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Will Deacon 9511ca19da arm64: rwlocks: don't fail trylock purely due to contention 
STXR can fail for a number of reasons, so don't fail an rwlock trylock
operation simply because the STXR reported failure.

I'm not aware of any issues with the current code, but this makes it
consistent with spin_trylock and also other architectures (e.g. arch/arm).

Reported-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
 		2015-07-27 14:26:34 +01:00
..
alpha atomic: Provide atomic_{or,xor,and} 2015-07-27 14:06:24 +02:00
arc atomic: Collapse all atomic_{set,clear}_mask definitions 2015-07-27 14:06:24 +02:00
arm atomic: Provide atomic_{or,xor,and} 2015-07-27 14:06:24 +02:00
arm64 arm64: rwlocks: don't fail trylock purely due to contention 2015-07-27 14:26:34 +01:00
avr32 atomic: Provide atomic_{or,xor,and} 2015-07-27 14:06:24 +02:00
blackfin atomic: Replace atomic_{set,clear}_mask() usage 2015-07-27 14:06:24 +02:00
c6x mm: clean up per architecture MM hook header files 2015-07-17 16:39:53 -07:00
cris mm: clean up per architecture MM hook header files 2015-07-17 16:39:53 -07:00
frv atomic: Collapse all atomic_{set,clear}_mask definitions 2015-07-27 14:06:24 +02:00
h8300 atomic: Collapse all atomic_{set,clear}_mask definitions 2015-07-27 14:06:24 +02:00
hexagon atomic: Provide atomic_{or,xor,and} 2015-07-27 14:06:24 +02:00
ia64 atomic: Provide atomic_{or,xor,and} 2015-07-27 14:06:24 +02:00
m32r atomic: Replace atomic_{set,clear}_mask() usage 2015-07-27 14:06:24 +02:00
m68k atomic: Collapse all atomic_{set,clear}_mask definitions 2015-07-27 14:06:24 +02:00
metag atomic: Collapse all atomic_{set,clear}_mask definitions 2015-07-27 14:06:24 +02:00
microblaze mm: clean up per architecture MM hook header files 2015-07-17 16:39:53 -07:00
mips atomic: Provide atomic_{or,xor,and} 2015-07-27 14:06:24 +02:00
mn10300 atomic: Replace atomic_{set,clear}_mask() usage 2015-07-27 14:06:24 +02:00
nios2 mm: clean up per architecture MM hook header files 2015-07-17 16:39:53 -07:00
openrisc mm: clean up per architecture MM hook header files 2015-07-17 16:39:53 -07:00
parisc atomic: Provide atomic_{or,xor,and} 2015-07-27 14:06:24 +02:00
powerpc atomic: Collapse all atomic_{set,clear}_mask definitions 2015-07-27 14:06:24 +02:00
s390 atomic: Replace atomic_{set,clear}_mask() usage 2015-07-27 14:06:24 +02:00
score mm: clean up per architecture MM hook header files 2015-07-17 16:39:53 -07:00
sh atomic: Collapse all atomic_{set,clear}_mask definitions 2015-07-27 14:06:24 +02:00
sparc atomic: Provide atomic_{or,xor,and} 2015-07-27 14:06:24 +02:00
tile atomic: Provide atomic_{or,xor,and} 2015-07-27 14:06:24 +02:00
um mm: clean up per architecture MM hook header files 2015-07-17 16:39:53 -07:00
unicore32 mm: clean up per architecture MM hook header files 2015-07-17 16:39:53 -07:00
x86 atomic: Collapse all atomic_{set,clear}_mask definitions 2015-07-27 14:06:24 +02:00
xtensa atomic: Collapse all atomic_{set,clear}_mask definitions 2015-07-27 14:06:24 +02:00
.gitignore
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Kconfig x86/fpu, sched: Introduce CONFIG_ARCH_WANTS_DYNAMIC_TASK_STRUCT and use it on x86 2015-07-18 03:42:51 +02:00