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linux/arch/blackfin
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Peter Zijlstra e87fc0ec07 locking/atomic, arch/blackfin: Implement atomic_fetch_{add,sub,and,or,xor}() 
Implement FETCH-OP atomic primitives, these are very similar to the
existing OP-RETURN primitives we already have, except they return the
value of the atomic variable _before_ modification.

This is especially useful for irreversible operations -- such as
bitops (because it becomes impossible to reconstruct the state prior
to modification).

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Miao <realmz6@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: adi-buildroot-devel@lists.sourceforge.net
Cc: linux-arch@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-06-16 10:48:23 +02:00
..
boot blackfin: Ignore generated uImages 2013-09-13 10:42:39 +08:00
configs bf609: enable soft switch gpio driver by default 2015-04-23 21:34:29 +08:00
include locking/atomic, arch/blackfin: Implement atomic_fetch_{add,sub,and,or,xor}() 2016-06-16 10:48:23 +02:00
kernel locking/atomic, arch/blackfin: Implement atomic_fetch_{add,sub,and,or,xor}() 2016-06-16 10:48:23 +02:00
lib Blackfin: comment spelling s/divsor/divisor/ 2016-04-18 12:51:57 +02:00
mach-bf518 blackfin: cleanup board files 2014-04-12 08:48:01 +08:00
mach-bf527 Input: ad7879 - move header to platform_data directory 2016-03-08 10:51:10 -08:00
mach-bf533 arch/blackfin/mach-bf533/boards/stamp.c: add linux/delay.h 2015-01-08 15:10:52 -08:00
mach-bf537 Linux 4.5 2016-03-15 16:54:45 -07:00
mach-bf538 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2016-03-17 21:51:52 -07:00
mach-bf548 gpio: Include linux/gpio.h instead of asm/gpio.h 2016-02-16 00:20:03 +01:00
mach-bf561 locking/atomic, arch/blackfin: Implement atomic_fetch_{add,sub,and,or,xor}() 2016-06-16 10:48:23 +02:00
mach-bf609 blackfin: Fix misspelling of 'register' in comment. 2016-04-18 12:45:52 +02:00
mach-common This is the bulk of GPIO changes for kernel v4.6: 2016-03-17 21:05:32 -07:00
mm mm/blackfin: prepare for removing num_physpages and simplify mem_init() 2013-07-03 16:07:35 -07:00
oprofile
Clear_BSD.txt blackfin: license: Change ADI BSD license 2012-05-21 14:54:30 +08:00
Kconfig printk/nmi: generic solution for safe printk in NMI 2016-05-20 17:58:30 -07:00
Kconfig.debug consolidate per-arch stack overflow debugging options 2013-07-04 11:25:39 -07:00
Makefile blackfin: rename vmImage to uImage after we move to buildroot 2013-05-07 18:26:39 +08:00