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Message-ID: <CANHbGWu0SXtSSHDz=m6KCKOL7AESWB8GHbvqYJMUyvJpTZZDKA@mail.gmail.com>
Date: Sat, 3 May 2014 03:40:13 +0800
From: V JobNickname <workofv@...il.com>
To: linux-kernel@...r.kernel.org
Cc: netdev@...r.kernel.org
Subject: network performance get regression from 2.6 to 3.10 by each version
I have an ARM platform which works with older 2.6.28 Linux Kernel and
the embedded NIC driver
I profile the TCP Tx using netperf 2.6 by command "./netperf -H
{serverip} -l 300".
In 2.6.28 the TCP tx can reach 190 Mbps.
Recently I am porting the platform to long-term Kernel version
2.6.32.61, 3.4.88 and 3.10.
And I got the regression TCP Tx throughput by each new version.
2.6.32.61 is about 184Mbps
3.4.88 is about 173Mbps
3.10.0 is about 160Mbps
so, I try to porting to more EOL versions
3.0.38 184Mbps
3.2.0 179Mbps
3.2.57 177Mbps
3.5.0 168Mbps
3.5.7 166Mbps
3.6.0 162Mbps
3.6.11 163Mbps
The newer version have slower performance.
The Kernel was download from kernel.org for porting.
To touch less file as possible, I only porting basic requirement for
MACHINE_START "io_map" "interrupt" "timer" and add NIC driver.
The patch needed for NIC driver from 2.x to 3.x is only to group fops
to "net_device_ops". No any change in xmit, received and isr handle
flow.
Actually, the NIC driver from 3.2 to 3.6 are file identical by diff.
The only different is .config file, and I have try to keep the
configuration are identical also. Just new or remove option difference
between each version.
I have no idea is the performance regression is due to network stack
of each version or any feature I have to configure on new version.
Any suggestion I can try to dig out the root cause, or some one have
similar same observation on your experimence?
The following is .config which I used for 3.0.38 and .config diff
between each version.
I can't find any difference option will effect the performance from
.config diffs.
====================================================================
.config of kernel 3.0.38
#
# Automatically generated make config: don't edit
# Linux/arm 3.0.38 Kernel Configuration
#
CONFIG_ARM=y
CONFIG_SYS_SUPPORTS_APM_EMULATION=y
# CONFIG_ARCH_USES_GETTIMEOFFSET is not set
CONFIG_KTIME_SCALAR=y
CONFIG_HAVE_PROC_CPU=y
CONFIG_STACKTRACE_SUPPORT=y
CONFIG_HAVE_LATENCYTOP_SUPPORT=y
CONFIG_LOCKDEP_SUPPORT=y
CONFIG_TRACE_IRQFLAGS_SUPPORT=y
CONFIG_HARDIRQS_SW_RESEND=y
CONFIG_GENERIC_IRQ_PROBE=y
CONFIG_RWSEM_GENERIC_SPINLOCK=y
CONFIG_ARCH_HAS_CPU_IDLE_WAIT=y
CONFIG_GENERIC_HWEIGHT=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
CONFIG_NEED_DMA_MAP_STATE=y
CONFIG_VECTORS_BASE=0xffff0000
# CONFIG_ARM_PATCH_PHYS_VIRT is not set
CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
CONFIG_HAVE_IRQ_WORK=y
#
# General setup
#
CONFIG_EXPERIMENTAL=y
CONFIG_BROKEN_ON_SMP=y
CONFIG_INIT_ENV_ARG_LIMIT=32
CONFIG_CROSS_COMPILE="arm-linux-"
CONFIG_LOCALVERSION=""
# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_HAVE_KERNEL_GZIP=y
CONFIG_HAVE_KERNEL_LZMA=y
CONFIG_HAVE_KERNEL_LZO=y
CONFIG_KERNEL_GZIP=y
# CONFIG_KERNEL_LZMA is not set
# CONFIG_KERNEL_LZO is not set
CONFIG_DEFAULT_HOSTNAME="(none)"
# CONFIG_SWAP is not set
CONFIG_SYSVIPC=y
CONFIG_SYSVIPC_SYSCTL=y
# CONFIG_POSIX_MQUEUE is not set
# CONFIG_BSD_PROCESS_ACCT is not set
# CONFIG_FHANDLE is not set
# CONFIG_TASKSTATS is not set
# CONFIG_AUDIT is not set
CONFIG_HAVE_GENERIC_HARDIRQS=y
#
# IRQ subsystem
#
CONFIG_GENERIC_HARDIRQS=y
CONFIG_HAVE_SPARSE_IRQ=y
CONFIG_GENERIC_IRQ_SHOW=y
# CONFIG_SPARSE_IRQ is not set
#
# RCU Subsystem
#
# CONFIG_TREE_PREEMPT_RCU is not set
# CONFIG_TINY_RCU is not set
CONFIG_TINY_PREEMPT_RCU=y
CONFIG_PREEMPT_RCU=y
# CONFIG_RCU_TRACE is not set
# CONFIG_TREE_RCU_TRACE is not set
# CONFIG_RCU_BOOST is not set
# CONFIG_IKCONFIG is not set
CONFIG_LOG_BUF_SHIFT=16
# CONFIG_CGROUPS is not set
CONFIG_NAMESPACES=y
# CONFIG_UTS_NS is not set
CONFIG_IPC_NS=y
# CONFIG_USER_NS is not set
# CONFIG_PID_NS is not set
# CONFIG_NET_NS is not set
# CONFIG_SCHED_AUTOGROUP is not set
CONFIG_SYSFS_DEPRECATED=y
CONFIG_SYSFS_DEPRECATED_V2=y
# CONFIG_RELAY is not set
CONFIG_BLK_DEV_INITRD=y
CONFIG_INITRAMFS_SOURCE=""
CONFIG_RD_GZIP=y
# CONFIG_RD_BZIP2 is not set
# CONFIG_RD_LZMA is not set
# CONFIG_RD_XZ is not set
# CONFIG_RD_LZO is not set
# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
CONFIG_SYSCTL=y
CONFIG_ANON_INODES=y
CONFIG_EXPERT=y
CONFIG_UID16=y
# CONFIG_SYSCTL_SYSCALL is not set
CONFIG_KALLSYMS=y
# CONFIG_KALLSYMS_ALL is not set
CONFIG_HOTPLUG=y
CONFIG_PRINTK=y
CONFIG_BUG=y
# CONFIG_ELF_CORE is not set
CONFIG_BASE_FULL=y
CONFIG_FUTEX=y
CONFIG_EPOLL=y
CONFIG_SIGNALFD=y
CONFIG_TIMERFD=y
CONFIG_EVENTFD=y
CONFIG_SHMEM=y
CONFIG_AIO=y
CONFIG_EMBEDDED=y
CONFIG_HAVE_PERF_EVENTS=y
CONFIG_PERF_USE_VMALLOC=y
#
# Kernel Performance Events And Counters
#
# CONFIG_PERF_EVENTS is not set
# CONFIG_PERF_COUNTERS is not set
# CONFIG_VM_EVENT_COUNTERS is not set
CONFIG_COMPAT_BRK=y
CONFIG_SLAB=y
# CONFIG_SLUB is not set
# CONFIG_SLOB is not set
# CONFIG_PROFILING is not set
CONFIG_HAVE_OPROFILE=y
