diff --git a/arch/arm64/configs/lakitu_defconfig b/arch/arm64/configs/lakitu_defconfig
index 538f879d..ceceaf3 100644
--- a/arch/arm64/configs/lakitu_defconfig
+++ b/arch/arm64/configs/lakitu_defconfig
@@ -1,6 +1,6 @@
 #
 # Automatically generated file; DO NOT EDIT.
-# Linux/arm64 5.15.34 Kernel Configuration
+# Linux/arm64 5.15.38 Kernel Configuration
 #
 CONFIG_CC_VERSION_TEXT="Chromium OS 14.0_pre437112_p20211208-r9 clang version 14.0.0 (/var/tmp/portage/sys-devel/llvm-14.0_pre437112_p20211208-r9/work/llvm-14.0_pre437112_p20211208/clang 79d58b4d3017d159bf09a77398c9a116128de193)"
 CONFIG_GCC_VERSION=0
@@ -721,7 +721,6 @@
 CONFIG_ARCH_HAS_RELR=y
 CONFIG_RELR=y
 CONFIG_ARCH_WANT_LD_ORPHAN_WARN=y
-CONFIG_HAVE_ARCH_PFN_VALID=y
 CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y
 
 #
@@ -1649,6 +1648,8 @@
 CONFIG_GENERIC_CPU_AUTOPROBE=y
 CONFIG_GENERIC_CPU_VULNERABILITIES=y
 CONFIG_SOC_BUS=y
+CONFIG_DMA_SHARED_BUFFER=y
+# CONFIG_DMA_FENCE_TRACE is not set
 CONFIG_GENERIC_ARCH_TOPOLOGY=y
 CONFIG_GENERIC_ARCH_NUMA=y
 # end of Generic Driver Options
@@ -2111,7 +2112,6 @@
 # CONFIG_NET_VENDOR_ARC is not set
 # CONFIG_NET_VENDOR_ATHEROS is not set
 # CONFIG_NET_VENDOR_BROADCOM is not set
-# CONFIG_NET_VENDOR_BROCADE is not set
 # CONFIG_NET_VENDOR_CADENCE is not set
 # CONFIG_NET_VENDOR_CAVIUM is not set
 # CONFIG_NET_VENDOR_CHELSIO is not set
@@ -2147,7 +2147,6 @@
 # CONFIG_ICE is not set
 # CONFIG_FM10K is not set
 # CONFIG_IGC is not set
-CONFIG_NET_VENDOR_MICROSOFT=y
 # CONFIG_JME is not set
 CONFIG_NET_VENDOR_LITEX=y
 # CONFIG_LITEX_LITEETH is not set
@@ -2178,12 +2177,13 @@
 CONFIG_NET_VENDOR_MICROCHIP=y
 # CONFIG_LAN743X is not set
 # CONFIG_NET_VENDOR_MICROSEMI is not set
+CONFIG_NET_VENDOR_MICROSOFT=y
 # CONFIG_NET_VENDOR_MYRI is not set
 # CONFIG_FEALNX is not set
+# CONFIG_NET_VENDOR_NI is not set
 # CONFIG_NET_VENDOR_NATSEMI is not set
 # CONFIG_NET_VENDOR_NETERION is not set
 # CONFIG_NET_VENDOR_NETRONOME is not set
-# CONFIG_NET_VENDOR_NI is not set
 # CONFIG_NET_VENDOR_NVIDIA is not set
 # CONFIG_NET_VENDOR_OKI is not set
 # CONFIG_ETHOC is not set
@@ -2191,6 +2191,7 @@
 CONFIG_NET_VENDOR_PENSANDO=y
 # CONFIG_IONIC is not set
 # CONFIG_NET_VENDOR_QLOGIC is not set
+# CONFIG_NET_VENDOR_BROCADE is not set
 # CONFIG_NET_VENDOR_QUALCOMM is not set
 # CONFIG_NET_VENDOR_RDC is not set
 # CONFIG_NET_VENDOR_REALTEK is not set
@@ -2198,9 +2199,9 @@
 # CONFIG_NET_VENDOR_ROCKER is not set
 # CONFIG_NET_VENDOR_SAMSUNG is not set
 # CONFIG_NET_VENDOR_SEEQ is not set
-# CONFIG_NET_VENDOR_SOLARFLARE is not set
 # CONFIG_NET_VENDOR_SILAN is not set
 # CONFIG_NET_VENDOR_SIS is not set
+# CONFIG_NET_VENDOR_SOLARFLARE is not set
 # CONFIG_NET_VENDOR_SMSC is not set
 # CONFIG_NET_VENDOR_SOCIONEXT is not set
 # CONFIG_NET_VENDOR_STMICRO is not set
@@ -2739,7 +2740,12 @@
 # DMABUF options
 #
 # CONFIG_SYNC_FILE is not set
+# CONFIG_UDMABUF is not set
+# CONFIG_DMABUF_MOVE_NOTIFY is not set
+# CONFIG_DMABUF_DEBUG is not set
+# CONFIG_DMABUF_SELFTESTS is not set
 # CONFIG_DMABUF_HEAPS is not set
+# CONFIG_DMABUF_SYSFS_STATS is not set
 # end of DMABUF options
 
