Address XU4 instability issues, add upstream patches and update AUFS

config/kernel/linux-odroidxu4-legacy.config

@@ -1,6 +1,6 @@
 #
 # Automatically generated file; DO NOT EDIT.
-# Linux/arm 4.14.141 Kernel Configuration
+# Linux/arm 4.14.161 Kernel Configuration
 #
 CONFIG_ARM=y
 CONFIG_ARM_HAS_SG_CHAIN=y
@@ -137,7 +137,7 @@ CONFIG_CGROUP_SCHED=y
 CONFIG_FAIR_GROUP_SCHED=y
 CONFIG_CFS_BANDWIDTH=y
 CONFIG_RT_GROUP_SCHED=y
-CONFIG_CGROUP_PIDS=y
+# CONFIG_CGROUP_PIDS is not set
 # CONFIG_CGROUP_RDMA is not set
 CONFIG_CGROUP_FREEZER=y
 CONFIG_CPUSETS=y
@@ -2143,6 +2143,7 @@ CONFIG_WLAN_VENDOR_TI=y
 # CONFIG_WLCORE is not set
 CONFIG_RTL8822BU=m
 CONFIG_RTL8188EU=m
+CONFIG_RTL8821CU=m
 CONFIG_RTL8812AU=m
 CONFIG_WLAN_VENDOR_ZYDAS=y
 CONFIG_USB_ZD1201=m
@@ -4343,7 +4344,6 @@ CONFIG_USB_EMI62=m
 CONFIG_USB_EMI26=m
 CONFIG_USB_ADUTUX=m
 CONFIG_USB_SEVSEG=m
-# CONFIG_USB_RIO500 is not set
 # CONFIG_USB_LEGOTOWER is not set
 # CONFIG_USB_LCD is not set
 # CONFIG_USB_CYPRESS_CY7C63 is not set
@@ -6124,6 +6124,7 @@ CONFIG_TEXTSEARCH_FSM=m
 CONFIG_ASSOCIATIVE_ARRAY=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_DMA=y
+CONFIG_SGL_ALLOC=y
 # CONFIG_DMA_NOOP_OPS is not set
 # CONFIG_DMA_VIRT_OPS is not set
 CONFIG_CPU_RMAP=y

config/sources/families/odroidxu4.conf

@@ -12,6 +12,7 @@ case $BRANCH in
 
 		KERNELSOURCE='https://github.com/hardkernel/linux'
 		KERNELBRANCH='branch:odroidxu4-4.14.y'
+		KERNEL_USE_GCC='< 7.5'
 		KERNELDIR='linux-odroidxu4'
 
 	;;

patch/kernel/odroidxu4-legacy/increasing_DMA_block_memory_allocation_to_2048.patch

@@ -1,13 +0,0 @@
-diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
-index bd83c53..af7cfe3
---- a/arch/arm/mm/dma-mapping.c
-+++ b/arch/arm/mm/dma-mapping.c
-@@ -374,7 +374,7 @@ static void __dma_free_remap(void *cpu_addr, size_t size)
- 			VM_ARM_DMA_CONSISTENT | VM_USERMAP);
- }
-
--#define DEFAULT_DMA_COHERENT_POOL_SIZE	SZ_256K
-+#define DEFAULT_DMA_COHERENT_POOL_SIZE	SZ_2M
- static struct gen_pool *atomic_pool;
-
- static size_t atomic_pool_size = DEFAULT_DMA_COHERENT_POOL_SIZE;