# CONFIG_KPROBES is not set
CONFIG_HAVE_KPROBES=y
CONFIG_HAVE_KRETPROBES=y
CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y
CONFIG_HAVE_DMA_API_DEBUG=y
#
# GCOV-based kernel profiling
#
CONFIG_HAVE_GENERIC_DMA_COHERENT=y
CONFIG_SLABINFO=y
CONFIG_RT_MUTEXES=y
CONFIG_BASE_SMALL=0
CONFIG_MODULES=y
# CONFIG_MODULE_FORCE_LOAD is not set
CONFIG_MODULE_UNLOAD=y
CONFIG_MODULE_FORCE_UNLOAD=y
# CONFIG_MODVERSIONS is not set
# CONFIG_MODULE_SRCVERSION_ALL is not set
CONFIG_BLOCK=y
CONFIG_LBDAF=y
# CONFIG_BLK_DEV_BSG is not set
# CONFIG_BLK_DEV_INTEGRITY is not set
#
# IO Schedulers
#
CONFIG_IOSCHED_NOOP=y
# CONFIG_IOSCHED_DEADLINE is not set
# CONFIG_IOSCHED_CFQ is not set
CONFIG_DEFAULT_NOOP=y
CONFIG_DEFAULT_IOSCHED="noop"
# CONFIG_INLINE_SPIN_TRYLOCK is not set
# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set
# CONFIG_INLINE_SPIN_LOCK is not set
# CONFIG_INLINE_SPIN_LOCK_BH is not set
# CONFIG_INLINE_SPIN_LOCK_IRQ is not set
# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set
# CONFIG_INLINE_SPIN_UNLOCK is not set
# CONFIG_INLINE_SPIN_UNLOCK_BH is not set
# CONFIG_INLINE_SPIN_UNLOCK_IRQ is not set
# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set
# CONFIG_INLINE_READ_TRYLOCK is not set
# CONFIG_INLINE_READ_LOCK is not set
# CONFIG_INLINE_READ_LOCK_BH is not set
# CONFIG_INLINE_READ_LOCK_IRQ is not set
# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set
# CONFIG_INLINE_READ_UNLOCK is not set
# CONFIG_INLINE_READ_UNLOCK_BH is not set
# CONFIG_INLINE_READ_UNLOCK_IRQ is not set
# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set
# CONFIG_INLINE_WRITE_TRYLOCK is not set
# CONFIG_INLINE_WRITE_LOCK is not set
# CONFIG_INLINE_WRITE_LOCK_BH is not set
# CONFIG_INLINE_WRITE_LOCK_IRQ is not set
# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set
# CONFIG_INLINE_WRITE_UNLOCK is not set
# CONFIG_INLINE_WRITE_UNLOCK_BH is not set
# CONFIG_INLINE_WRITE_UNLOCK_IRQ is not set
# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
# CONFIG_MUTEX_SPIN_ON_OWNER is not set
# CONFIG_FREEZER is not set
#
# System Type
#
CONFIG_MMU=y
# CONFIG_ARCH_INTEGRATOR is not set
# CONFIG_ARCH_REALVIEW is not set
# CONFIG_ARCH_VERSATILE is not set
# CONFIG_ARCH_VEXPRESS is not set
# CONFIG_ARCH_AT91 is not set
# CONFIG_ARCH_BCMRING is not set
CONFIG_ARCH_MYSOC=y
# CONFIG_ARCH_CLPS711X is not set
# CONFIG_ARCH_CNS3XXX is not set
# CONFIG_ARCH_GEMINI is not set
# CONFIG_ARCH_EBSA110 is not set
# CONFIG_ARCH_EP93XX is not set
# CONFIG_ARCH_FOOTBRIDGE is not set
# CONFIG_ARCH_MXC is not set
# CONFIG_ARCH_MXS is not set
# CONFIG_ARCH_NETX is not set
# CONFIG_ARCH_H720X is not set
# CONFIG_ARCH_IOP13XX is not set
# CONFIG_ARCH_IOP32X is not set
# CONFIG_ARCH_IOP33X is not set
# CONFIG_ARCH_IXP23XX is not set
# CONFIG_ARCH_IXP2000 is not set
# CONFIG_ARCH_IXP4XX is not set
# CONFIG_ARCH_DOVE is not set
# CONFIG_ARCH_KIRKWOOD is not set
# CONFIG_ARCH_LOKI is not set
# CONFIG_ARCH_LPC32XX is not set
# CONFIG_ARCH_MV78XX0 is not set
# CONFIG_ARCH_ORION5X is not set
# CONFIG_ARCH_MMP is not set
# CONFIG_ARCH_KS8695 is not set
# CONFIG_ARCH_W90X900 is not set
# CONFIG_ARCH_NUC93X is not set
# CONFIG_ARCH_TEGRA is not set
# CONFIG_ARCH_PNX4008 is not set
# CONFIG_ARCH_PXA is not set
# CONFIG_ARCH_MSM is not set
# CONFIG_ARCH_SHMOBILE is not set
# CONFIG_ARCH_RPC is not set
# CONFIG_ARCH_SA1100 is not set
# CONFIG_ARCH_S3C2410 is not set
# CONFIG_ARCH_S3C64XX is not set
# CONFIG_ARCH_S5P64X0 is not set
# CONFIG_ARCH_S5PC100 is not set
# CONFIG_ARCH_S5PV210 is not set
# CONFIG_ARCH_EXYNOS4 is not set
# CONFIG_ARCH_SHARK is not set
# CONFIG_ARCH_TCC_926 is not set
# CONFIG_ARCH_U300 is not set
# CONFIG_ARCH_U8500 is not set
# CONFIG_ARCH_NOMADIK is not set
# CONFIG_ARCH_DAVINCI is not set
# CONFIG_ARCH_OMAP is not set
# CONFIG_PLAT_SPEAR is not set
# CONFIG_ARCH_VT8500 is not set
#
# System MMU
#
#
# Processor Type
#
CONFIG_CPU_ARM926T=y
CONFIG_CPU_32v5=y
CONFIG_CPU_ABRT_EV5TJ=y
CONFIG_CPU_PABRT_LEGACY=y
CONFIG_CPU_CACHE_VIVT=y
CONFIG_CPU_COPY_V4WB=y
CONFIG_CPU_TLB_V4WBI=y
CONFIG_CPU_CP15=y
CONFIG_CPU_CP15_MMU=y
CONFIG_CPU_USE_DOMAINS=y
#
# Processor Features
#
# CONFIG_ARM_THUMB is not set
# CONFIG_CPU_ICACHE_DISABLE is not set
# CONFIG_CPU_DCACHE_DISABLE is not set
# CONFIG_CPU_DCACHE_WRITETHROUGH is not set
# CONFIG_CPU_CACHE_ROUND_ROBIN is not set
CONFIG_ARM_L1_CACHE_SHIFT=5
#
# Bus support
#
# CONFIG_PCI_SYSCALL is not set
# CONFIG_ARCH_SUPPORTS_MSI is not set
# CONFIG_PCCARD is not set
#
# Kernel Features
#
CONFIG_VMSPLIT_3G=y
# CONFIG_VMSPLIT_2G is not set
# CONFIG_VMSPLIT_1G is not set
CONFIG_PAGE_OFFSET=0xC0000000
# CONFIG_PREEMPT_NONE is not set
# CONFIG_PREEMPT_VOLUNTARY is not set
CONFIG_PREEMPT=y
CONFIG_HZ=100
CONFIG_AEABI=y
# CONFIG_OABI_COMPAT is not set
# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
CONFIG_HAVE_ARCH_PFN_VALID=y
# CONFIG_HIGHMEM is not set
CONFIG_SELECT_MEMORY_MODEL=y
CONFIG_FLATMEM_MANUAL=y
CONFIG_FLATMEM=y
CONFIG_FLAT_NODE_MEM_MAP=y
CONFIG_HAVE_MEMBLOCK=y
