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Merge pull request #379 from hjelmn/remove_enable_smp_locks

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Per-RFC: remove the --disable-smp-locks configure option
Этот коммит содержится в:
Nathan Hjelm 2015-04-15 10:02:23 -06:00
родитель 8113b37f68 ac82d1a6be
Коммит 81502fafa8
19 изменённых файлов: 2 добавлений и 127 удалений
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14
config/opal_config_asm.m4
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@ -890,20 +890,6 @@ AC_DEFUN([OPAL_CONFIG_ASM],[
esac
OPAL_VAR_SCOPE_POP
AC_MSG_CHECKING([whether to enable smp locks])
AC_ARG_ENABLE([smp-locks],
[AC_HELP_STRING([--enable-smp-locks],
[enable smp locks in atomic ops. Do not disable if code will ever run in SMP or multi-threaded environment. (default: enabled)])])
if test "$enable_smp_locks" != "no"; then
AC_MSG_RESULT([yes])
want_smp_locks=1
else
AC_MSG_RESULT([no])
want_smp_locks=0
fi
AC_DEFINE_UNQUOTED([OPAL_WANT_SMP_LOCKS], [$want_smp_locks],
[whether we want to have smp locks in atomic ops or not])
AC_ARG_ENABLE([builtin-atomics],
[AC_HELP_STRING([--enable-builtin-atomics],
[Enable use of __sync builtin atomics (default: disabled)])])

11
opal/asm/asm.c
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@ -23,8 +23,6 @@
#if OPAL_ASSEMBLY_ARCH == OPAL_SPARC
#if OPAL_WANT_SMP_LOCKS
#define LOCKS_TABLE_SIZE 8
/* make sure to get into reasonably useful bits (so shift at least 5) */
#define FIND_LOCK(addr) (&(locks_table[(((unsigned long) addr) >> 8) & \
@ -42,15 +40,6 @@ static opal_atomic_lock_t locks_table[LOCKS_TABLE_SIZE] = {
{ { OPAL_ATOMIC_UNLOCKED } }
};
# else /* OPAL_WANT_SMP_LOCKS */
#define LOCKS_TABLE_SIZE 1
#define FIND_LOCK(addr) (&(locks_table[0]))
static opal_atomic_lock_t locks_table[1] = { OPAL_ATOMIC_UNLOCKED };
#endif /* OPAL_WANT_SMP_LOCKS */
int32_t
opal_atomic_add_32(volatile int32_t *addr, int delta)

11
opal/include/opal/sys/alpha/atomic.h
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@ -23,21 +23,10 @@
* On alpha, everything is load-locked, store-conditional...
*/
#if OPAL_WANT_SMP_LOCKS
#define MB() __asm__ __volatile__ ("mb");
#define RMB() __asm__ __volatile__ ("mb");
#define WMB() __asm__ __volatile__ ("wmb");
#else
#define MB()
#define RMB()
#define WMB()
#endif
/**********************************************************************
*
* Define constants for PowerPC 32

1
opal/include/opal/sys/alpha/update.sh
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@ -29,7 +29,6 @@ cat > $CFILE<<EOF
#define static
#define inline
#define OPAL_GCC_INLINE_ASSEMBLY 1
#define OPAL_WANT_SMP_LOCKS 1
#include "atomic.h"
EOF

5
opal/include/opal/sys/amd64/atomic.h
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@ -27,13 +27,8 @@
*/
#if OPAL_WANT_SMP_LOCKS
#define SMPLOCK "lock; "
#define MB() __asm__ __volatile__("": : :"memory")
#else
#define SMPLOCK
#define MB()
#endif
/**********************************************************************

1
opal/include/opal/sys/amd64/update.sh
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@ -29,7 +29,6 @@ cat > $CFILE<<EOF
#define static
#define inline
#define OPAL_GCC_INLINE_ASSEMBLY 1
#define OPAL_WANT_SMP_LOCKS 1
#include "atomic.h"
#include "timer.h"
EOF

