A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-28 02:32:09 -04:00
Code Issues Projects Releases Packages Wiki Activity

locking/atomic, arch/alpha: Convert to _relaxed atomics

Browse source 
Generic code will construct {,_acquire,_release} versions by adding the
required smp_mb__{before,after}_atomic() calls.

Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Cc: Andrew Morton <[email protected]>
Cc: Ivan Kokshaysky <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Matt Turner <[email protected]>
Cc: Paul E. McKenney <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Richard Henderson <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Peter Zijlstra 2016-04-18 01:09:20 +02:00 • committed by Ingo Molnar
commit fe14d2f12d
1 changed files with 24 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

36
arch/alpha/include/asm/atomic.h
View file

@ -46,10 +46,9 @@ static __inline__ void atomic_##op(int i, atomic_t * v) \
} \
#define ATOMIC_OP_RETURN(op, asm_op) \
static inline int atomic_##op##_return(int i, atomic_t *v) \
static inline int atomic_##op##_return_relaxed(int i, atomic_t *v) \
{ \
long temp, result; \
smp_mb(); \
__asm__ __volatile__( \
"1: ldl_l %0,%1\n" \
" " #asm_op " %0,%3,%2\n" \
@ -61,15 +60,13 @@ static inline int atomic_##op##_return(int i, atomic_t *v) \
".previous" \
:"=&r" (temp), "=m" (v->counter), "=&r" (result) \
:"Ir" (i), "m" (v->counter) : "memory"); \
smp_mb(); \
return result; \
}
#define ATOMIC_FETCH_OP(op, asm_op) \
static inline int atomic_fetch_##op(int i, atomic_t *v) \
static inline int atomic_fetch_##op##_relaxed(int i, atomic_t *v) \
{ \
long temp, result; \
smp_mb(); \
__asm__ __volatile__( \
"1: ldl_l %2,%1\n" \
" " #asm_op " %2,%3,%0\n" \
@ -80,7 +77,6 @@ static inline int atomic_fetch_##op(int i, atomic_t *v) \
".previous" \
:"=&r" (temp), "=m" (v->counter), "=&r" (result) \
:"Ir" (i), "m" (v->counter) : "memory"); \
smp_mb(); \
return result; \
}
@ -101,10 +97,9 @@ static __inline__ void atomic64_##op(long i, atomic64_t * v) \
} \
#define ATOMIC64_OP_RETURN(op, asm_op) \
static __inline__ long atomic64_##op##_return(long i, atomic64_t * v) \
static __inline__ long atomic64_##op##_return_relaxed(long i, atomic64_t * v) \
{ \
long temp, result; \
smp_mb(); \
__asm__ __volatile__( \
"1: ldq_l %0,%1\n" \
" " #asm_op " %0,%3,%2\n" \
@ -116,15 +111,13 @@ static __inline__ long atomic64_##op##_return(long i, atomic64_t * v) \
".previous" \
:"=&r" (temp), "=m" (v->counter), "=&r" (result) \
:"Ir" (i), "m" (v->counter) : "memory"); \
smp_mb(); \
return result; \
}
#define ATOMIC64_FETCH_OP(op, asm_op) \
static __inline__ long atomic64_fetch_##op(long i, atomic64_t * v) \
static __inline__ long atomic64_fetch_##op##_relaxed(long i, atomic64_t * v) \
{ \
long temp, result; \
smp_mb(); \
__asm__ __volatile__( \
"1: ldq_l %2,%1\n" \
" " #asm_op " %2,%3,%0\n" \
@ -135,7 +128,6 @@ static __inline__ long atomic64_fetch_##op(long i, atomic64_t * v) \
".previous" \
:"=&r" (temp), "=m" (v->counter), "=&r" (result) \
:"Ir" (i), "m" (v->counter) : "memory"); \
smp_mb(); \
return result; \
}
@ -150,6 +142,16 @@ static __inline__ long atomic64_fetch_##op(long i, atomic64_t * v) \
ATOMIC_OPS(add)
ATOMIC_OPS(sub)
#define atomic_add_return_relaxed atomic_add_return_relaxed
#define atomic_sub_return_relaxed atomic_sub_return_relaxed
#define atomic_fetch_add_relaxed atomic_fetch_add_relaxed
#define atomic_fetch_sub_relaxed atomic_fetch_sub_relaxed
#define atomic64_add_return_relaxed atomic64_add_return_relaxed
#define atomic64_sub_return_relaxed atomic64_sub_return_relaxed
#define atomic64_fetch_add_relaxed atomic64_fetch_add_relaxed
#define atomic64_fetch_sub_relaxed atomic64_fetch_sub_relaxed
#define atomic_andnot atomic_andnot
#define atomic64_andnot atomic64_andnot
@ -165,6 +167,16 @@ ATOMIC_OPS(andnot, bic)
ATOMIC_OPS(or, bis)
ATOMIC_OPS(xor, xor)
#define atomic_fetch_and_relaxed atomic_fetch_and_relaxed
#define atomic_fetch_andnot_relaxed atomic_fetch_andnot_relaxed
#define atomic_fetch_or_relaxed atomic_fetch_or_relaxed
#define atomic_fetch_xor_relaxed atomic_fetch_xor_relaxed
#define atomic64_fetch_and_relaxed atomic64_fetch_and_relaxed
#define atomic64_fetch_andnot_relaxed atomic64_fetch_andnot_relaxed
#define atomic64_fetch_or_relaxed atomic64_fetch_or_relaxed
#define atomic64_fetch_xor_relaxed atomic64_fetch_xor_relaxed
#undef ATOMIC_OPS
#undef ATOMIC64_FETCH_OP
#undef ATOMIC64_OP_RETURN