CONFIG_PAGEFLAGS_EXTENDED=y
CONFIG_SPLIT_PTLOCK_CPUS=999999
# CONFIG_COMPACTION is not set
# CONFIG_PHYS_ADDR_T_64BIT is not set
CONFIG_ZONE_DMA_FLAG=0
CONFIG_VIRT_TO_BUS=y
# CONFIG_KSM is not set
CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
CONFIG_NEED_PER_CPU_KM=y
# CONFIG_CLEANCACHE is not set
CONFIG_FORCE_MAX_ZONEORDER=11
CONFIG_ALIGNMENT_TRAP=y
# CONFIG_UACCESS_WITH_MEMCPY is not set
# CONFIG_SECCOMP is not set
# CONFIG_CC_STACKPROTECTOR is not set
# CONFIG_DEPRECATED_PARAM_STRUCT is not set
#
# Boot options
#
# CONFIG_USE_OF is not set
CONFIG_ZBOOT_ROM_TEXT=0
CONFIG_ZBOOT_ROM_BSS=0
CONFIG_CMDLINE="root=/ console=2 mem=64M"
CONFIG_CMDLINE_FROM_BOOTLOADER=y
# CONFIG_CMDLINE_EXTEND is not set
# CONFIG_CMDLINE_FORCE is not set
# CONFIG_XIP_KERNEL is not set
# CONFIG_KEXEC is not set
# CONFIG_CRASH_DUMP is not set
# CONFIG_AUTO_ZRELADDR is not set
#
# CPU Power Management
#
# CONFIG_CPU_IDLE is not set
#
# Floating point emulation
#
#
# At least one emulation must be selected
#
# CONFIG_VFP is not set
#
# Userspace binary formats
#
CONFIG_BINFMT_ELF=y
CONFIG_HAVE_AOUT=y
CONFIG_BINFMT_AOUT=y
# CONFIG_BINFMT_MISC is not set
#
# Power management options
#
# CONFIG_SUSPEND is not set
# CONFIG_PM_RUNTIME is not set
CONFIG_ARCH_SUSPEND_POSSIBLE=y
CONFIG_NET=y
#
# Networking options
#
CONFIG_PACKET=y
CONFIG_UNIX=y
CONFIG_XFRM=y
# CONFIG_XFRM_USER is not set
# CONFIG_XFRM_SUB_POLICY is not set
# CONFIG_XFRM_MIGRATE is not set
# CONFIG_XFRM_STATISTICS is not set
# CONFIG_NET_KEY is not set
CONFIG_INET=y
CONFIG_IP_MULTICAST=y
# CONFIG_IP_ADVANCED_ROUTER is not set
CONFIG_IP_PNP=y
# CONFIG_IP_PNP_DHCP is not set
# CONFIG_IP_PNP_BOOTP is not set
# CONFIG_IP_PNP_RARP is not set
# CONFIG_NET_IPIP is not set
# CONFIG_NET_IPGRE_DEMUX is not set
# CONFIG_IP_MROUTE is not set
# CONFIG_ARPD is not set
# CONFIG_SYN_COOKIES is not set
# CONFIG_INET_AH is not set
# CONFIG_INET_ESP is not set
# CONFIG_INET_IPCOMP is not set
# CONFIG_INET_XFRM_TUNNEL is not set
# CONFIG_INET_TUNNEL is not set
CONFIG_INET_XFRM_MODE_TRANSPORT=y
CONFIG_INET_XFRM_MODE_TUNNEL=y
CONFIG_INET_XFRM_MODE_BEET=y
# CONFIG_INET_LRO is not set
CONFIG_INET_DIAG=y
CONFIG_INET_TCP_DIAG=y
# CONFIG_TCP_CONG_ADVANCED is not set
CONFIG_TCP_CONG_CUBIC=y
CONFIG_DEFAULT_TCP_CONG="cubic"
# CONFIG_TCP_MD5SIG is not set
# CONFIG_IPV6 is not set
# CONFIG_NETWORK_SECMARK is not set
# CONFIG_NETWORK_PHY_TIMESTAMPING is not set
# CONFIG_NETFILTER is not set
# CONFIG_IP_DCCP is not set
# CONFIG_IP_SCTP is not set
# CONFIG_RDS is not set
# CONFIG_TIPC is not set
# CONFIG_ATM is not set
# CONFIG_L2TP is not set
# CONFIG_BRIDGE is not set
# CONFIG_NET_DSA is not set
# CONFIG_VLAN_8021Q is not set
# CONFIG_DECNET is not set
# CONFIG_LLC2 is not set
# CONFIG_IPX is not set
# CONFIG_ATALK is not set
# CONFIG_X25 is not set
# CONFIG_LAPB is not set
# CONFIG_ECONET is not set
# CONFIG_WAN_ROUTER is not set
# CONFIG_PHONET is not set
# CONFIG_IEEE802154 is not set
# CONFIG_NET_SCHED is not set
# CONFIG_DCB is not set
# CONFIG_BATMAN_ADV is not set
#
# Network testing
#
# CONFIG_NET_PKTGEN is not set
# CONFIG_HAMRADIO is not set
# CONFIG_CAN is not set
# CONFIG_IRDA is not set
# CONFIG_BT is not set
# CONFIG_AF_RXRPC is not set
CONFIG_WIRELESS=y
CONFIG_WIRELESS_EXT=y
CONFIG_WEXT_CORE=y
CONFIG_WEXT_PROC=y
CONFIG_WEXT_SPY=y
CONFIG_CFG80211=y
# CONFIG_NL80211_TESTMODE is not set
# CONFIG_CFG80211_DEVELOPER_WARNINGS is not set
# CONFIG_CFG80211_REG_DEBUG is not set
CONFIG_CFG80211_DEFAULT_PS=y
# CONFIG_CFG80211_INTERNAL_REGDB is not set
CONFIG_CFG80211_WEXT=y
CONFIG_WIRELESS_EXT_SYSFS=y
CONFIG_LIB80211=y
# CONFIG_LIB80211_DEBUG is not set
CONFIG_MAC80211=y
CONFIG_MAC80211_HAS_RC=y
CONFIG_MAC80211_RC_PID=y
# CONFIG_MAC80211_RC_MINSTREL is not set
CONFIG_MAC80211_RC_DEFAULT_PID=y
CONFIG_MAC80211_RC_DEFAULT="pid"
# CONFIG_MAC80211_MESH is not set
# CONFIG_MAC80211_DEBUG_MENU is not set
# CONFIG_WIMAX is not set
# CONFIG_RFKILL is not set
# CONFIG_NET_9P is not set
# CONFIG_CAIF is not set
# CONFIG_CEPH_LIB is not set
#
# Device Drivers
#
#
# Generic Driver Options
#
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
CONFIG_STANDALONE=y
CONFIG_PREVENT_FIRMWARE_BUILD=y
CONFIG_FW_LOADER=y
CONFIG_FIRMWARE_IN_KERNEL=y
CONFIG_EXTRA_FIRMWARE=""
# CONFIG_DEBUG_DRIVER is not set
# CONFIG_DEBUG_DEVRES is not set
# CONFIG_SYS_HYPERVISOR is not set
# CONFIG_CONNECTOR is not set
# CONFIG_MTD is not set
# CONFIG_PARPORT is not set
CONFIG_BLK_DEV=y
# CONFIG_BLK_DEV_COW_COMMON is not set
# CONFIG_BLK_DEV_LOOP is not set
#
# DRBD disabled because PROC_FS, INET or CONNECTOR not selected
#
# CONFIG_BLK_DEV_NBD is not set
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_COUNT=2
CONFIG_BLK_DEV_RAM_SIZE=8192
# CONFIG_BLK_DEV_XIP is not set
# CONFIG_CDROM_PKTCDVD is not set
# CONFIG_ATA_OVER_ETH is not set
# CONFIG_BLK_DEV_RBD is not set
# CONFIG_SENSORS_LIS3LV02D is not set
# CONFIG_MISC_DEVICES is not set
CONFIG_HAVE_IDE=y
# CONFIG_IDE is not set
#
# SCSI device support
#
CONFIG_SCSI_MOD=y
