diff --git a/conf/linux_defconfig b/conf/linux_defconfig
index 1e97dc3..358a2d8 100644
--- a/conf/linux_defconfig
+++ b/conf/linux_defconfig
@@ -1,3 +1,4 @@
+CONFIG_SMP=y
 # CONFIG_COMPACTION is not set
 CONFIG_HZ_100=y
 CONFIG_CROSS_COMPILE="riscv64-unknown-linux-gnu-"