12
opal/include/opal/sys/arm/atomic.h
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@ -31,8 +31,6 @@
#ifndef OPAL_SYS_ARCH_ATOMIC_H
#define OPAL_SYS_ARCH_ATOMIC_H 1
#if OPAL_WANT_SMP_LOCKS
#if (OPAL_ASM_ARM_VERSION >= 7)
#define OPAL_HAVE_ATOMIC_MEM_BARRIER 1
@ -62,16 +60,6 @@
#endif
#else
#define MB()
#define RMB()
#define WMB()
#endif /* OPAL_WANT_SMP_LOCKS */
/**********************************************************************
*
* Memory Barriers

1
opal/include/opal/sys/arm/update.sh
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@ -29,7 +29,6 @@ cat > $CFILE<<EOF
#define static
#define inline
#define OPAL_GCC_INLINE_ASSEMBLY 1
#define OPAL_WANT_SMP_LOCKS 1
#include "../architecture.h"
#include "atomic.h"
EOF

5
opal/include/opal/sys/ia32/atomic.h
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@ -29,13 +29,8 @@
* On ia32, we use cmpxchg.
*/
#if OPAL_WANT_SMP_LOCKS
#define SMPLOCK "lock; "
#define MB() __asm__ __volatile__("": : :"memory")
#else
#define SMPLOCK
#define MB()
#endif
/**********************************************************************

1
opal/include/opal/sys/ia32/update.sh
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@ -29,7 +29,6 @@ cat > $CFILE<<EOF
#define static
#define inline
#define OPAL_GCC_INLINE_ASSEMBLY 1
#define OPAL_WANT_SMP_LOCKS 1
#include "atomic.h"
#include "timer.h"
EOF

1
opal/include/opal/sys/ia64/update.sh
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@ -30,7 +30,6 @@ cat > $CFILE<<EOF
#define static
#define inline
#define OPAL_GCC_INLINE_ASSEMBLY 1
#define OPAL_WANT_SMP_LOCKS 1
#include "atomic.h"
#include "timer.h"
EOF

11
opal/include/opal/sys/mips/atomic.h
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@ -20,8 +20,6 @@
#define OPAL_SYS_ARCH_ATOMIC_H 1
#if OPAL_WANT_SMP_LOCKS
/* BWB - FIX ME! */
#ifdef __linux__
#define MB() __asm__ __volatile__(".set mips2; sync; .set mips0": : :"memory")
@ -35,15 +33,6 @@
#define SMP_SYNC "sync"
#endif
#else
#define MB()
#define RMB()
#define WMB()
#define SMP_SYNC ""
#endif
/**********************************************************************
*

1
opal/include/opal/sys/mips/update.sh
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@ -29,7 +29,6 @@ cat > $CFILE<<EOF
#define static
#define inline
#define OPAL_GCC_INLINE_ASSEMBLY 1
#define OPAL_WANT_SMP_LOCKS 1
#include "../architecture.h"
#include "atomic.h"
EOF