 # CONFIG_AUXDISPLAY is not set
diff --git a/arch/x86/configs/lakitu_defconfig b/arch/x86/configs/lakitu_defconfig
index 0854908..9ec0cb7 100644
--- a/arch/x86/configs/lakitu_defconfig
+++ b/arch/x86/configs/lakitu_defconfig
@@ -1,6 +1,6 @@
 #
 # Automatically generated file; DO NOT EDIT.
-# Linux/x86_64 5.15.35 Kernel Configuration
+# Linux/x86_64 5.15.38 Kernel Configuration
 #
 CONFIG_CC_VERSION_TEXT="Chromium OS 14.0_pre437112_p20211208-r9 clang version 14.0.0 (/var/tmp/portage/sys-devel/llvm-14.0_pre437112_p20211208-r9/work/llvm-14.0_pre437112_p20211208/clang 79d58b4d3017d159bf09a77398c9a116128de193)"
 CONFIG_GCC_VERSION=0
@@ -1648,6 +1648,8 @@
 CONFIG_SYS_HYPERVISOR=y
 CONFIG_GENERIC_CPU_AUTOPROBE=y
 CONFIG_GENERIC_CPU_VULNERABILITIES=y
+CONFIG_DMA_SHARED_BUFFER=y
+# CONFIG_DMA_FENCE_TRACE is not set
 # end of Generic Driver Options
 
 #
@@ -2100,14 +2102,13 @@
 # CONFIG_NET_VENDOR_AQUANTIA is not set
 # CONFIG_NET_VENDOR_ARC is not set
 # CONFIG_NET_VENDOR_ATHEROS is not set
+# CONFIG_CX_ECAT is not set
 # CONFIG_NET_VENDOR_BROADCOM is not set
-# CONFIG_NET_VENDOR_BROCADE is not set
 # CONFIG_NET_VENDOR_CADENCE is not set
 # CONFIG_NET_VENDOR_CAVIUM is not set
 # CONFIG_NET_VENDOR_CHELSIO is not set
 # CONFIG_NET_VENDOR_CISCO is not set
 # CONFIG_NET_VENDOR_CORTINA is not set
-# CONFIG_CX_ECAT is not set
 # CONFIG_DNET is not set
 # CONFIG_NET_VENDOR_DEC is not set
 # CONFIG_NET_VENDOR_DLINK is not set
@@ -2131,8 +2132,6 @@
 # CONFIG_ICE is not set
 # CONFIG_FM10K is not set
 # CONFIG_IGC is not set
-CONFIG_NET_VENDOR_MICROSOFT=y
-# CONFIG_MICROSOFT_MANA is not set
 # CONFIG_JME is not set
 CONFIG_NET_VENDOR_LITEX=y
 # CONFIG_NET_VENDOR_MARVELL is not set
@@ -2161,12 +2160,14 @@
 CONFIG_NET_VENDOR_MICROCHIP=y
 # CONFIG_LAN743X is not set
 # CONFIG_NET_VENDOR_MICROSEMI is not set
+CONFIG_NET_VENDOR_MICROSOFT=y
+# CONFIG_MICROSOFT_MANA is not set
 # CONFIG_NET_VENDOR_MYRI is not set
 # CONFIG_FEALNX is not set
+# CONFIG_NET_VENDOR_NI is not set
 # CONFIG_NET_VENDOR_NATSEMI is not set
 # CONFIG_NET_VENDOR_NETERION is not set
 # CONFIG_NET_VENDOR_NETRONOME is not set
-# CONFIG_NET_VENDOR_NI is not set
 # CONFIG_NET_VENDOR_NVIDIA is not set
 # CONFIG_NET_VENDOR_OKI is not set
 # CONFIG_ETHOC is not set
@@ -2174,6 +2175,7 @@
 CONFIG_NET_VENDOR_PENSANDO=y
 # CONFIG_IONIC is not set
 # CONFIG_NET_VENDOR_QLOGIC is not set
+# CONFIG_NET_VENDOR_BROCADE is not set
 # CONFIG_NET_VENDOR_QUALCOMM is not set
 # CONFIG_NET_VENDOR_RDC is not set
 # CONFIG_NET_VENDOR_REALTEK is not set
@@ -2181,9 +2183,9 @@
 # CONFIG_NET_VENDOR_ROCKER is not set
 # CONFIG_NET_VENDOR_SAMSUNG is not set
 # CONFIG_NET_VENDOR_SEEQ is not set
-# CONFIG_NET_VENDOR_SOLARFLARE is not set
 # CONFIG_NET_VENDOR_SILAN is not set
 # CONFIG_NET_VENDOR_SIS is not set
+# CONFIG_NET_VENDOR_SOLARFLARE is not set
 # CONFIG_NET_VENDOR_SMSC is not set
 # CONFIG_NET_VENDOR_SOCIONEXT is not set
 # CONFIG_NET_VENDOR_STMICRO is not set
@@ -2760,7 +2762,12 @@
 # DMABUF options
 #
 # CONFIG_SYNC_FILE is not set
+# CONFIG_UDMABUF is not set
+# CONFIG_DMABUF_MOVE_NOTIFY is not set
+# CONFIG_DMABUF_DEBUG is not set
+# CONFIG_DMABUF_SELFTESTS is not set
 # CONFIG_DMABUF_HEAPS is not set
+# CONFIG_DMABUF_SYSFS_STATS is not set
 # end of DMABUF options
 
 # CONFIG_AUXDISPLAY is not set