projects/RPi/linux: optimize kernel config, add bluetooth support, add zram, zcache and filesystem cache support

Signed-off-by: Stephan Raue <stephan@openelec.tv>

projects/RPi/linux/linux.arm.conf

@@ -63,7 +63,9 @@ CONFIG_GENERIC_IRQ_SHOW=y
 #
 # RCU Subsystem
 #
+# CONFIG_TREE_PREEMPT_RCU is not set
 CONFIG_TINY_RCU=y
+# CONFIG_TINY_PREEMPT_RCU is not set
 # CONFIG_PREEMPT_RCU is not set
 # CONFIG_RCU_TRACE is not set
 # CONFIG_TREE_RCU_TRACE is not set
@@ -96,8 +98,7 @@ CONFIG_RD_GZIP=y
 # CONFIG_RD_LZO is not set
 CONFIG_INITRAMFS_COMPRESSION_NONE=y
 # CONFIG_INITRAMFS_COMPRESSION_GZIP is not set
-# CONFIG_INITRAMFS_COMPRESSION_XZ is not set
+# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 CONFIG_SYSCTL=y
 CONFIG_ANON_INODES=y
 CONFIG_EXPERT=y
@@ -165,39 +166,39 @@ CONFIG_IOSCHED_NOOP=y
 CONFIG_IOSCHED_DEADLINE=y
 CONFIG_IOSCHED_CFQ=y
 # CONFIG_DEFAULT_DEADLINE is not set
-CONFIG_DEFAULT_CFQ=y
+# CONFIG_DEFAULT_CFQ is not set
-# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_NOOP=y
-CONFIG_DEFAULT_IOSCHED="cfq"
+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=y
+# CONFIG_INLINE_SPIN_UNLOCK is not set
 # CONFIG_INLINE_SPIN_UNLOCK_BH is not set
-CONFIG_INLINE_SPIN_UNLOCK_IRQ=y
+# 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=y
+# CONFIG_INLINE_READ_UNLOCK is not set
 # CONFIG_INLINE_READ_UNLOCK_BH is not set
-CONFIG_INLINE_READ_UNLOCK_IRQ=y
+# 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=y
+# CONFIG_INLINE_WRITE_UNLOCK is not set
 # CONFIG_INLINE_WRITE_UNLOCK_BH is not set
-CONFIG_INLINE_WRITE_UNLOCK_IRQ=y
+# 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=y
+# CONFIG_FREEZER is not set
 
 #
 # System Type
@@ -322,8 +323,9 @@ CONFIG_VMSPLIT_3G=y
 # CONFIG_VMSPLIT_1G is not set
 CONFIG_PAGE_OFFSET=0xC0000000
 # CONFIG_PREEMPT_NONE is not set
-CONFIG_PREEMPT_VOLUNTARY=y
+# CONFIG_PREEMPT_VOLUNTARY is not set
-# CONFIG_PREEMPT is not set
+CONFIG_PREEMPT=y
+CONFIG_PREEMPT_COUNT=y
 CONFIG_HZ=100
 CONFIG_AEABI=y
 # CONFIG_OABI_COMPAT is not set
@@ -346,7 +348,7 @@ 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_CLEANCACHE=y
 CONFIG_FORCE_MAX_ZONEORDER=11
 CONFIG_ALIGNMENT_TRAP=y
 # CONFIG_UACCESS_WITH_MEMCPY is not set
@@ -365,10 +367,9 @@ CONFIG_CMDLINE="dwc_otg.lpm_enable=0 root=/dev/ram0 rdinit=/init BOOT_IMAGE=/ker
 CONFIG_CMDLINE_EXTEND=y
 # CONFIG_CMDLINE_FORCE is not set
 # CONFIG_XIP_KERNEL is not set
-CONFIG_KEXEC=y
+# CONFIG_KEXEC is not set
-CONFIG_ATAGS_PROC=y
 # CONFIG_CRASH_DUMP is not set
-CONFIG_AUTO_ZRELADDR=y
+# CONFIG_AUTO_ZRELADDR is not set
 
 #
 # CPU Power Management
@@ -397,14 +398,8 @@ CONFIG_HAVE_AOUT=y
 #
 # Power management options
 #
-CONFIG_SUSPEND=y
+# CONFIG_SUSPEND is not set
-CONFIG_SUSPEND_FREEZER=y
+# CONFIG_PM_RUNTIME is not set
-CONFIG_PM_SLEEP=y
-CONFIG_PM_RUNTIME=y
-CONFIG_PM=y
-# CONFIG_PM_DEBUG is not set
-CONFIG_APM_EMULATION=y
-CONFIG_PM_CLK=y
 CONFIG_ARCH_SUSPEND_POSSIBLE=y
 CONFIG_NET=y
 
