diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 3f0b6adecf75..2ec907a6f9af 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -1760,6 +1760,16 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
 		childregs->ppr = DEFAULT_PPR;
 
 	p->thread.tidr = 0;
+#endif
+	/*
+	 * Run with the current AMR value of the kernel
+	 */
+#ifdef CONFIG_PPC_PKEY
+	if (mmu_has_feature(MMU_FTR_BOOK3S_KUAP))
+		kregs->amr = AMR_KUAP_BLOCKED;
+
+	if (mmu_has_feature(MMU_FTR_BOOK3S_KUEP))
+		kregs->iamr = AMR_KUEP_BLOCKED;
 #endif
 	kregs->nip = ppc_function_entry(f);
 	return 0;