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OpenCloudOS-Kernel
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Heiko Carstens e344e52c7c s390/bitops: make use of interlocked-access facility 1 instructions 
Make use of the interlocked-access facility 1 that got added with the
z196 architecure.
This facilility added new instructions which can atomically update a
storage location without a compare-and-swap loop. E.g. setting a bit
within a "long" can be done with a single instruction.

The size of the kernel image gets ~30kb smaller. Considering that there
are appr. 1900 bitops call sites this means that each one saves about
15-16 bytes per call site which is expected.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
 		2013-10-24 17:16:44 +02:00
..
alpha Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
arc ARC: Ignore ptrace SETREGSET request for synthetic register "stop_pc" 2013-10-12 12:00:36 +05:30
arm Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-10-23 07:47:42 +01:00
arm64 arm64: Remove duplicate DEBUG_STACK_USAGE config 2013-10-02 18:03:26 +01:00
avr32 avr32: cast syscall_return to silence compiler warning 2013-09-30 08:42:01 +02:00
blackfin Merge branch 'genirq' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux 2013-09-13 07:31:38 -07:00
c6x Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
cris Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
frv Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
h8300 Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
hexagon Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
ia64 Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
m32r Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
m68k Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
metag Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
microblaze Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
mips Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2013-10-12 11:06:18 -07:00
mn10300 Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
openrisc openrisc: clean-up prom.h 2013-09-24 21:12:27 -05:00
parisc parisc: enable DEVTMPFS, DEVTMPFS_MOUNT and BLK_DEV_INITRD in defconfigs 2013-10-19 21:37:52 +02:00
powerpc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-10-23 07:47:42 +01:00
s390 s390/bitops: make use of interlocked-access facility 1 instructions 2013-10-24 17:16:44 +02:00
score Score: Modify the Makefile of Score, remove -mlong-calls for compiling 2013-09-26 03:46:03 +08:00
sh Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
sparc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-10-23 07:47:42 +01:00
tile arch: tile: re-use kbasename() helper 2013-09-30 10:34:46 -04:00
um Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
unicore32 Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
x86 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-10-23 07:47:42 +01:00
xtensa Xtensa patchset for v3.12 2013-09-13 10:57:48 -07:00
.gitignore
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Kconfig mutex: replace CONFIG_HAVE_ARCH_MUTEX_CPU_RELAX with simple ifdef 2013-09-28 12:46:21 +02:00