diff --git a/target/linux/rockchip/armv8/config-6.6 b/target/linux/rockchip/armv8/config-6.6
index 3506a39100..bf244b9704 100644
--- a/target/linux/rockchip/armv8/config-6.6
+++ b/target/linux/rockchip/armv8/config-6.6
@@ -1,5 +1,6 @@
 CONFIG_64BIT=y
 CONFIG_ARCH_BINFMT_ELF_EXTRA_PHDRS=y
+# CONFIG_ARM_CORESIGHT_PMU_ARCH_SYSTEM_PMU is not set
 CONFIG_ARCH_CORRECT_STACKTRACE_ON_KRETPROBE=y
 CONFIG_ARCH_DEFAULT_KEXEC_IMAGE_VERIFY_SIG=y
 CONFIG_ARCH_DMA_ADDR_T_64BIT=y