linux-am335x-joel 3.1rc: disable debug options like lockdep, switch to thumb2

Original: 3.7M	/boot/uImage-3.1.0-rc3+
no debug: 3.4M	/boot/uImage-3.1.0-rc3+
thumb2:   3.2M	/boot/uImage-3.1.0-rc3+

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>

2 files changed, 27 insertions, 42 deletions

diff --git a/recipes-kernel/linux/linux-am335x-joel-3.1/defconfig b/recipes-kernel/linux/linux-am335x-joel-3.1/defconfig
index 1fd6382b..93b060dd 100644
--- a/recipes-kernel/linux/linux-am335x-joel-3.1/defconfig
+++ b/recipes-kernel/linux/linux-am335x-joel-3.1/defconfig
@@ -66,7 +66,7 @@ CONFIG_GENERIC_HARDIRQS=y
 CONFIG_HAVE_SPARSE_IRQ=y
 CONFIG_GENERIC_IRQ_SHOW=y
 CONFIG_GENERIC_IRQ_CHIP=y
-# CONFIG_SPARSE_IRQ is not set
+CONFIG_SPARSE_IRQ=y
 
 #
 # RCU Subsystem
@@ -117,7 +117,7 @@ CONFIG_SYSCTL=y
 CONFIG_ANON_INODES=y
 CONFIG_EXPERT=y
 CONFIG_UID16=y
-# CONFIG_SYSCTL_SYSCALL is not set
+CONFIG_SYSCTL_SYSCALL=y
 CONFIG_KALLSYMS=y
 CONFIG_KALLSYMS_ALL=y
 CONFIG_HOTPLUG=y
@@ -132,7 +132,7 @@ CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
 CONFIG_AIO=y
-# CONFIG_EMBEDDED is not set
+CONFIG_EMBEDDED=y
 CONFIG_HAVE_PERF_EVENTS=y
 CONFIG_PERF_USE_VMALLOC=y
 
@@ -148,11 +148,9 @@ CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
 CONFIG_PROFILING=y
-CONFIG_TRACEPOINTS=y
 CONFIG_OPROFILE=m
 CONFIG_HAVE_OPROFILE=y
-CONFIG_KPROBES=y
-CONFIG_KRETPROBES=y
+# CONFIG_KPROBES is not set
 CONFIG_HAVE_KPROBES=y
 CONFIG_HAVE_KRETPROBES=y
 CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y
@@ -198,27 +196,27 @@ CONFIG_DEFAULT_IOSCHED="cfq"
 # 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=y
 # CONFIG_INLINE_SPIN_UNLOCK_BH is not set
-# CONFIG_INLINE_SPIN_UNLOCK_IRQ is not set
+CONFIG_INLINE_SPIN_UNLOCK_IRQ=y
 # 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=y
 # CONFIG_INLINE_READ_UNLOCK_BH is not set
-# CONFIG_INLINE_READ_UNLOCK_IRQ is not set
+CONFIG_INLINE_READ_UNLOCK_IRQ=y
 # 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=y
 # CONFIG_INLINE_WRITE_UNLOCK_BH is not set
-# CONFIG_INLINE_WRITE_UNLOCK_IRQ is not set
+CONFIG_INLINE_WRITE_UNLOCK_IRQ=y
 # CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
 # CONFIG_MUTEX_SPIN_ON_OWNER is not set
 CONFIG_FREEZER=y
@@ -411,9 +409,10 @@ CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
 CONFIG_HZ=100
-# CONFIG_THUMB2_KERNEL is not set
+CONFIG_THUMB2_KERNEL=y
+CONFIG_THUMB2_AVOID_R_ARM_THM_JUMP11=y
+CONFIG_ARM_ASM_UNIFIED=y
 CONFIG_AEABI=y
-# CONFIG_OABI_COMPAT is not set
 CONFIG_ARCH_HAS_HOLES_MEMORYMODEL=y
 # CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
 # CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
@@ -425,7 +424,7 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_HAVE_MEMBLOCK=y
 CONFIG_PAGEFLAGS_EXTENDED=y
-CONFIG_SPLIT_PTLOCK_CPUS=999999
+CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_COMPACTION is not set
 # CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
@@ -453,10 +452,9 @@ 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=y
-CONFIG_ATAGS_PROC=y
+# CONFIG_KEXEC is not set
 # CONFIG_CRASH_DUMP is not set
-# CONFIG_AUTO_ZRELADDR is not set
+CONFIG_AUTO_ZRELADDR=y
 