# CONFIG_RAID_ATTRS is not set
# CONFIG_SCSI is not set
# CONFIG_SCSI_DMA is not set
# CONFIG_SCSI_NETLINK is not set
# CONFIG_ATA is not set
# CONFIG_MD is not set
CONFIG_NETDEVICES=y
# CONFIG_DUMMY is not set
# CONFIG_BONDING is not set
# CONFIG_MACVLAN is not set
# CONFIG_EQUALIZER is not set
# CONFIG_TUN is not set
# CONFIG_VETH is not set
CONFIG_MII=y
CONFIG_PHYLIB=y
#
# MII PHY device drivers
#
# CONFIG_MARVELL_PHY is not set
# CONFIG_DAVICOM_PHY is not set
# CONFIG_QSEMI_PHY is not set
# CONFIG_LXT_PHY is not set
# CONFIG_CICADA_PHY is not set
# CONFIG_VITESSE_PHY is not set
# CONFIG_SMSC_PHY is not set
CONFIG_BROADCOM_PHY=y
CONFIG_ICPLUS_PHY=y
CONFIG_REALTEK_PHY=y
# CONFIG_NATIONAL_PHY is not set
# CONFIG_STE10XP is not set
# CONFIG_LSI_ET1011C_PHY is not set
# CONFIG_MICREL_PHY is not set
# CONFIG_FIXED_PHY is not set
# CONFIG_MDIO_BITBANG is not set
# CONFIG_NET_ETHERNET is not set
CONFIG_NETDEV_1000=y
CONFIG_MYNIC_ETH=y
# CONFIG_NETDEV_10000 is not set
CONFIG_WLAN=y
# CONFIG_LIBERTAS_THINFIRM is not set
# CONFIG_MAC80211_HWSIM is not set
# CONFIG_ATH_COMMON is not set
# CONFIG_B43 is not set
# CONFIG_B43LEGACY is not set
# CONFIG_HOSTAP is not set
CONFIG_LIBERTAS=y
CONFIG_LIBERTAS_DEBUG=y
# CONFIG_LIBERTAS_MESH is not set
# CONFIG_P54_COMMON is not set
CONFIG_RT2X00=y
# CONFIG_RTL8192SE is not set
# CONFIG_WL1251 is not set
# CONFIG_WL12XX_MENU is not set
# CONFIG_MWIFIEX is not set
#
# Enable WiMAX (Networking options) to see the WiMAX drivers
#
# CONFIG_WAN is not set
#
# CAIF transport drivers
#
CONFIG_PPP=m
# CONFIG_PPP_MULTILINK is not set
# CONFIG_PPP_FILTER is not set
CONFIG_PPP_ASYNC=m
CONFIG_PPP_SYNC_TTY=m
CONFIG_PPP_DEFLATE=m
CONFIG_PPP_BSDCOMP=m
# CONFIG_PPP_MPPE is not set
CONFIG_PPPOE=m
# CONFIG_SLIP is not set
CONFIG_SLHC=m
# CONFIG_NETCONSOLE is not set
# CONFIG_NETPOLL is not set
# CONFIG_NET_POLL_CONTROLLER is not set
# CONFIG_ISDN is not set
# CONFIG_PHONE is not set
#
# Input device support
#
CONFIG_INPUT=y
# CONFIG_INPUT_FF_MEMLESS is not set
# CONFIG_INPUT_POLLDEV is not set
# CONFIG_INPUT_SPARSEKMAP is not set
#
# Userland interfaces
#
# CONFIG_INPUT_MOUSEDEV is not set
# CONFIG_INPUT_JOYDEV is not set
# CONFIG_INPUT_EVDEV is not set
# CONFIG_INPUT_EVBUG is not set
#
# Input Device Drivers
#
# CONFIG_INPUT_KEYBOARD is not set
# CONFIG_INPUT_MOUSE is not set
# CONFIG_INPUT_JOYSTICK is not set
# CONFIG_INPUT_TABLET is not set
# CONFIG_INPUT_TOUCHSCREEN is not set
# CONFIG_INPUT_MISC is not set
#
# Hardware I/O ports
#
CONFIG_SERIO=y
CONFIG_SERIO_SERPORT=y
# CONFIG_SERIO_LIBPS2 is not set
CONFIG_SERIO_RAW=y
# CONFIG_SERIO_ALTERA_PS2 is not set
# CONFIG_SERIO_PS2MULT is not set
# CONFIG_GAMEPORT is not set
#
# Character devices
#
CONFIG_VT=y
CONFIG_CONSOLE_TRANSLATIONS=y
CONFIG_VT_CONSOLE=y
CONFIG_HW_CONSOLE=y
# CONFIG_VT_HW_CONSOLE_BINDING is not set
CONFIG_UNIX98_PTYS=y
# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
# CONFIG_LEGACY_PTYS is not set
# CONFIG_SERIAL_NONSTANDARD is not set
# CONFIG_N_GSM is not set
# CONFIG_TRACE_SINK is not set
# CONFIG_DEVKMEM is not set
#
# Serial drivers
#
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_8250_NR_UARTS=4
CONFIG_SERIAL_8250_RUNTIME_UARTS=4
# CONFIG_SERIAL_8250_EXTENDED is not set
#
# Non-8250 serial port support
#
CONFIG_SERIAL_CORE=y
CONFIG_SERIAL_CORE_CONSOLE=y
# CONFIG_SERIAL_TIMBERDALE is not set
# CONFIG_SERIAL_ALTERA_JTAGUART is not set
# CONFIG_SERIAL_ALTERA_UART is not set
# CONFIG_SERIAL_XILINX_PS_UART is not set
# CONFIG_TTY_PRINTK is not set
# CONFIG_HVC_DCC is not set
# CONFIG_IPMI_HANDLER is not set
# CONFIG_HW_RANDOM is not set
# CONFIG_R3964 is not set
# CONFIG_RAW_DRIVER is not set
# CONFIG_TCG_TPM is not set
# CONFIG_RAMOOPS is not set
# CONFIG_I2C is not set
# CONFIG_SPI is not set
#
# PPS support
#
# CONFIG_PPS is not set
#
# PPS generators support
#
#
# PTP clock support
#
#
# Enable Device Drivers -> PPS to see the PTP clock options.
#
# CONFIG_W1 is not set
# CONFIG_POWER_SUPPLY is not set
# CONFIG_HWMON is not set
# CONFIG_THERMAL is not set
# CONFIG_WATCHDOG is not set
CONFIG_SSB_POSSIBLE=y
#
# Sonics Silicon Backplane
#
# CONFIG_SSB is not set
CONFIG_BCMA_POSSIBLE=y
#
# Broadcom specific AMBA
#
# CONFIG_BCMA is not set
# CONFIG_MFD_SUPPORT is not set
# CONFIG_REGULATOR is not set
# CONFIG_MEDIA_SUPPORT is not set
#
# Graphics support
#
# CONFIG_DRM is not set
# CONFIG_VGASTATE is not set
# CONFIG_VIDEO_OUTPUT_CONTROL is not set
# CONFIG_FB is not set
# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
#
# Display device support
#
# CONFIG_DISPLAY_SUPPORT is not set
#
# Console display driver support
#
CONFIG_DUMMY_CONSOLE=y
# CONFIG_SOUND is not set
# CONFIG_HID_SUPPORT is not set
# CONFIG_USB_SUPPORT is not set
# CONFIG_MMC is not set
# CONFIG_MEMSTICK is not set
# CONFIG_NEW_LEDS is not set
# CONFIG_NFC_DEVICES is not set
# CONFIG_ACCESSIBILITY is not set
CONFIG_RTC_LIB=y
# CONFIG_RTC_CLASS is not set
# CONFIG_DMADEVICES is not set
# CONFIG_AUXDISPLAY is not set
# CONFIG_UIO is not set
# CONFIG_STAGING is not set
#
# File systems
#
CONFIG_EXT2_FS=y