28
opal/include/opal/sys/osx/atomic.h
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@ -26,11 +26,7 @@
#include <libkern/OSAtomic.h>
#if OPAL_WANT_SMP_LOCKS
#define MB() OSMemoryBarrier
#else
#define MB()
#endif
/**********************************************************************
@ -79,11 +75,7 @@ static inline void opal_atomic_wmb(void)
static inline int opal_atomic_cmpset_32( volatile int32_t *addr,
int32_t oldval, int32_t newval)
{
#if OPAL_WANT_SMP_LOCKS
return OSAtomicCompareAndSwap32Barrier(oldval, newval, addr);
#else
return OSAtomicCompareAndSwap32 (oldval, newval, addr);
#endif
}
#define opal_atomic_cmpset_acq_32 opal_atomic_cmpset_32
@ -93,11 +85,7 @@ static inline int opal_atomic_cmpset_32( volatile int32_t *addr,
static inline int opal_atomic_cmpset_64( volatile int64_t *addr,
int64_t oldval, int64_t newval)
{
#if OPAL_WANT_SMP_LOCKS
return OSAtomicCompareAndSwap64Barrier(oldval, newval, addr);
#else
return OSAtomicCompareAndSwap64 (oldval, newval, addr);
#endif
}
#define opal_atomic_cmpset_acq_64 opal_atomic_cmpset_64
@ -112,11 +100,7 @@ static inline int opal_atomic_cmpset_64( volatile int64_t *addr,
*/
static inline int32_t opal_atomic_add_32(volatile int32_t* v, int i)
{
#if OPAL_WANT_SMP_LOCKS
return OSAtomicAdd32Barrier (i, v);
#else
return OSAtomicAdd32 (i, v);
#endif
}
/**
@ -128,11 +112,7 @@ static inline int32_t opal_atomic_add_32(volatile int32_t* v, int i)
*/
static inline int64_t opal_atomic_add_64(volatile int64_t* v, int64_t i)
{
#if OPAL_WANT_SMP_LOCKS
return OSAtomicAdd64Barrier (i, v);
#else
return OSAtomicAdd64 (i, v);
#endif
}
/**
@ -144,11 +124,7 @@ static inline int64_t opal_atomic_add_64(volatile int64_t* v, int64_t i)
*/
static inline int32_t opal_atomic_sub_32(volatile int32_t* v, int i)
{
#if OPAL_WANT_SMP_LOCKS
return OSAtomicAdd32Barrier (-i, v);
#else
return OSAtomicAdd32 (-i, v);
#endif
}
/**
@ -160,11 +136,7 @@ static inline int32_t opal_atomic_sub_32(volatile int32_t* v, int i)
*/
static inline int64_t opal_atomic_sub_64(volatile int64_t* v, int64_t i)
{
#if OPAL_WANT_SMP_LOCKS
return OSAtomicAdd64Barrier (-i, v);
#else
return OSAtomicAdd64 (-i, v);
#endif
}
static inline void opal_atomic_init(opal_atomic_lock_t* lock, int32_t value)

12
opal/include/opal/sys/powerpc/atomic.h
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@ -24,24 +24,12 @@
* On powerpc ...
*/
#if OPAL_WANT_SMP_LOCKS
#define MB() __asm__ __volatile__ ("sync" : : : "memory")
#define RMB() __asm__ __volatile__ ("lwsync" : : : "memory")
#define WMB() __asm__ __volatile__ ("eieio" : : : "memory")
#define SMP_SYNC "sync \n\t"
#define SMP_ISYNC "\n\tisync"
#else
#define MB()
#define RMB()
#define WMB()
#define SMP_SYNC ""
#define SMP_ISYNC
#endif
/**********************************************************************
*

1
opal/include/opal/sys/powerpc/update.sh
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@ -29,7 +29,6 @@ cat > $CFILE<<EOF
#define static
#define inline
#define OPAL_GCC_INLINE_ASSEMBLY 1
#define OPAL_WANT_SMP_LOCKS 1
#include "../architecture.h"
#include "atomic.h"
#include "timer.h"

4
opal/include/opal/sys/sparcv9/atomic.h
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@ -26,11 +26,7 @@
#define ASI_P "0x80"
#if OPAL_WANT_SMP_LOCKS
#define MEMBAR(type) __asm__ __volatile__ ("membar " type : : : "memory")
#else
#define MEMBAR(type)
#endif
/**********************************************************************

1
opal/include/opal/sys/sparcv9/update.sh
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@ -30,7 +30,6 @@ cat > $CFILE<<EOF
#define static
#define inline
#define OPAL_GCC_INLINE_ASSEMBLY 1
#define OPAL_WANT_SMP_LOCKS 1
#include "atomic.h"
EOF

4
opal/include/opal/sys/sync_builtin/atomic.h
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@ -45,11 +45,7 @@ static inline void opal_atomic_wmb(void)
__sync_synchronize();
}
#if OPAL_WANT_SMP_LOCKS
#define MB() opal_atomic_mb()
#else
#define MB()
#endif
/**********************************************************************
*