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authorLinus Torvalds <torvalds@linux-foundation.org>2009-09-11 16:17:24 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-11 16:17:24 -0400
commit4e3408d9f71a70316ebe844c20ef0d7715281f84 (patch)
tree365f67fbcbe8e047a5fbead3db5d2e7ac20b3618 /arch/sparc
parenta66a50054e46ec2a03244bc14c48b9125fcd75a7 (diff)
parent96910b6dc8a4fdb75e69f09f47b62d41743d36ba (diff)
Merge branch 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (32 commits) locking, m68k/asm-offsets: Rename signal defines locking: Inline spinlock code for all locking variants on s390 locking: Simplify spinlock inlining locking: Allow arch-inlined spinlocks locking: Move spinlock function bodies to header file locking, m68k: Calculate thread_info offset with asm offset locking, m68k/asm-offsets: Rename pt_regs offset defines locking, sparc: Rename __spin_try_lock() and friends locking, powerpc: Rename __spin_try_lock() and friends lockdep: Remove recursion stattistics lockdep: Simplify lock_stat seqfile code lockdep: Simplify lockdep_chains seqfile code lockdep: Simplify lockdep seqfile code lockdep: Fix missing entries in /proc/lock_chains lockdep: Fix missing entry in /proc/lock_stat lockdep: Fix memory usage info of BFS lockdep: Reintroduce generation count to make BFS faster lockdep: Deal with many similar locks lockdep: Introduce lockdep_assert_held() lockdep: Fix style nits ...
Diffstat (limited to 'arch/sparc')
-rw-r--r--arch/sparc/include/asm/spinlock_32.h12
-rw-r--r--arch/sparc/include/asm/spinlock_64.h28
2 files changed, 20 insertions, 20 deletions
diff --git a/arch/sparc/include/asm/spinlock_32.h b/arch/sparc/include/asm/spinlock_32.h
index 46f91ab66a50..857630cff636 100644
--- a/arch/sparc/include/asm/spinlock_32.h
+++ b/arch/sparc/include/asm/spinlock_32.h
@@ -76,7 +76,7 @@ static inline void __raw_spin_unlock(raw_spinlock_t *lock)
76 * 76 *
77 * Unfortunately this scheme limits us to ~16,000,000 cpus. 77 * Unfortunately this scheme limits us to ~16,000,000 cpus.
78 */ 78 */
79static inline void __read_lock(raw_rwlock_t *rw) 79static inline void arch_read_lock(raw_rwlock_t *rw)
80{ 80{
81 register raw_rwlock_t *lp asm("g1"); 81 register raw_rwlock_t *lp asm("g1");
82 lp = rw; 82 lp = rw;
@@ -92,11 +92,11 @@ static inline void __read_lock(raw_rwlock_t *rw)
92#define __raw_read_lock(lock) \ 92#define __raw_read_lock(lock) \
93do { unsigned long flags; \ 93do { unsigned long flags; \
94 local_irq_save(flags); \ 94 local_irq_save(flags); \
95 __read_lock(lock); \ 95 arch_read_lock(lock); \
96 local_irq_restore(flags); \ 96 local_irq_restore(flags); \
97} while(0) 97} while(0)
98 98
99static inline void __read_unlock(raw_rwlock_t *rw) 99static inline void arch_read_unlock(raw_rwlock_t *rw)
100{ 100{
101 register raw_rwlock_t *lp asm("g1"); 101 register raw_rwlock_t *lp asm("g1");
102 lp = rw; 102 lp = rw;
@@ -112,7 +112,7 @@ static inline void __read_unlock(raw_rwlock_t *rw)
112#define __raw_read_unlock(lock) \ 112#define __raw_read_unlock(lock) \
113do { unsigned long flags; \ 113do { unsigned long flags; \
114 local_irq_save(flags); \ 114 local_irq_save(flags); \
115 __read_unlock(lock); \ 115 arch_read_unlock(lock); \
116 local_irq_restore(flags); \ 116 local_irq_restore(flags); \
117} while(0) 117} while(0)
118 118
@@ -150,7 +150,7 @@ static inline int __raw_write_trylock(raw_rwlock_t *rw)
150 return (val == 0); 150 return (val == 0);
151} 151}
152 152
153static inline int __read_trylock(raw_rwlock_t *rw) 153static inline int arch_read_trylock(raw_rwlock_t *rw)
154{ 154{
155 register raw_rwlock_t *lp asm("g1"); 155 register raw_rwlock_t *lp asm("g1");
156 register int res asm("o0"); 156 register int res asm("o0");
@@ -169,7 +169,7 @@ static inline int __read_trylock(raw_rwlock_t *rw)
