ramdisk: make adb insecure by default
tspdrv: reduce log spam
ramdisk: more tweaks
staging: android: ashmem: Avoid deadlock with mmap/shrink

Both ashmem_mmap and ashmem_shrink take the ashmem_lock. It may
be possible for ashmem_mmap to invoke ashmem_shrink:

-000|mutex_lock(lock = 0x0)
-001|ashmem_shrink(?, sc = 0x0) <--- try to take ashmem_mutex again
-002|shrink_slab(shrink = 0xDA5F1CC0, nr_pages_scanned = 0, lru_pages
-002|=
-002|124)
-003|try_to_free_pages(zonelist = 0x0, ?, ?, ?)
-004|__alloc_pages_nodemask(gfp_mask = 21200, order = 1, zonelist =
-004|0xC11D0940,
-005|new_slab(s = 0xE4841E80, ?, node = -1)
-006|__slab_alloc.isra.43.constprop.50(s = 0xE4841E80, gfpflags =
-006|2148925462, ad
-007|kmem_cache_alloc(s = 0xE4841E80, gfpflags = 208)
-008|shmem_alloc_inode(?)
-009|alloc_inode(sb = 0xE480E800)
-010|new_inode_pseudo(?)
-011|new_inode(?)
-012|shmem_get_inode(sb = 0xE480E800, dir = 0x0, ?, dev = 0, flags =
-012|187)
-013|shmem_file_setup(?, ?, flags = 187)
-014|ashmem_mmap(?, vma = 0xC5D64210) <---- Acquire ashmem_mutex
-015|mmap_region(file = 0xDF8E2C00, addr = 1772974080, len = 233472,
-015|flags = 57,
-016|sys_mmap_pgoff(addr = 0, len = 230400, prot = 3, flags = 1, fd =
-016|157, pgoff
-017|ret_fast_syscall(asm)
-->|exception
-018|NUR:0x40097508(asm)
---|end of frame

Avoid this deadlock by using mutex_trylock in ashmem_shrink; if the mutex
is already held, do not attempt to shrink.

Change-Id: I222bbf55856d5849da813b730de0636c80966c8e
CRs-Fixed: 608832
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
defconfig: disable CONFIG_SEC_DEBUG and fix build
Revert "defconfig: disable CONFIG_SEC_DEBUG and fix build"

This reverts commit 31b748276b3344f9242bef003f31672acf0cfeab.
random: remove warning
deadline: Allow 0ms deadline latency, increase the read speed

Change a timer compare from after to after-equals, thus allowing
0 timeout and making deadline schedule FIFO.

Signed-off-by: xiaobing tu <xiaobing.tu@intel.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
random: prevent add_input from doing anything
Linux 3.4.1

Conflicts:

	drivers/mmc/core/cd-gpio.c
	drivers/usb/host/xhci.h

Conflicts:

	arch/arm/boot/dts/tegra-cardhu.dts
	arch/um/include/asm/pgtable.h

Conflicts:

	arch/powerpc/kernel/idle.c
	arch/s390/mm/fault.c
	arch/sparc/Kconfig
	arch/sparc/kernel/systbls_64.S
	arch/tile/include/asm/bitops.h
	drivers/usb/host/xhci.h