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path: root/arch/s390/include/asm/rwsem.h
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Diffstat (limited to 'arch/s390/include/asm/rwsem.h')
-rw-r--r--arch/s390/include/asm/rwsem.h81
1 files changed, 0 insertions, 81 deletions
diff --git a/arch/s390/include/asm/rwsem.h b/arch/s390/include/asm/rwsem.h
index 487f9b64efb9..4b43ee7e6776 100644
--- a/arch/s390/include/asm/rwsem.h
+++ b/arch/s390/include/asm/rwsem.h
@@ -39,17 +39,10 @@
#error "please don't include asm/rwsem.h directly, use linux/rwsem.h instead"
#endif
-#ifndef CONFIG_64BIT
-#define RWSEM_UNLOCKED_VALUE 0x00000000
-#define RWSEM_ACTIVE_BIAS 0x00000001
-#define RWSEM_ACTIVE_MASK 0x0000ffff
-#define RWSEM_WAITING_BIAS (-0x00010000)
-#else /* CONFIG_64BIT */
#define RWSEM_UNLOCKED_VALUE 0x0000000000000000L
#define RWSEM_ACTIVE_BIAS 0x0000000000000001L
#define RWSEM_ACTIVE_MASK 0x00000000ffffffffL
#define RWSEM_WAITING_BIAS (-0x0000000100000000L)
-#endif /* CONFIG_64BIT */
#define RWSEM_ACTIVE_READ_BIAS RWSEM_ACTIVE_BIAS
#define RWSEM_ACTIVE_WRITE_BIAS (RWSEM_WAITING_BIAS + RWSEM_ACTIVE_BIAS)
@@ -61,19 +54,11 @@ static inline void __down_read(struct rw_semaphore *sem)
signed long old, new;
asm volatile(
-#ifndef CONFIG_64BIT
- " l %0,%2\n"
- "0: lr %1,%0\n"
- " ahi %1,%4\n"
- " cs %0,%1,%2\n"
- " jl 0b"
-#else /* CONFIG_64BIT */
" lg %0,%2\n"
"0: lgr %1,%0\n"
" aghi %1,%4\n"
" csg %0,%1,%2\n"
" jl 0b"
-#endif /* CONFIG_64BIT */
: "=&d" (old), "=&d" (new), "=Q" (sem->count)
: "Q" (sem->count), "i" (RWSEM_ACTIVE_READ_BIAS)
: "cc", "memory");
@@ -89,15 +74,6 @@ static inline int __down_read_trylock(struct rw_semaphore *sem)
signed long old, new;
asm volatile(
-#ifndef CONFIG_64BIT
- " l %0,%2\n"
- "0: ltr %1,%0\n"
- " jm 1f\n"
- " ahi %1,%4\n"
- " cs %0,%1,%2\n"
- " jl 0b\n"
- "1:"
-#else /* CONFIG_64BIT */
" lg %0,%2\n"
"0: ltgr %1,%0\n"
" jm 1f\n"
@@ -105,7 +81,6 @@ static inline int __down_read_trylock(struct rw_semaphore *sem)
" csg %0,%1,%2\n"
" jl 0b\n"
"1:"
-#endif /* CONFIG_64BIT */
: "=&d" (old), "=&d" (new), "=Q" (sem->count)
: "Q" (sem->count), "i" (RWSEM_ACTIVE_READ_BIAS)
: "cc", "memory");
@@ -121,19 +96,11 @@ static inline void __down_write_nested(struct rw_semaphore *sem, int subclass)
tmp = RWSEM_ACTIVE_WRITE_BIAS;
asm volatile(
-#ifndef CONFIG_64BIT
- " l %0,%2\n"
- "0: lr %1,%0\n"
- " a %1,%4\n"
- " cs %0,%1,%2\n"
- " jl 0b"
-#else /* CONFIG_64BIT */
" lg %0,%2\n"
"0: lgr %1,%0\n"
" ag %1,%4\n"
" csg %0,%1,%2\n"
" jl 0b"
-#endif /* CONFIG_64BIT */
: "=&d" (old), "=&d" (new), "=Q" (sem->count)
: "Q" (sem->count), "m" (tmp)
: "cc", "memory");
@@ -154,19 +121,11 @@ static inline int __down_write_trylock(struct rw_semaphore *sem)