@@ -484,7 +479,28 @@ CONFIG_NET_PKTGEN=m
 # CONFIG_HAMRADIO is not set
 # CONFIG_CAN is not set
 # CONFIG_IRDA is not set
-# CONFIG_BT is not set
+CONFIG_BT=y
+CONFIG_BT_L2CAP=y
+CONFIG_BT_SCO=y
+CONFIG_BT_RFCOMM=m
+CONFIG_BT_RFCOMM_TTY=y
+CONFIG_BT_BNEP=m
+CONFIG_BT_BNEP_MC_FILTER=y
+CONFIG_BT_BNEP_PROTO_FILTER=y
+CONFIG_BT_HIDP=m
+
+#
+# Bluetooth device drivers
+#
+CONFIG_BT_HCIBTUSB=m
+# CONFIG_BT_HCIBTSDIO is not set
+# CONFIG_BT_HCIUART is not set
+CONFIG_BT_HCIBCM203X=m
+CONFIG_BT_HCIBPA10X=m
+CONFIG_BT_HCIBFUSB=m
+# CONFIG_BT_HCIVHCI is not set
+# CONFIG_BT_MRVL is not set
+CONFIG_BT_ATH3K=m
 # CONFIG_AF_RXRPC is not set
 CONFIG_WIRELESS=y
 CONFIG_WIRELESS_EXT=y
@@ -648,28 +664,7 @@ CONFIG_NETDEVICES=y
 CONFIG_TUN=y
 # CONFIG_VETH is not set
 CONFIG_MII=y
-CONFIG_PHYLIB=y
+# CONFIG_PHYLIB is not set
-
-#
-# 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 is not set
-# CONFIG_ICPLUS_PHY is not set
-# CONFIG_REALTEK_PHY is not set
-# 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=m
-# CONFIG_MDIO_GPIO is not set
 # CONFIG_NET_ETHERNET is not set
 # CONFIG_NETDEV_1000 is not set
 # CONFIG_NETDEV_10000 is not set
@@ -746,7 +741,7 @@ CONFIG_USB_USBNET=y
 CONFIG_USB_NET_AX8817X=m
 # CONFIG_USB_NET_CDCETHER is not set
 # CONFIG_USB_NET_CDC_EEM is not set
-CONFIG_USB_NET_CDC_NCM=y
+# CONFIG_USB_NET_CDC_NCM is not set
 CONFIG_USB_NET_DM9601=m
 CONFIG_USB_NET_SMSC75XX=m
 CONFIG_USB_NET_SMSC95XX=y
@@ -793,7 +788,6 @@ CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
 # CONFIG_INPUT_JOYDEV is not set
 CONFIG_INPUT_EVDEV=y
 # CONFIG_INPUT_EVBUG is not set
-# CONFIG_INPUT_APMPOWER is not set
 
 #
 # Input Device Drivers
@@ -873,6 +867,7 @@ CONFIG_I2C_BOARDINFO=y
 # CONFIG_I2C_CHARDEV is not set
 # CONFIG_I2C_MUX is not set
 CONFIG_I2C_HELPER_AUTO=y
+CONFIG_I2C_ALGOBIT=m
 
