diff --git a/arch/arm64/kernel/cpu.c b/arch/arm64/kernel/cpu.c
index 6730b9f4..747cb03d 100644
--- a/arch/arm64/kernel/cpu.c
+++ b/arch/arm64/kernel/cpu.c
@@ -1682,6 +1682,7 @@ static inline int arch_cpu_mrs(uint32_t sys_reg, uint64_t *val)
 		SYSREG_READ_S(IMP_PF_INJECTION_DISTANCE5_EL0);
 		SYSREG_READ_S(IMP_PF_INJECTION_DISTANCE6_EL0);
 		SYSREG_READ_S(IMP_PF_INJECTION_DISTANCE7_EL0);
+		SYSREG_READ_S(IMP_PF_PMUSERENR_EL0);
 		SYSREG_READ_S(IMP_BARRIER_CTRL_EL1);
 		SYSREG_READ_S(IMP_BARRIER_BST_BIT_EL1);
 		SYSREG_READ_S(IMP_BARRIER_INIT_SYNC_BB0_EL1);
@@ -1752,6 +1753,7 @@ static inline int arch_cpu_msr(uint32_t sys_reg, uint64_t val)
 	SYSREG_WRITE_S(IMP_PF_INJECTION_DISTANCE5_EL0);
 	SYSREG_WRITE_S(IMP_PF_INJECTION_DISTANCE6_EL0);
 	SYSREG_WRITE_S(IMP_PF_INJECTION_DISTANCE7_EL0);
+	SYSREG_WRITE_S(IMP_PF_PMUSERENR_EL0);
 	SYSREG_WRITE_S(IMP_BARRIER_CTRL_EL1);
 	SYSREG_WRITE_S(IMP_BARRIER_BST_BIT_EL1);
 	SYSREG_WRITE_S(IMP_BARRIER_INIT_SYNC_BB0_EL1);
diff --git a/arch/arm64/kernel/include/imp-sysreg.h b/arch/arm64/kernel/include/imp-sysreg.h
index 4bacdaa8..28b80fb8 100644
--- a/arch/arm64/kernel/include/imp-sysreg.h
+++ b/arch/arm64/kernel/include/imp-sysreg.h
@@ -29,6 +29,7 @@
 #define IMP_PF_INJECTION_DISTANCE5_EL0		sys_reg(3, 3, 11, 7, 5)
 #define IMP_PF_INJECTION_DISTANCE6_EL0		sys_reg(3, 3, 11, 7, 6)
 #define IMP_PF_INJECTION_DISTANCE7_EL0		sys_reg(3, 3, 11, 7, 7)
+#define IMP_PF_PMUSERENR_EL0			sys_reg(3, 3, 9, 14, 0)
 #define IMP_BARRIER_CTRL_EL1			sys_reg(3, 0, 11, 12, 0)
 #define IMP_BARRIER_BST_BIT_EL1			sys_reg(3, 0, 11, 12, 4)
 #define IMP_BARRIER_INIT_SYNC_BB0_EL1		sys_reg(3, 0, 15, 13, 0)