# CONFIG_EXT2_FS_XATTR is not set
# CONFIG_EXT2_FS_XIP is not set
# CONFIG_EXT3_FS is not set
# CONFIG_EXT4_FS is not set
# CONFIG_REISERFS_FS is not set
# CONFIG_JFS_FS is not set
# CONFIG_XFS_FS is not set
# CONFIG_GFS2_FS is not set
# CONFIG_BTRFS_FS is not set
# CONFIG_NILFS2_FS is not set
# CONFIG_FS_POSIX_ACL is not set
CONFIG_FILE_LOCKING=y
CONFIG_FSNOTIFY=y
CONFIG_DNOTIFY=y
CONFIG_INOTIFY_USER=y
# CONFIG_FANOTIFY is not set
# CONFIG_QUOTA is not set
# CONFIG_QUOTACTL is not set
CONFIG_AUTOFS4_FS=y
# CONFIG_FUSE_FS is not set
#
# Caches
#
# CONFIG_FSCACHE is not set
#
# CD-ROM/DVD Filesystems
#
# CONFIG_ISO9660_FS is not set
# CONFIG_UDF_FS is not set
#
# DOS/FAT/NT Filesystems
#
CONFIG_FAT_FS=y
CONFIG_MSDOS_FS=y
CONFIG_VFAT_FS=y
CONFIG_FAT_DEFAULT_CODEPAGE=437
CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
# CONFIG_NTFS_FS is not set
#
# Pseudo filesystems
#
CONFIG_PROC_FS=y
CONFIG_PROC_SYSCTL=y
CONFIG_PROC_PAGE_MONITOR=y
CONFIG_SYSFS=y
CONFIG_TMPFS=y
# CONFIG_TMPFS_POSIX_ACL is not set
# CONFIG_TMPFS_XATTR is not set
# CONFIG_HUGETLB_PAGE is not set
# CONFIG_CONFIGFS_FS is not set
CONFIG_MISC_FILESYSTEMS=y
# CONFIG_ADFS_FS is not set
# CONFIG_AFFS_FS is not set
# CONFIG_HFS_FS is not set
# CONFIG_HFSPLUS_FS is not set
# CONFIG_BEFS_FS is not set
# CONFIG_BFS_FS is not set
# CONFIG_EFS_FS is not set
# CONFIG_LOGFS is not set
# CONFIG_CRAMFS is not set
CONFIG_SQUASHFS=y
# CONFIG_SQUASHFS_XATTR is not set
# CONFIG_SQUASHFS_LZO is not set
# CONFIG_SQUASHFS_XZ is not set
# CONFIG_SQUASHFS_EMBEDDED is not set
CONFIG_SQUASHFS_FRAGMENT_CACHE_SIZE=3
# CONFIG_VXFS_FS is not set
# CONFIG_MINIX_FS is not set
# CONFIG_OMFS_FS is not set
# CONFIG_HPFS_FS is not set
# CONFIG_QNX4FS_FS is not set
# CONFIG_ROMFS_FS is not set
# CONFIG_PSTORE is not set
# CONFIG_SYSV_FS is not set
# CONFIG_UFS_FS is not set
CONFIG_NETWORK_FILESYSTEMS=y
CONFIG_NFS_FS=y
CONFIG_NFS_V3=y
# CONFIG_NFS_V3_ACL is not set
# CONFIG_NFS_V4 is not set
# CONFIG_ROOT_NFS is not set
# CONFIG_NFSD is not set
CONFIG_LOCKD=y
CONFIG_LOCKD_V4=y
CONFIG_NFS_COMMON=y
CONFIG_SUNRPC=y
# CONFIG_CEPH_FS is not set
# CONFIG_CIFS is not set
# CONFIG_NCP_FS is not set
# CONFIG_CODA_FS is not set
# CONFIG_AFS_FS is not set
#
# Partition Types
#
CONFIG_PARTITION_ADVANCED=y
# CONFIG_ACORN_PARTITION is not set
# CONFIG_OSF_PARTITION is not set
# CONFIG_AMIGA_PARTITION is not set
# CONFIG_ATARI_PARTITION is not set
# CONFIG_MAC_PARTITION is not set
CONFIG_MSDOS_PARTITION=y
# CONFIG_BSD_DISKLABEL is not set
# CONFIG_MINIX_SUBPARTITION is not set
# CONFIG_SOLARIS_X86_PARTITION is not set
# CONFIG_UNIXWARE_DISKLABEL is not set
# CONFIG_LDM_PARTITION is not set
# CONFIG_SGI_PARTITION is not set
# CONFIG_ULTRIX_PARTITION is not set
# CONFIG_SUN_PARTITION is not set
# CONFIG_KARMA_PARTITION is not set
# CONFIG_EFI_PARTITION is not set
# CONFIG_SYSV68_PARTITION is not set
CONFIG_NLS=y
CONFIG_NLS_DEFAULT="iso8859-1"
CONFIG_NLS_CODEPAGE_437=y
# CONFIG_NLS_CODEPAGE_737 is not set
# CONFIG_NLS_CODEPAGE_775 is not set
# CONFIG_NLS_CODEPAGE_850 is not set
# CONFIG_NLS_CODEPAGE_852 is not set
# CONFIG_NLS_CODEPAGE_855 is not set
# CONFIG_NLS_CODEPAGE_857 is not set
# CONFIG_NLS_CODEPAGE_860 is not set
# CONFIG_NLS_CODEPAGE_861 is not set
# CONFIG_NLS_CODEPAGE_862 is not set
# CONFIG_NLS_CODEPAGE_863 is not set
# CONFIG_NLS_CODEPAGE_864 is not set
# CONFIG_NLS_CODEPAGE_865 is not set
# CONFIG_NLS_CODEPAGE_866 is not set
# CONFIG_NLS_CODEPAGE_869 is not set
# CONFIG_NLS_CODEPAGE_936 is not set
# CONFIG_NLS_CODEPAGE_950 is not set
# CONFIG_NLS_CODEPAGE_932 is not set
# CONFIG_NLS_CODEPAGE_949 is not set
# CONFIG_NLS_CODEPAGE_874 is not set
# CONFIG_NLS_ISO8859_8 is not set
# CONFIG_NLS_CODEPAGE_1250 is not set
# CONFIG_NLS_CODEPAGE_1251 is not set
# CONFIG_NLS_ASCII is not set
CONFIG_NLS_ISO8859_1=y
# CONFIG_NLS_ISO8859_2 is not set
# CONFIG_NLS_ISO8859_3 is not set
# CONFIG_NLS_ISO8859_4 is not set
# CONFIG_NLS_ISO8859_5 is not set
# CONFIG_NLS_ISO8859_6 is not set
# CONFIG_NLS_ISO8859_7 is not set
# CONFIG_NLS_ISO8859_9 is not set
# CONFIG_NLS_ISO8859_13 is not set
# CONFIG_NLS_ISO8859_14 is not set
# CONFIG_NLS_ISO8859_15 is not set
# CONFIG_NLS_KOI8_R is not set
# CONFIG_NLS_KOI8_U is not set
# CONFIG_NLS_UTF8 is not set
#
# Kernel hacking
#
# CONFIG_PRINTK_TIME is not set
CONFIG_DEFAULT_MESSAGE_LOGLEVEL=4
# CONFIG_ENABLE_WARN_DEPRECATED is not set
# CONFIG_ENABLE_MUST_CHECK is not set
CONFIG_FRAME_WARN=0
# CONFIG_MAGIC_SYSRQ is not set
# CONFIG_STRIP_ASM_SYMS is not set
# CONFIG_UNUSED_SYMBOLS is not set
# CONFIG_DEBUG_FS is not set
# CONFIG_HEADERS_CHECK is not set
# CONFIG_DEBUG_SECTION_MISMATCH is not set
CONFIG_DEBUG_KERNEL=y
# CONFIG_DEBUG_SHIRQ is not set
# CONFIG_LOCKUP_DETECTOR is not set
# CONFIG_HARDLOCKUP_DETECTOR is not set
CONFIG_DETECT_HUNG_TASK=y
CONFIG_DEFAULT_HUNG_TASK_TIMEOUT=120
# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set
CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0
CONFIG_SCHED_DEBUG=y
