diff --git a/target/linux/ar71xx/config-4.14 b/target/linux/ar71xx/config-4.14
index 535b5195cd..61290b5152 100644
--- a/target/linux/ar71xx/config-4.14
+++ b/target/linux/ar71xx/config-4.14
@@ -483,3 +483,4 @@ CONFIG_SYS_SUPPORTS_ZBOOT=y
 CONFIG_SYS_SUPPORTS_ZBOOT_UART_PROM=y
 CONFIG_TICK_CPU_ACCOUNTING=y
 CONFIG_USB_SUPPORT=y
+CONFIG_MIPS_FPU_EMULATOR=y
diff --git a/target/linux/ar71xx/config-4.9 b/target/linux/ar71xx/config-4.9
index 8d25692ec8..28ca1a1964 100644
--- a/target/linux/ar71xx/config-4.9
+++ b/target/linux/ar71xx/config-4.9
@@ -282,6 +282,8 @@ CONFIG_ATH79=y
 # CONFIG_ATH79_PCI_ATH9K_FIXUP is not set
 # CONFIG_ATH79_ROUTERBOOT is not set
 CONFIG_ATH79_WDT=y
+CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE=y
+# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 CONFIG_CEVT_R4K=y
 CONFIG_CLKDEV_LOOKUP=y
 CONFIG_CLONE_BACKWARDS=y
@@ -397,6 +399,7 @@ CONFIG_MIPS_ASID_SHIFT=0
 CONFIG_MIPS_CLOCK_VSYSCALL=y
 # CONFIG_MIPS_CMDLINE_BUILTIN_EXTEND is not set
 CONFIG_MIPS_CMDLINE_FROM_BOOTLOADER=y
+CONFIG_MIPS_FPU_EMULATOR=y
 # CONFIG_MIPS_HUGE_TLB_SUPPORT is not set
 CONFIG_MIPS_L1_CACHE_SHIFT=5
 CONFIG_MIPS_MACHINE=y
@@ -452,6 +455,7 @@ CONFIG_RTL8367_PHY=y
 # CONFIG_SERIAL_8250_FSL is not set
 CONFIG_SERIAL_8250_NR_UARTS=1
 CONFIG_SERIAL_8250_RUNTIME_UARTS=1
+# CONFIG_SHORTCUT_FE is not set
 # CONFIG_SOC_AR71XX is not set
 # CONFIG_SOC_AR724X is not set
 # CONFIG_SOC_AR913X is not set
diff --git a/target/linux/ath79/config-4.14 b/target/linux/ath79/config-4.14
index a8349040a1..2b0cd4fe50 100644
--- a/target/linux/ath79/config-4.14
+++ b/target/linux/ath79/config-4.14
@@ -230,3 +230,4 @@ CONFIG_TICK_CPU_ACCOUNTING=y
 CONFIG_TINY_SRCU=y
 CONFIG_USB_SUPPORT=y
 CONFIG_USE_OF=y
+CONFIG_MIPS_FPU_EMULATOR=y
diff --git a/target/linux/ramips/mt7620/config-4.14 b/target/linux/ramips/mt7620/config-4.14
index 1162ed47b2..bc68005cc9 100644
--- a/target/linux/ramips/mt7620/config-4.14
+++ b/target/linux/ramips/mt7620/config-4.14
@@ -233,3 +233,4 @@ CONFIG_TINY_SRCU=y
 CONFIG_USB_SUPPORT=y
 CONFIG_USE_OF=y
 CONFIG_WATCHDOG_CORE=y
+CONFIG_MIPS_FPU_EMULATOR=y
diff --git a/target/linux/ramips/mt7621/config-4.14 b/target/linux/ramips/mt7621/config-4.14
index 0e06023780..c4daff7813 100644
--- a/target/linux/ramips/mt7621/config-4.14
+++ b/target/linux/ramips/mt7621/config-4.14
@@ -287,3 +287,4 @@ CONFIG_WEAK_ORDERING=y
 CONFIG_XPS=y
 CONFIG_ZLIB_DEFLATE=y
 CONFIG_ZLIB_INFLATE=y
+CONFIG_MIPS_FPU_EMULATOR=y
diff --git a/target/linux/ramips/mt76x8/config-4.14 b/target/linux/ramips/mt76x8/config-4.14
index 81e0848931..c9c9abcab4 100644
--- a/target/linux/ramips/mt76x8/config-4.14
+++ b/target/linux/ramips/mt76x8/config-4.14
@@ -228,3 +228,4 @@ CONFIG_TINY_SRCU=y
 CONFIG_USB_SUPPORT=y
 CONFIG_USE_OF=y
 CONFIG_WATCHDOG_CORE=y
+CONFIG_MIPS_FPU_EMULATOR=y
diff --git a/target/linux/ramips/rt288x/config-4.14 b/target/linux/ramips/rt288x/config-4.14
index de4dffe885..ff358c8b42 100644
--- a/target/linux/ramips/rt288x/config-4.14
+++ b/target/linux/ramips/rt288x/config-4.14
@@ -220,3 +220,4 @@ CONFIG_USB_OHCI_HCD_PLATFORM=m
 CONFIG_USB_SUPPORT=y
 CONFIG_USE_OF=y
 CONFIG_WATCHDOG_CORE=y
+CONFIG_MIPS_FPU_EMULATOR=y
diff --git a/target/linux/ramips/rt305x/config-4.14 b/target/linux/ramips/rt305x/config-4.14
index 346a8a8814..e667e0c947 100644
--- a/target/linux/ramips/rt305x/config-4.14
+++ b/target/linux/ramips/rt305x/config-4.14
@@ -197,3 +197,4 @@ CONFIG_TICK_CPU_ACCOUNTING=y
 CONFIG_USB_SUPPORT=y
 CONFIG_USE_OF=y
 CONFIG_WATCHDOG_CORE=y
+CONFIG_MIPS_FPU_EMULATOR=y
diff --git a/target/linux/ramips/rt3883/config-4.14 b/target/linux/ramips/rt3883/config-4.14
index 93d803e2ed..08a99c15e8 100644
--- a/target/linux/ramips/rt3883/config-4.14
+++ b/target/linux/ramips/rt3883/config-4.14
@@ -223,3 +223,4 @@ CONFIG_TINY_SRCU=y
 CONFIG_USB_SUPPORT=y
 CONFIG_USE_OF=y
 CONFIG_WATCHDOG_CORE=y
+CONFIG_MIPS_FPU_EMULATOR=y