signed long old;
asm volatile(
-#ifndef CONFIG_64BIT
- " l %0,%1\n"
- "0: ltr %0,%0\n"
- " jnz 1f\n"
- " cs %0,%3,%1\n"
- " jl 0b\n"
-#else /* CONFIG_64BIT */
" lg %0,%1\n"
"0: ltgr %0,%0\n"
" jnz 1f\n"
" csg %0,%3,%1\n"
" jl 0b\n"
-#endif /* CONFIG_64BIT */
"1:"
: "=&d" (old), "=Q" (sem->count)
: "Q" (sem->count), "d" (RWSEM_ACTIVE_WRITE_BIAS)
@@ -182,19 +141,11 @@ static inline void __up_read(struct rw_semaphore *sem)
signed long old, new;
asm volatile(
-#ifndef CONFIG_64BIT
- " l %0,%2\n"
- "0: lr %1,%0\n"
- " ahi %1,%4\n"
- " cs %0,%1,%2\n"
- " jl 0b"
-#else /* CONFIG_64BIT */
" lg %0,%2\n"
"0: lgr %1,%0\n"
" aghi %1,%4\n"
" csg %0,%1,%2\n"
" jl 0b"
-#endif /* CONFIG_64BIT */
: "=&d" (old), "=&d" (new), "=Q" (sem->count)
: "Q" (sem->count), "i" (-RWSEM_ACTIVE_READ_BIAS)
: "cc", "memory");
@@ -212,19 +163,11 @@ static inline void __up_write(struct rw_semaphore *sem)
tmp = -RWSEM_ACTIVE_WRITE_BIAS;
asm volatile(
-#ifndef CONFIG_64BIT
- " l %0,%2\n"
- "0: lr %1,%0\n"
- " a %1,%4\n"
- " cs %0,%1,%2\n"
- " jl 0b"
-#else /* CONFIG_64BIT */
" lg %0,%2\n"
"0: lgr %1,%0\n"
" ag %1,%4\n"
" csg %0,%1,%2\n"
" jl 0b"
-#endif /* CONFIG_64BIT */
: "=&d" (old), "=&d" (new), "=Q" (sem->count)
: "Q" (sem->count), "m" (tmp)
: "cc", "memory");
@@ -242,19 +185,11 @@ static inline void __downgrade_write(struct rw_semaphore *sem)
tmp = -RWSEM_WAITING_BIAS;
asm volatile(
-#ifndef CONFIG_64BIT
- " l %0,%2\n"
- "0: lr %1,%0\n"
- " a %1,%4\n"
- " cs %0,%1,%2\n"
- " jl 0b"
-#else /* CONFIG_64BIT */
" lg %0,%2\n"
"0: lgr %1,%0\n"
" ag %1,%4\n"
" csg %0,%1,%2\n"
" jl 0b"
-#endif /* CONFIG_64BIT */
: "=&d" (old), "=&d" (new), "=Q" (sem->count)
: "Q" (sem->count), "m" (tmp)
: "cc", "memory");
@@ -270,19 +205,11 @@ static inline void rwsem_atomic_add(long delta, struct rw_semaphore *sem)
signed long old, new;
asm volatile(
-#ifndef CONFIG_64BIT
- " l %0,%2\n"
- "0: lr %1,%0\n"
- " ar %1,%4\n"
- " cs %0,%1,%2\n"
- " jl 0b"
-#else /* CONFIG_64BIT */
" lg %0,%2\n"
"0: lgr %1,%0\n"
" agr %1,%4\n"
" csg %0,%1,%2\n"
" jl 0b"
-#endif /* CONFIG_64BIT */
: "=&d" (old), "=&d" (new), "=Q" (sem->count)
: "Q" (sem->count), "d" (delta)
: "cc", "memory");
@@ -296,19 +223,11 @@ static inline long rwsem_atomic_update(long delta, struct rw_semaphore *sem)
signed long old, new;
asm volatile(
-#ifndef CONFIG_64BIT
- " l %0,%2\n"
- "0: lr %1,%0\n"
- " ar %1,%4\n"
- " cs %0,%1,%2\n"
- " jl 0b"
-#else /* CONFIG_64BIT */
" lg %0,%2\n"
"0: lgr %1,%0\n"
" agr %1,%4\n"
" csg %0,%1,%2\n"
" jl 0b"
-#endif /* CONFIG_64BIT */
: "=&d" (old), "=&d" (new), "=Q" (sem->count)
: "Q" (sem->count), "d" (delta)
: "cc", "memory");

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