# CONFIG_SCHEDSTATS is not set
# CONFIG_TIMER_STATS is not set
# CONFIG_DEBUG_OBJECTS is not set
# CONFIG_DEBUG_SLAB is not set
# CONFIG_DEBUG_KMEMLEAK is not set
CONFIG_DEBUG_PREEMPT=y
# CONFIG_DEBUG_RT_MUTEXES is not set
# CONFIG_RT_MUTEX_TESTER is not set
# CONFIG_DEBUG_SPINLOCK is not set
# CONFIG_DEBUG_MUTEXES is not set
# CONFIG_DEBUG_LOCK_ALLOC is not set
# CONFIG_PROVE_LOCKING is not set
# CONFIG_SPARSE_RCU_POINTER is not set
# CONFIG_LOCK_STAT is not set
# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
# CONFIG_DEBUG_STACK_USAGE is not set
# CONFIG_DEBUG_KOBJECT is not set
# CONFIG_DEBUG_BUGVERBOSE is not set
# CONFIG_DEBUG_INFO is not set
# CONFIG_DEBUG_VM is not set
# CONFIG_DEBUG_WRITECOUNT is not set
# CONFIG_DEBUG_MEMORY_INIT is not set
# CONFIG_DEBUG_LIST is not set
# CONFIG_TEST_LIST_SORT is not set
# CONFIG_DEBUG_SG is not set
# CONFIG_DEBUG_NOTIFIERS is not set
# CONFIG_DEBUG_CREDENTIALS is not set
# CONFIG_BOOT_PRINTK_DELAY is not set
# CONFIG_RCU_TORTURE_TEST is not set
# CONFIG_BACKTRACE_SELF_TEST is not set
# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
# CONFIG_FAULT_INJECTION is not set
# CONFIG_LATENCYTOP is not set
# CONFIG_SYSCTL_SYSCALL_CHECK is not set
# CONFIG_DEBUG_PAGEALLOC is not set
CONFIG_HAVE_FUNCTION_TRACER=y
CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
CONFIG_HAVE_DYNAMIC_FTRACE=y
CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
CONFIG_HAVE_C_RECORDMCOUNT=y
CONFIG_TRACING_SUPPORT=y
# CONFIG_FTRACE is not set
# CONFIG_DMA_API_DEBUG is not set
# CONFIG_ATOMIC64_SELFTEST is not set
# CONFIG_SAMPLES is not set
CONFIG_HAVE_ARCH_KGDB=y
# CONFIG_KGDB is not set
# CONFIG_TEST_KSTRTOX is not set
# CONFIG_STRICT_DEVMEM is not set
CONFIG_ARM_UNWIND=y
CONFIG_DEBUG_USER=y
CONFIG_DEBUG_LL=y
# CONFIG_EARLY_PRINTK is not set
# CONFIG_DEBUG_ICEDCC is not set
# CONFIG_OC_ETM is not set
#
# Security options
#
# CONFIG_KEYS is not set
# CONFIG_SECURITY_DMESG_RESTRICT is not set
# CONFIG_SECURITY is not set
# CONFIG_SECURITYFS is not set
CONFIG_DEFAULT_SECURITY_DAC=y
CONFIG_DEFAULT_SECURITY=""
CONFIG_CRYPTO=y
#
# Crypto core or helper
#
CONFIG_CRYPTO_ALGAPI=y
CONFIG_CRYPTO_ALGAPI2=y
CONFIG_CRYPTO_AEAD2=y
CONFIG_CRYPTO_BLKCIPHER=y
CONFIG_CRYPTO_BLKCIPHER2=y
CONFIG_CRYPTO_HASH2=y
CONFIG_CRYPTO_RNG2=y
CONFIG_CRYPTO_PCOMP2=y
CONFIG_CRYPTO_MANAGER=y
CONFIG_CRYPTO_MANAGER2=y
CONFIG_CRYPTO_MANAGER_DISABLE_TESTS=y
# CONFIG_CRYPTO_GF128MUL is not set
# CONFIG_CRYPTO_NULL is not set
CONFIG_CRYPTO_WORKQUEUE=y
# CONFIG_CRYPTO_CRYPTD is not set
# CONFIG_CRYPTO_AUTHENC is not set
# CONFIG_CRYPTO_TEST is not set
#
# Authenticated Encryption with Associated Data
#
# CONFIG_CRYPTO_CCM is not set
# CONFIG_CRYPTO_GCM is not set
# CONFIG_CRYPTO_SEQIV is not set
#
# Block modes
#
# CONFIG_CRYPTO_CBC is not set
# CONFIG_CRYPTO_CTR is not set
# CONFIG_CRYPTO_CTS is not set
CONFIG_CRYPTO_ECB=y
# CONFIG_CRYPTO_LRW is not set
# CONFIG_CRYPTO_PCBC is not set
# CONFIG_CRYPTO_XTS is not set
#
# Hash modes
#
# CONFIG_CRYPTO_HMAC is not set
# CONFIG_CRYPTO_XCBC is not set
# CONFIG_CRYPTO_VMAC is not set
#
# Digest
#
# CONFIG_CRYPTO_CRC32C is not set
# CONFIG_CRYPTO_GHASH is not set
# CONFIG_CRYPTO_MD4 is not set
# CONFIG_CRYPTO_MD5 is not set
# CONFIG_CRYPTO_MICHAEL_MIC is not set
# CONFIG_CRYPTO_RMD128 is not set
# CONFIG_CRYPTO_RMD160 is not set
# CONFIG_CRYPTO_RMD256 is not set
# CONFIG_CRYPTO_RMD320 is not set
# CONFIG_CRYPTO_SHA1 is not set
# CONFIG_CRYPTO_SHA256 is not set
# CONFIG_CRYPTO_SHA512 is not set
# CONFIG_CRYPTO_TGR192 is not set
# CONFIG_CRYPTO_WP512 is not set
#
# Ciphers
#
CONFIG_CRYPTO_AES=y
# CONFIG_CRYPTO_ANUBIS is not set
CONFIG_CRYPTO_ARC4=y
# CONFIG_CRYPTO_BLOWFISH is not set
# CONFIG_CRYPTO_CAMELLIA is not set
# CONFIG_CRYPTO_CAST5 is not set
# CONFIG_CRYPTO_CAST6 is not set
# CONFIG_CRYPTO_DES is not set
# CONFIG_CRYPTO_FCRYPT is not set
# CONFIG_CRYPTO_KHAZAD is not set
# CONFIG_CRYPTO_SALSA20 is not set
# CONFIG_CRYPTO_SEED is not set
# CONFIG_CRYPTO_SERPENT is not set
# CONFIG_CRYPTO_TEA is not set
# CONFIG_CRYPTO_TWOFISH is not set
#
# Compression
#
CONFIG_CRYPTO_DEFLATE=y
# CONFIG_CRYPTO_ZLIB is not set
CONFIG_CRYPTO_LZO=y
#
# Random Number Generation
#
# CONFIG_CRYPTO_ANSI_CPRNG is not set
# CONFIG_CRYPTO_USER_API_HASH is not set
# CONFIG_CRYPTO_USER_API_SKCIPHER is not set
CONFIG_CRYPTO_HW=y
# CONFIG_BINARY_PRINTF is not set
#
# Library routines
#
CONFIG_BITREVERSE=y
CONFIG_CRC_CCITT=m
CONFIG_CRC16=y
# CONFIG_CRC_T10DIF is not set
CONFIG_CRC_ITU_T=m
CONFIG_CRC32=y
# CONFIG_CRC7 is not set
# CONFIG_LIBCRC32C is not set
CONFIG_ZLIB_INFLATE=y
CONFIG_ZLIB_DEFLATE=y
CONFIG_LZO_COMPRESS=y
CONFIG_LZO_DECOMPRESS=y
# CONFIG_XZ_DEC is not set
# CONFIG_XZ_DEC_BCJ is not set
CONFIG_DECOMPRESS_GZIP=y
CONFIG_HAS_IOMEM=y
CONFIG_HAS_IOPORT=y
CONFIG_HAS_DMA=y
CONFIG_NLATTR=y
CONFIG_GENERIC_ATOMIC64=y
CONFIG_AVERAGE=y
====================================================================
diff of .config between 3.0.38 and 3.2.57
2,3c2,3
< # Automatically generated make config: don't edit
< # Linux/arm 3.0.38 Kernel Configuration
---
> # Automatically generated file; DO NOT EDIT.