169({ unsigned long flags; \ 169({ unsigned long flags; \
170 int res; \ 170 int res; \
171 local_irq_save(flags); \ 171 local_irq_save(flags); \
172 res = __read_trylock(lock); \ 172 res = arch_read_trylock(lock); \
173 local_irq_restore(flags); \ 173 local_irq_restore(flags); \
174 res; \ 174 res; \
175}) 175})
diff --git a/arch/sparc/include/asm/spinlock_64.h b/arch/sparc/include/asm/spinlock_64.h
index f6b2b92ad8d2..43e514783582 100644
--- a/arch/sparc/include/asm/spinlock_64.h
+++ b/arch/sparc/include/asm/spinlock_64.h
@@ -92,7 +92,7 @@ static inline void __raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long fla
92 92
93/* Multi-reader locks, these are much saner than the 32-bit Sparc ones... */ 93/* Multi-reader locks, these are much saner than the 32-bit Sparc ones... */
94 94
95static void inline __read_lock(raw_rwlock_t *lock) 95static void inline arch_read_lock(raw_rwlock_t *lock)
96{ 96{
97 unsigned long tmp1, tmp2; 97 unsigned long tmp1, tmp2;
98 98
@@ -115,7 +115,7 @@ static void inline __read_lock(raw_rwlock_t *lock)
115 : "memory"); 115 : "memory");
116} 116}
117 117
118static int inline __read_trylock(raw_rwlock_t *lock) 118static int inline arch_read_trylock(raw_rwlock_t *lock)
119{ 119{
120 int tmp1, tmp2; 120 int tmp1, tmp2;
121 121
@@ -136,7 +136,7 @@ static int inline __read_trylock(raw_rwlock_t *lock)
136 return tmp1; 136 return tmp1;
137} 137}
138 138
139static void inline __read_unlock(raw_rwlock_t *lock) 139static void inline arch_read_unlock(raw_rwlock_t *lock)
140{ 140{
141 unsigned long tmp1, tmp2; 141 unsigned long tmp1, tmp2;
142 142
@@ -152,7 +152,7 @@ static void inline __read_unlock(raw_rwlock_t *lock)
152 : "memory"); 152 : "memory");
153} 153}
154 154
155static void inline __write_lock(raw_rwlock_t *lock) 155static void inline arch_write_lock(raw_rwlock_t *lock)
156{ 156{
157 unsigned long mask, tmp1, tmp2; 157 unsigned long mask, tmp1, tmp2;
158 158
@@ -177,7 +177,7 @@ static void inline __write_lock(raw_rwlock_t *lock)
177 : "memory"); 177 : "memory");
178} 178}
179 179
180static void inline __write_unlock(raw_rwlock_t *lock) 180static void inline arch_write_unlock(raw_rwlock_t *lock)
181{ 181{
182 __asm__ __volatile__( 182 __asm__ __volatile__(
183" stw %%g0, [%0]" 183" stw %%g0, [%0]"
@@ -186,7 +186,7 @@ static void inline __write_unlock(raw_rwlock_t *lock)
186 : "memory"); 186 : "memory");
187} 187}
188 188
189static int inline __write_trylock(raw_rwlock_t *lock) 189static int inline arch_write_trylock(raw_rwlock_t *lock)
190{ 190{
191 unsigned long mask, tmp1, tmp2, result; 191 unsigned long mask, tmp1, tmp2, result;
192 192
@@ -210,14 +210,14 @@ static int inline __write_trylock(raw_rwlock_t *lock)
210 return result; 210 return result;
211} 211}
212 212
213#define __raw_read_lock(p) __read_lock(p) 213#define __raw_read_lock(p) arch_read_lock(p)
214#define __raw_read_lock_flags(p, f) __read_lock(p) 214#define __raw_read_lock_flags(p, f) arch_read_lock(p)
215#define __raw_read_trylock(p) __read_trylock(p) 215#define __raw_read_trylock(p) arch_read_trylock(p)
216#define __raw_read_unlock(p) __read_unlock(p) 216#define __raw_read_unlock(p) arch_read_unlock(p)
217#define __raw_write_lock(p) __write_lock(p) 217#define __raw_write_lock(p) arch_write_lock(p)
218#define __raw_write_lock_flags(p, f) __write_lock(p) 218#define __raw_write_lock_flags(p, f) arch_write_lock(p)
219#define __raw_write_unlock(p) __write_unlock(p) 219#define __raw_write_unlock(p) arch_write_unlock(p)
220#define __raw_write_trylock(p) __write_trylock(p) 220#define __raw_write_trylock(p) arch_write_trylock(p)
221 221
222#define __raw_read_can_lock(rw) (!((rw)->lock & 0x80000000UL)) 222#define __raw_read_can_lock(rw) (!((rw)->lock & 0x80000000UL))
223#define __raw_write_can_lock(rw) (!(rw)->lock) 223#define __raw_write_can_lock(rw) (!(rw)->lock)