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Merge branch 'master' into for-next

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This commit is contained in:
Jiri Kosina 2011-02-15 10:24:31 +01:00
commit 0a9d59a246
2924 changed files with 85899 additions and 27321 deletions
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75
init/Kconfig
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@ -515,21 +515,6 @@ config RCU_BOOST_DELAY
Accept the default if unsure.
config SRCU_SYNCHRONIZE_DELAY
int "Microseconds to delay before waiting for readers"
range 0 20
default 10
help
This option controls how long SRCU delays before entering its
loop waiting on SRCU readers. The purpose of this loop is
to avoid the unconditional context-switch penalty that would
otherwise be incurred if there was an active SRCU reader,
in a manner similar to adaptive locking schemes. This should
be set to be a bit longer than the common-case SRCU read-side
critical-section overhead.
Accept the default if unsure.
endmenu # "RCU Subsystem"
config IKCONFIG
@ -760,8 +745,8 @@ config DEBUG_BLK_CGROUP
endif # CGROUPS
menuconfig NAMESPACES
bool "Namespaces support" if EMBEDDED
default !EMBEDDED
bool "Namespaces support" if EXPERT
default !EXPERT
help
Provides the way to make tasks work with different objects using
the same id. For example same IPC id may refer to different objects
@ -914,23 +899,31 @@ config SYSCTL
config ANON_INODES
bool
menuconfig EMBEDDED
bool "Configure standard kernel features (for small systems)"
menuconfig EXPERT
bool "Configure standard kernel features (expert users)"
help
This option allows certain base kernel options and settings
to be disabled or tweaked. This is for specialized
environments which can tolerate a "non-standard" kernel.
Only use this if you really know what you are doing.
config EMBEDDED
bool "Embedded system"
select EXPERT
help
This option should be enabled if compiling the kernel for
an embedded system so certain expert options are available
for configuration.
config UID16
bool "Enable 16-bit UID system calls" if EMBEDDED
bool "Enable 16-bit UID system calls" if EXPERT
depends on ARM || BLACKFIN || CRIS || FRV || H8300 || X86_32 || M68K || (S390 && !64BIT) || SUPERH || SPARC32 || (SPARC64 && COMPAT) || UML || (X86_64 && IA32_EMULATION)
default y
help
This enables the legacy 16-bit UID syscall wrappers.
config SYSCTL_SYSCALL
bool "Sysctl syscall support" if EMBEDDED
bool "Sysctl syscall support" if EXPERT
depends on PROC_SYSCTL
default y
select SYSCTL
@ -947,7 +940,7 @@ config SYSCTL_SYSCALL
If unsure say Y here.
config KALLSYMS
bool "Load all symbols for debugging/ksymoops" if EMBEDDED
bool "Load all symbols for debugging/ksymoops" if EXPERT
default y
help
Say Y here to let the kernel print out symbolic crash information and
@ -978,7 +971,7 @@ config KALLSYMS_EXTRA_PASS
config HOTPLUG
bool "Support for hot-pluggable devices" if EMBEDDED
bool "Support for hot-pluggable devices" if EXPERT
default y
help
This option is provided for the case where no hotplug or uevent
@ -988,7 +981,7 @@ config HOTPLUG
config PRINTK
default y
bool "Enable support for printk" if EMBEDDED
bool "Enable support for printk" if EXPERT
help
This option enables normal printk support. Removing it
eliminates most of the message strings from the kernel image
@ -997,7 +990,7 @@ config PRINTK
strongly discouraged.
config BUG
bool "BUG() support" if EMBEDDED
bool "BUG() support" if EXPERT
default y
help
Disabling this option eliminates support for BUG and WARN, reducing
@ -1008,12 +1001,12 @@ config BUG
config ELF_CORE
default y
bool "Enable ELF core dumps" if EMBEDDED
bool "Enable ELF core dumps" if EXPERT
help
Enable support for generating core dumps. Disabling saves about 4k.