 #
 # CPU Power Management
@@ -707,8 +705,6 @@ CONFIG_DNS_RESOLVER=y
 # Network testing
 #
 # CONFIG_NET_PKTGEN is not set
-# CONFIG_NET_TCPPROBE is not set
-# CONFIG_NET_DROP_MONITOR is not set
 # CONFIG_HAMRADIO is not set
 # CONFIG_CAN is not set
 CONFIG_IRDA=m
@@ -3143,7 +3139,10 @@ 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 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=y
 CONFIG_TIMER_STATS=y
@@ -3152,24 +3151,18 @@ CONFIG_TIMER_STATS=y
 # CONFIG_DEBUG_KMEMLEAK is not set
 # CONFIG_DEBUG_RT_MUTEXES is not set
 # CONFIG_RT_MUTEX_TESTER is not set
-CONFIG_DEBUG_SPINLOCK=y
-CONFIG_DEBUG_MUTEXES=y
-CONFIG_DEBUG_LOCK_ALLOC=y
-CONFIG_PROVE_LOCKING=y
-# CONFIG_PROVE_RCU 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_LOCKDEP=y
 # CONFIG_LOCK_STAT is not set
-# CONFIG_DEBUG_LOCKDEP is not set
-CONFIG_TRACE_IRQFLAGS=y
 # CONFIG_DEBUG_ATOMIC_SLEEP is not set
 # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
-CONFIG_STACKTRACE=y
 # CONFIG_DEBUG_STACK_USAGE is not set
 # CONFIG_DEBUG_KOBJECT is not set
 # CONFIG_DEBUG_BUGVERBOSE is not set
-CONFIG_DEBUG_INFO=y
-# CONFIG_DEBUG_INFO_REDUCED 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
@@ -3180,7 +3173,6 @@ CONFIG_DEBUG_INFO=y
 # CONFIG_DEBUG_CREDENTIALS is not set
 # CONFIG_BOOT_PRINTK_DELAY is not set
 # CONFIG_RCU_TORTURE_TEST is not set
-# CONFIG_KPROBES_SANITY_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
@@ -3189,18 +3181,12 @@ CONFIG_DEBUG_INFO=y
 # CONFIG_LATENCYTOP is not set
 # CONFIG_SYSCTL_SYSCALL_CHECK is not set
 # CONFIG_DEBUG_PAGEALLOC is not set
-CONFIG_NOP_TRACER=y
 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_RING_BUFFER=y
-CONFIG_EVENT_TRACING=y
-CONFIG_EVENT_POWER_TRACING_DEPRECATED=y
-CONFIG_CONTEXT_SWITCH_TRACER=y
 CONFIG_RING_BUFFER_ALLOW_SWAP=y
-CONFIG_TRACING=y
 CONFIG_TRACING_SUPPORT=y
 CONFIG_FTRACE=y
 # CONFIG_FUNCTION_TRACER is not set
@@ -3212,7 +3198,6 @@ CONFIG_BRANCH_PROFILE_NONE=y
 # CONFIG_PROFILE_ALL_BRANCHES is not set
 # CONFIG_STACK_TRACER is not set
 # CONFIG_BLK_DEV_IO_TRACE is not set
-CONFIG_KPROBE_EVENT=y
 # CONFIG_RING_BUFFER_BENCHMARK is not set
 # CONFIG_DYNAMIC_DEBUG is not set
 # CONFIG_DMA_API_DEBUG is not set
@@ -3354,7 +3339,7 @@ CONFIG_CRYPTO_LZO=y
 CONFIG_CRYPTO_HW=y
 # CONFIG_CRYPTO_DEV_OMAP_SHAM is not set
 # CONFIG_CRYPTO_DEV_OMAP_AES is not set
-CONFIG_BINARY_PRINTF=y
+# CONFIG_BINARY_PRINTF is not set
 
 #
 # Library routines
diff --git a/recipes-kernel/linux/linux-am335x-joel_3.1.bb b/recipes-kernel/linux/linux-am335x-joel_3.1.bb
index 75c2553c..fe99dd23 100644
--- a/recipes-kernel/linux/linux-am335x-joel_3.1.bb
+++ b/recipes-kernel/linux/linux-am335x-joel_3.1.bb
@@ -8,7 +8,7 @@ COMPATIBLE_MACHINE = "beaglebone"
 SRCREV = "d3a2a2a1426ec59fcba80bf400e3261b2a3108c2"
 
 # The main PR is now using MACHINE_KERNEL_PR, for omap3 see conf/machine/include/omap3.inc
-MACHINE_KERNEL_PR_append = "c+gitr${SRCREV}"
+MACHINE_KERNEL_PR_append = "d+gitr${SRCREV}"
 
 SRC_URI = "git://github.com/joelagnel/linux-omap-2.6.git;branch=kernel-3.1-psp \
            file://0001-f_rndis-HACK-around-undefined-variables.patch \