diff --git a/kernel/configs/fragments/x86_64/fs.conf b/kernel/configs/fragments/x86_64/fs.conf
index 5fa9378ab8..af19130957 100644
--- a/kernel/configs/fragments/x86_64/fs.conf
+++ b/kernel/configs/fragments/x86_64/fs.conf
@@ -2,3 +2,7 @@
 
 # Yes, we do support unaligned word accesses
 CONFIG_DCACHE_WORD_ACCESS=y
+
+# Support virtiofs
+CONFIG_VIRTIO_FS=y
+CONFIG_FUSE_FS=y
diff --git a/kernel/configs/fragments/x86_64/mmio.conf b/kernel/configs/fragments/x86_64/mmio.conf
new file mode 100644
index 0000000000..be45a7a691
--- /dev/null
+++ b/kernel/configs/fragments/x86_64/mmio.conf
@@ -0,0 +1,5 @@
+# x86 specific mmio related items
+
+# Next config are required for firecracker
+CONFIG_VIRTIO_MMIO=y
+CONFIG_VIRTIO_MMIO_CMDLINE_DEVICES=y
diff --git a/kernel/kata_config_version b/kernel/kata_config_version
index 9e5feb5256..abac1ea7b7 100644
--- a/kernel/kata_config_version
+++ b/kernel/kata_config_version
@@ -1 +1 @@
-46
+47