config PCSPKR_PLATFORM
bool "Enable PC-Speaker support" if EMBEDDED
bool "Enable PC-Speaker support" if EXPERT
depends on ALPHA || X86 || MIPS || PPC_PREP || PPC_CHRP || PPC_PSERIES
default y
help
@ -1022,14 +1015,14 @@ config PCSPKR_PLATFORM
config BASE_FULL
default y
bool "Enable full-sized data structures for core" if EMBEDDED
bool "Enable full-sized data structures for core" if EXPERT
help
Disabling this option reduces the size of miscellaneous core
kernel data structures. This saves memory on small machines,
but may reduce performance.
config FUTEX
bool "Enable futex support" if EMBEDDED
bool "Enable futex support" if EXPERT
default y
select RT_MUTEXES
help
@ -1038,7 +1031,7 @@ config FUTEX
run glibc-based applications correctly.
config EPOLL
bool "Enable eventpoll support" if EMBEDDED
bool "Enable eventpoll support" if EXPERT
default y
select ANON_INODES
help
@ -1046,7 +1039,7 @@ config EPOLL
support for epoll family of system calls.
config SIGNALFD
bool "Enable signalfd() system call" if EMBEDDED
bool "Enable signalfd() system call" if EXPERT
select ANON_INODES
default y
help
@ -1056,7 +1049,7 @@ config SIGNALFD
If unsure, say Y.
config TIMERFD
bool "Enable timerfd() system call" if EMBEDDED
bool "Enable timerfd() system call" if EXPERT
select ANON_INODES
default y
help
@ -1066,7 +1059,7 @@ config TIMERFD
If unsure, say Y.
config EVENTFD
bool "Enable eventfd() system call" if EMBEDDED
bool "Enable eventfd() system call" if EXPERT
select ANON_INODES
default y
help
@ -1076,7 +1069,7 @@ config EVENTFD
If unsure, say Y.
config SHMEM
bool "Use full shmem filesystem" if EMBEDDED
bool "Use full shmem filesystem" if EXPERT
default y
depends on MMU
help
@ -1087,7 +1080,7 @@ config SHMEM
which may be appropriate on small systems without swap.
config AIO
bool "Enable AIO support" if EMBEDDED
bool "Enable AIO support" if EXPERT
default y
help
This option enables POSIX asynchronous I/O which may by used
@ -1164,16 +1157,16 @@ endmenu
config VM_EVENT_COUNTERS
default y
bool "Enable VM event counters for /proc/vmstat" if EMBEDDED
bool "Enable VM event counters for /proc/vmstat" if EXPERT
help
VM event counters are needed for event counts to be shown.
This option allows the disabling of the VM event counters
on EMBEDDED systems. /proc/vmstat will only show page counts
on EXPERT systems. /proc/vmstat will only show page counts
if VM event counters are disabled.
config PCI_QUIRKS
default y
bool "Enable PCI quirk workarounds" if EMBEDDED
bool "Enable PCI quirk workarounds" if EXPERT
depends on PCI
help
This enables workarounds for various PCI chipset
@ -1182,7 +1175,7 @@ config PCI_QUIRKS
config SLUB_DEBUG
default y
bool "Enable SLUB debugging support" if EMBEDDED
bool "Enable SLUB debugging support" if EXPERT
depends on SLUB && SYSFS
help
SLUB has extensive debug support features. Disabling these can
@ -1226,7 +1219,7 @@ config SLUB
a slab allocator.
config SLOB
depends on EMBEDDED
depends on EXPERT
bool "SLOB (Simple Allocator)"
help
SLOB replaces the stock allocator with a drastically simpler
@ -1237,7 +1230,7 @@ endchoice
config MMAP_ALLOW_UNINITIALIZED
bool "Allow mmapped anonymous memory to be uninitialized"
depends on EMBEDDED && !MMU
depends on EXPERT && !MMU
default n
help
Normally, and according to the Linux spec, anonymous memory obtained