 #
 # I2C Hardware Bus support
@@ -882,7 +877,7 @@ CONFIG_I2C_HELPER_AUTO=y
 # I2C system bus drivers (mostly embedded / system-on-chip)
 #
 # CONFIG_I2C_DESIGNWARE is not set
-# CONFIG_I2C_GPIO is not set
+CONFIG_I2C_GPIO=m
 # CONFIG_I2C_OCORES is not set
 # CONFIG_I2C_PCA_PLATFORM is not set
 # CONFIG_I2C_PXA_PCI is not set
@@ -1351,6 +1346,7 @@ CONFIG_HID_CHICONY=y
 CONFIG_HID_CYPRESS=y
 # CONFIG_HID_DRAGONRISE is not set
 # CONFIG_HID_EMS_FF is not set
+# CONFIG_HID_ELECOM is not set
 CONFIG_HID_EZKEY=y
 # CONFIG_HID_HOLTEK is not set
 # CONFIG_HID_KEYTOUCH is not set
@@ -1366,6 +1362,7 @@ CONFIG_LOGITECH_FF=y
 CONFIG_LOGIRUMBLEPAD2_FF=y
 CONFIG_LOGIG940_FF=y
 CONFIG_LOGIWII_FF=y
+# CONFIG_HID_MAGICMOUSE is not set
 CONFIG_HID_MICROSOFT=y
 CONFIG_HID_MONTEREY=y
 # CONFIG_HID_MULTITOUCH is not set
@@ -1385,6 +1382,8 @@ CONFIG_HID_SUNPLUS=y
 # CONFIG_HID_SMARTJOYPLUS is not set
 CONFIG_HID_TOPSEED=y
 # CONFIG_HID_THRUSTMASTER is not set
+# CONFIG_HID_WACOM is not set
+CONFIG_HID_WIIMOTE=m
 # CONFIG_HID_ZEROPLUS is not set
 CONFIG_HID_ZYDACRON=y
 CONFIG_USB_SUPPORT=y
@@ -1401,7 +1400,6 @@ CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
 # CONFIG_USB_DEVICEFS is not set
 CONFIG_USB_DEVICE_CLASS=y
 # CONFIG_USB_DYNAMIC_MINORS is not set
-# CONFIG_USB_SUSPEND is not set
 # CONFIG_USB_OTG_WHITELIST is not set
 # CONFIG_USB_OTG_BLACKLIST_HUB is not set
 CONFIG_USB_MON=m
@@ -1463,20 +1461,19 @@ CONFIG_USB_LIBUSUAL=y
 #
 # USB port drivers
 #
-CONFIG_USB_SERIAL=y
+CONFIG_USB_SERIAL=m
-# CONFIG_USB_SERIAL_CONSOLE is not set
 # CONFIG_USB_EZUSB is not set
-# CONFIG_USB_SERIAL_GENERIC is not set
+CONFIG_USB_SERIAL_GENERIC=y
 # CONFIG_USB_SERIAL_AIRCABLE is not set
 # CONFIG_USB_SERIAL_ARK3116 is not set
 # CONFIG_USB_SERIAL_BELKIN is not set
 # CONFIG_USB_SERIAL_CH341 is not set
 # CONFIG_USB_SERIAL_WHITEHEAT is not set
 # CONFIG_USB_SERIAL_DIGI_ACCELEPORT is not set
-# CONFIG_USB_SERIAL_CP210X is not set
+CONFIG_USB_SERIAL_CP210X=m
 # CONFIG_USB_SERIAL_CYPRESS_M8 is not set
 # CONFIG_USB_SERIAL_EMPEG is not set
-# CONFIG_USB_SERIAL_FTDI_SIO is not set
+CONFIG_USB_SERIAL_FTDI_SIO=m
 # CONFIG_USB_SERIAL_FUNSOFT is not set
 # CONFIG_USB_SERIAL_VISOR is not set
 # CONFIG_USB_SERIAL_IPAQ is not set
@@ -1632,8 +1629,10 @@ CONFIG_R8712U=m
 # CONFIG_USB_SERIAL_QUATECH_USB2 is not set
 CONFIG_VT6656=m
 # CONFIG_IIO is not set
-# CONFIG_XVMALLOC is not set
+CONFIG_XVMALLOC=y
-# CONFIG_ZRAM is not set
+CONFIG_ZRAM=m
+CONFIG_ZRAM_DEBUG=y
+CONFIG_ZCACHE=y
 # CONFIG_FB_SM7XX is not set
 CONFIG_LIRC_STAGING=y
 CONFIG_LIRC_IGORPLUGUSB=m
@@ -1702,7 +1701,14 @@ CONFIG_FUSE_FS=y
 #
 # Caches
 #
-# CONFIG_FSCACHE is not set
+CONFIG_FSCACHE=y
+# CONFIG_FSCACHE_STATS is not set
+# CONFIG_FSCACHE_HISTOGRAM is not set
+# CONFIG_FSCACHE_DEBUG is not set
+# CONFIG_FSCACHE_OBJECT_LIST is not set
+CONFIG_CACHEFILES=y
+# CONFIG_CACHEFILES_DEBUG is not set
+# CONFIG_CACHEFILES_HISTOGRAM is not set
 
 #
 # CD-ROM/DVD Filesystems
@@ -1769,6 +1775,7 @@ CONFIG_NFS_V3=y
 CONFIG_NFS_V4=y
 # CONFIG_NFS_V4_1 is not set
 CONFIG_ROOT_NFS=y
+CONFIG_NFS_FSCACHE=y
 # CONFIG_NFS_USE_LEGACY_DNS is not set
 CONFIG_NFS_USE_KERNEL_DNS=y
 # CONFIG_NFS_USE_NEW_IDMAPPER is not set
@@ -1787,6 +1794,7 @@ CONFIG_CIFS_STATS2=y
 # CONFIG_CIFS_XATTR is not set
 # CONFIG_CIFS_DEBUG2 is not set
 # CONFIG_CIFS_DFS_UPCALL is not set
+CONFIG_CIFS_FSCACHE=y
 # CONFIG_NCP_FS is not set
 # CONFIG_CODA_FS is not set
 # CONFIG_AFS_FS is not set
@@ -1879,6 +1887,7 @@ CONFIG_DEBUG_KERNEL=y
 # 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
@@ -2059,7 +2068,7 @@ CONFIG_LIBCRC32C=y
 # CONFIG_CRC8 is not set
 CONFIG_ZLIB_INFLATE=y
 CONFIG_ZLIB_DEFLATE=m
-CONFIG_LZO_COMPRESS=m
+CONFIG_LZO_COMPRESS=y
 CONFIG_LZO_DECOMPRESS=y
 CONFIG_XZ_DEC=y
 # CONFIG_XZ_DEC_X86 is not set