> # Linux/arm 3.2.57 Kernel Configuration
7a8
> CONFIG_GENERIC_CLOCKEVENTS=y
22a24,25
> CONFIG_PHYS_OFFSET=0x0
> CONFIG_GENERIC_BUG=y
63,64d65
< # CONFIG_TREE_PREEMPT_RCU is not set
< # CONFIG_TINY_RCU is not set
147a149
> # CONFIG_BLK_DEV_BSGLIB is not set
199c201
< CONFIG_ARCH_MYSOC=y
---
> # CONFIG_ARCH_HIGHBANK is not set
202a205
> # CONFIG_ARCH_PRIMA2 is not set
218d220
< # CONFIG_ARCH_LOKI is not set
225d226
< # CONFIG_ARCH_NUC93X is not set
226a228
> # CONFIG_ARCH_PICOXCELL is not set
238c240
< # CONFIG_ARCH_EXYNOS4 is not set
---
> # CONFIG_ARCH_EXYNOS is not set
246a249
> CONFIG_ARCH_MYSOC=y
247a251
> # CONFIG_ARCH_ZYNQ is not set
286a291,293
> # CONFIG_NO_HZ is not set
> # CONFIG_HIGH_RES_TIMERS is not set
> CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
293a301
> CONFIG_PREEMPT_COUNT=y
356,357c364
< CONFIG_HAVE_AOUT=y
< CONFIG_BINFMT_AOUT=y
---
> # CONFIG_HAVE_AOUT is not set
365a373
> # CONFIG_ARM_CPU_SUSPEND is not set
469a478
> # CONFIG_NFC is not set
509,510d517
< CONFIG_HAVE_IDE=y
< # CONFIG_IDE is not set
523c530
< # CONFIG_DUMMY is not set
---
> CONFIG_NET_CORE=y
525c532
< # CONFIG_MACVLAN is not set
---
> # CONFIG_DUMMY is not set
526a534,538
> CONFIG_MII=y
> # CONFIG_MACVLAN is not set
> # CONFIG_NETCONSOLE is not set
> # CONFIG_NETPOLL is not set
> # CONFIG_NET_POLL_CONTROLLER is not set
529c541,570
< CONFIG_MII=y
---
>
> #
> # CAIF transport drivers
> #
> CONFIG_ETHERNET=y
> CONFIG_NET_VENDOR_BROADCOM=y
> # CONFIG_B44 is not set
> CONFIG_NET_VENDOR_CHELSIO=y
> # CONFIG_DM9000 is not set
> # CONFIG_DNET is not set
> CONFIG_NET_VENDOR_FARADAY=y
> # CONFIG_FTMAC100 is not set
> # CONFIG_FTGMAC100 is not set
> CONFIG_NET_VENDOR_INTEL=y
> CONFIG_NET_VENDOR_I825XX=y
> CONFIG_NET_VENDOR_MARVELL=y
> CONFIG_NET_VENDOR_MICREL=y
> # CONFIG_KS8851_MLL is not set
> CONFIG_NET_VENDOR_NATSEMI=y
> CONFIG_NET_VENDOR_8390=y
> # CONFIG_AX88796 is not set
> # CONFIG_ETHOC is not set
> CONFIG_NET_VENDOR_SEEQ=y
> # CONFIG_SEEQ8005 is not set
> CONFIG_NET_VENDOR_SMSC=y
> # CONFIG_SMC91X is not set
> # CONFIG_SMC911X is not set
> # CONFIG_SMSC911X is not set
> CONFIG_NET_VENDOR_MYSOC=y
> CONFIG_MYNIC_ETH=y
551,554c592,602
< # CONFIG_NET_ETHERNET is not set
< CONFIG_NETDEV_1000=y
< CONFIG_MYNIC_ETH=y
< # CONFIG_NETDEV_10000 is not set
---
> CONFIG_PPP=m
> CONFIG_PPP_BSDCOMP=m
> CONFIG_PPP_DEFLATE=m
> # CONFIG_PPP_FILTER is not set
> # CONFIG_PPP_MPPE is not set
> # CONFIG_PPP_MULTILINK is not set
> CONFIG_PPPOE=m
> CONFIG_PPP_ASYNC=m
> CONFIG_PPP_SYNC_TTY=m
> # CONFIG_SLIP is not set
> CONFIG_SLHC=m
567d614
< # CONFIG_RTL8192SE is not set
576,593d622
<
< #
< # CAIF transport drivers
< #
< CONFIG_PPP=m
< # CONFIG_PPP_MULTILINK is not set
< # CONFIG_PPP_FILTER is not set
< CONFIG_PPP_ASYNC=m
< CONFIG_PPP_SYNC_TTY=m
< CONFIG_PPP_DEFLATE=m
< CONFIG_PPP_BSDCOMP=m
< # CONFIG_PPP_MPPE is not set
< CONFIG_PPPOE=m
< # CONFIG_SLIP is not set
< CONFIG_SLHC=m
< # CONFIG_NETCONSOLE is not set
< # CONFIG_NETPOLL is not set
< # CONFIG_NET_POLL_CONTROLLER is not set
712c741,749
< # CONFIG_MFD_SUPPORT is not set
---
>
> #
> # Multifunction device drivers
> #
> # CONFIG_MFD_CORE is not set
> # CONFIG_MFD_SM501 is not set
> # CONFIG_HTC_PASIC3 is not set
> # CONFIG_MFD_TMIO is not set
> # CONFIG_ABX500_CORE is not set
740d776
< # CONFIG_NFC_DEVICES is not set
746a783,788
>
> #
> # Virtio drivers
> #
> # CONFIG_VIRTIO_BALLOON is not set
> # CONFIG_VIRTIO_MMIO is not set
749a792,798
> # Hardware Spinlock drivers
> #
> # CONFIG_IOMMU_SUPPORT is not set
> # CONFIG_VIRT_DRIVERS is not set
> # CONFIG_PM_DEVFREQ is not set
>
> #
818a868
> CONFIG_SQUASHFS_ZLIB=y
820a871
> # CONFIG_SQUASHFS_4K_DEVBLK_SIZE is not set
948c999
< # CONFIG_DEBUG_SPINLOCK_SLEEP is not set
---
> # CONFIG_DEBUG_ATOMIC_SLEEP is not set
988c1039
< # CONFIG_EARLY_PRINTK is not set
---
> CONFIG_DEBUG_LL_UART_NONE=y
990c1041,1043
< # CONFIG_OC_ETM is not set
---
> # CONFIG_DEBUG_MYSOC_UART is not set
> CONFIG_DEBUG_MYSOC_UART_PORT=0
> # CONFIG_EARLY_PRINTK is not set
1015a1069
> # CONFIG_CRYPTO_USER is not set
1112a1167
> # CONFIG_CRC8 is not set
1125a1181
> # CONFIG_CORDIC is not set
====================================================================
diff of .config between 3.2.57 and 3.4.88
3c3
< # Linux/arm 3.2.57 Kernel Configuration
---
> # Linux/arm 3.4.88 Kernel Configuration
39a40
> CONFIG_HAVE_KERNEL_XZ=y
42a44
> # CONFIG_KERNEL_XZ is not set
59d60
< CONFIG_HAVE_SPARSE_IRQ=y
61d61
< # CONFIG_SPARSE_IRQ is not set
68d67
< # CONFIG_RCU_TRACE is not set
73a73
> # CONFIG_CHECKPOINT_RESTORE is not set
127a128
> # CONFIG_JUMP_LABEL is not set
131a133
> CONFIG_HAVE_ARCH_JUMP_LABEL=y
152a155,176
> # Partition Types
> #
> CONFIG_PARTITION_ADVANCED=y
> # CONFIG_ACORN_PARTITION is not set
> # CONFIG_OSF_PARTITION is not set
> # CONFIG_AMIGA_PARTITION is not set
> # CONFIG_ATARI_PARTITION is not set
> # CONFIG_MAC_PARTITION is not set
> CONFIG_MSDOS_PARTITION=y
> # CONFIG_BSD_DISKLABEL is not set
> # CONFIG_MINIX_SUBPARTITION is not set
> # CONFIG_SOLARIS_X86_PARTITION is not set
> # CONFIG_UNIXWARE_DISKLABEL is not set
> # CONFIG_LDM_PARTITION is not set
> # CONFIG_SGI_PARTITION is not set
> # CONFIG_ULTRIX_PARTITION is not set
> # CONFIG_SUN_PARTITION is not set
> # CONFIG_KARMA_PARTITION is not set
> # CONFIG_EFI_PARTITION is not set
> # CONFIG_SYSV68_PARTITION is not set
>
> #
166c190
< # CONFIG_INLINE_SPIN_UNLOCK is not set
---
> CONFIG_UNINLINE_SPIN_UNLOCK=y
235c259
< # CONFIG_ARCH_S3C2410 is not set
---
> # CONFIG_ARCH_S3C24XX is not set
242d265
< # CONFIG_ARCH_TCC_926 is not set
248d270
< # CONFIG_PLAT_SPEAR is not set
249a272
> # CONFIG_PLAT_SPEAR is not set
273a297
> # CONFIG_ARCH_PHYS_ADDR_T_64BIT is not set
278a303
> # CONFIG_CACHE_L2X0 is not set
279a305
> CONFIG_ARM_NR_BANKS=8
297a324
> CONFIG_ARCH_NR_GPIO=0
363a391
> CONFIG_ARCH_BINFMT_ELF_RANDOMIZE_PIE=y
380a409
> # CONFIG_UNIX_DIAG is not set
409a439
> # CONFIG_INET_UDP_DIAG is not set
439a470,473
> # CONFIG_OPENVSWITCH is not set
> CONFIG_BQL=y
> CONFIG_HAVE_BPF_JIT=y
> # CONFIG_BPF_JIT is not set
497a532,533
> # CONFIG_GENERIC_CPU_DEVICES is not set
> # CONFIG_DMA_SHARED_BUFFER is not set
515a552,555
>
> #
> # Misc devices
> #
517c557,571
< # CONFIG_MISC_DEVICES is not set
---
> # CONFIG_ENCLOSURE_SERVICES is not set
> # CONFIG_C2PORT is not set
>
> #
> # EEPROM support
> #
> # CONFIG_EEPROM_93CX6 is not set
>
> #
> # Texas Instruments shared transport line discipline
> #
>
> #
> # Altera FPGA firmware download module
> #
534a589
> # CONFIG_NET_TEAM is not set
547a603
> # CONFIG_NET_CALXEDA_XGMAC is not set
548a605,606
> CONFIG_NET_VENDOR_CIRRUS=y
> # CONFIG_CS89x0 is not set
575a634
> # CONFIG_AMD_PHY is not set
608a668
> # CONFIG_BRCMFMAC is not set
624d683
< # CONFIG_PHONE is not set
706a766
> # CONFIG_HSI is not set
759a820
> # CONFIG_EXYNOS_VIDEO is not set
763,767d823
< # Display device support
< #
< # CONFIG_DISPLAY_SUPPORT is not set
<
< #
772a829,831
> # CONFIG_USB_ARCH_HAS_OHCI is not set
> # CONFIG_USB_ARCH_HAS_EHCI is not set
> # CONFIG_USB_ARCH_HAS_XHCI is not set
788a848,851
>
> #
> # Microsoft Hyper-V guest support
> #
794a858,865
>
> #
> # Remoteproc drivers (EXPERIMENTAL)
> #
>
> #
> # Rpmsg drivers (EXPERIMENTAL)
> #
878a950
> # CONFIG_QNX6FS_FS is not set
893a966
> # CONFIG_SUNRPC_DEBUG is not set
899,920d971
<
< #
< # Partition Types
< #
< CONFIG_PARTITION_ADVANCED=y
< # CONFIG_ACORN_PARTITION is not set
< # CONFIG_OSF_PARTITION is not set
< # CONFIG_AMIGA_PARTITION is not set
< # CONFIG_ATARI_PARTITION is not set
< # CONFIG_MAC_PARTITION is not set
< CONFIG_MSDOS_PARTITION=y
< # CONFIG_BSD_DISKLABEL is not set
< # CONFIG_MINIX_SUBPARTITION is not set
< # CONFIG_SOLARIS_X86_PARTITION is not set
< # CONFIG_UNIXWARE_DISKLABEL is not set
< # CONFIG_LDM_PARTITION is not set
< # CONFIG_SGI_PARTITION is not set
< # CONFIG_ULTRIX_PARTITION is not set
< # CONFIG_SUN_PARTITION is not set
< # CONFIG_KARMA_PARTITION is not set
< # CONFIG_EFI_PARTITION is not set
< # CONFIG_SYSV68_PARTITION is not set
1014a1066
> # CONFIG_RCU_TRACE is not set
1020d1071
< # CONFIG_SYSCTL_SYSCALL_CHECK is not set
1038a1090
> # CONFIG_DEBUG_MYSOC_UART is not set
1041c1093
< # CONFIG_DEBUG_MYSOC_UART is not set
---
> # CONFIG_DEBUG_SEMIHOSTING is not set
1159a1212,1213
> CONFIG_GENERIC_PCI_IOMAP=y
> CONFIG_GENERIC_IO=y
1164a1219,1223
> # CONFIG_CRC32_SELFTEST is not set
> CONFIG_CRC32_SLICEBY8=y
> # CONFIG_CRC32_SLICEBY4 is not set
> # CONFIG_CRC32_SARWATE is not set
> # CONFIG_CRC32_BIT is not set
1177a1237
> CONFIG_DQL=y
====================================================================
diff of .config between 3.4.88 and 3.5.
3c3
< # Linux/arm 3.4.88 Kernel Configuration
---
> # Linux/arm 3.5.0 Kernel Configuration
7,9d6
< # CONFIG_ARCH_USES_GETTIMEOFFSET is not set
< CONFIG_GENERIC_CLOCKEVENTS=y
< CONFIG_KTIME_SCALAR=y
15,16d11
< CONFIG_HARDIRQS_SW_RESEND=y
< CONFIG_GENERIC_IRQ_PROBE=y
18d12
< CONFIG_ARCH_HAS_CPU_IDLE_WAIT=y
60a55
> CONFIG_GENERIC_IRQ_PROBE=y
61a57,66
> CONFIG_HARDIRQS_SW_RESEND=y
> CONFIG_KTIME_SCALAR=y
> CONFIG_GENERIC_CLOCKEVENTS=y
> CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
>
> #
> # Timers subsystem
> #
> # CONFIG_NO_HZ is not set
> # CONFIG_HIGH_RES_TIMERS is not set
77d81
< # CONFIG_USER_NS is not set
119d122
< # CONFIG_PERF_COUNTERS is not set
130a134,136
> CONFIG_HAVE_ARCH_TRACEHOOK=y
> CONFIG_HAVE_DMA_ATTRS=y
> CONFIG_GENERIC_SMP_IDLE_THREAD=y
240,241d245
< # CONFIG_ARCH_IXP23XX is not set
< # CONFIG_ARCH_IXP2000 is not set
277,280d280
< # System MMU
< #
<
< #
317,319d316
< # CONFIG_NO_HZ is not set
< # CONFIG_HIGH_RES_TIMERS is not set
< CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
348a346
> CONFIG_CROSS_MEMORY_ATTACH=y
392c390,391
< # CONFIG_HAVE_AOUT is not set
---
> CONFIG_HAVE_AOUT=y
> # CONFIG_BINFMT_AOUT is not set
463d461
< # CONFIG_ECONET is not set
472d469
< CONFIG_HAVE_BPF_JIT=y
512a510
> CONFIG_HAVE_BPF_JIT=y
628a627,629
> CONFIG_NET_VENDOR_WIZNET=y
> # CONFIG_WIZNET_W5100 is not set
> # CONFIG_WIZNET_W5300 is not set
675,676c676
< # CONFIG_WL1251 is not set
< # CONFIG_WL12XX_MENU is not set
---
> # CONFIG_WL_TI is not set
691a692
> # CONFIG_INPUT_MATRIXKMAP is not set
763d763
< # CONFIG_RAMOOPS is not set
783a784
> CONFIG_ARCH_HAVE_CUSTOM_GPIO_H=y
828c829,839
< # CONFIG_HID_SUPPORT is not set
---
>
> #
> # HID support
> #
> CONFIG_HID=y
> # CONFIG_HIDRAW is not set
> CONFIG_HID_GENERIC=y
>
> #
> # Special HID drivers
> #
867a879,881
> # CONFIG_EXTCON is not set
> # CONFIG_MEMORY is not set
> # CONFIG_IIO is not set
956a971
> CONFIG_NFS_V2=y
1010a1026,1036
> # CONFIG_NLS_MAC_ROMAN is not set
> # CONFIG_NLS_MAC_CELTIC is not set
> # CONFIG_NLS_MAC_CENTEURO is not set
> # CONFIG_NLS_MAC_CROATIAN is not set
> # CONFIG_NLS_MAC_CYRILLIC is not set
> # CONFIG_NLS_MAC_GAELIC is not set
> # CONFIG_NLS_MAC_GREEK is not set
> # CONFIG_NLS_MAC_ICELAND is not set
> # CONFIG_NLS_MAC_INUIT is not set
> # CONFIG_NLS_MAC_ROMANIAN is not set
> # CONFIG_NLS_MAC_TURKISH is not set
1022a1049
> # CONFIG_READABLE_ASM is not set
1030a1058,1059
> # CONFIG_PANIC_ON_OOPS is not set
> CONFIG_PANIC_ON_OOPS_VALUE=0
1241a1271
> # CONFIG_DDR is not set
====================================================================
diff of .config between 3.5 and 3.6.
3c3
< # Linux/arm 3.5.0 Kernel Configuration
---
> # Linux/arm 3.6.0 Kernel Configuration
135a136
> CONFIG_HAVE_DMA_CONTIGUOUS=y
139a141
> CONFIG_ARCH_WANT_IPC_PARSE_VERSION=y
224a227
> # CONFIG_ARCH_SOCFPGA is not set
246a250
> # CONFIG_ARCH_MVEBU is not set
374a379
> # CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED is not set
426a432
> # CONFIG_NET_IPVTI is not set
489a496
> # CONFIG_CFG80211_CERTIFICATION_ONUS is not set
493d499
< CONFIG_WIRELESS_EXT_SYSFS=y
502a509
> # CONFIG_MAC80211_MESSAGE_TRACING is not set
531a539
> # CONFIG_CMA is not set
643a652
> # CONFIG_BCM87XX_PHY is not set
786a796
> # CONFIG_POWER_AVS is not set
834a845
> # CONFIG_UHID is not set
847a859
> # CONFIG_EDAC is not set
881a894
> # CONFIG_PWM is not set
974a988
> # CONFIG_NFS_SWAP is not set
1098a1113
> # CONFIG_NOTIFIER_ERROR_INJECTION is not set
1240a1256,1257
> CONFIG_GENERIC_STRNCPY_FROM_USER=y
> CONFIG_GENERIC_STRNLEN_USER=y
1268a1286
> CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE=y
--
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