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authorTrond Myklebust <Trond.Myklebust@netapp.com>2006-03-23 23:44:19 -0500
committerTrond Myklebust <Trond.Myklebust@netapp.com>2006-03-23 23:44:19 -0500
commit1ebbe2b20091d306453a5cf480a87e6cd28ae76f (patch)
treef5cd7a0fa69b8b1938cb5a0faed2e7b0628072a5 /include/asm-s390
parentac58c9059da8886b5e8cde012a80266b18ca146e (diff)
parent674a396c6d2ba0341ebdd7c1c9950f32f018e2dd (diff)
Merge branch 'linus'
Diffstat (limited to 'include/asm-s390')
-rw-r--r--include/asm-s390/atomic.h18
-rw-r--r--include/asm-s390/percpu.h7
-rw-r--r--include/asm-s390/pgalloc.h7
3 files changed, 17 insertions, 15 deletions
diff --git a/include/asm-s390/atomic.h b/include/asm-s390/atomic.h
index be6fefe223d6..de1d9926aa60 100644
--- a/include/asm-s390/atomic.h
+++ b/include/asm-s390/atomic.h
@@ -89,10 +89,15 @@ static __inline__ int atomic_cmpxchg(atomic_t *v, int old, int new)
89static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) 89static __inline__ int atomic_add_unless(atomic_t *v, int a, int u)
90{ 90{
91 int c, old; 91 int c, old;
92
93 c = atomic_read(v); 92 c = atomic_read(v);
94 while (c != u && (old = atomic_cmpxchg(v, c, c + a)) != c) 93 for (;;) {
94 if (unlikely(c == u))
95 break;
96 old = atomic_cmpxchg(v, c, c + a);
97 if (likely(old == c))
98 break;
95 c = old; 99 c = old;
100 }
96 return c != u; 101 return c != u;
97} 102}
98 103
@@ -167,10 +172,15 @@ static __inline__ int atomic64_add_unless(atomic64_t *v,
167 long long a, long long u) 172 long long a, long long u)
168{ 173{
169 long long c, old; 174 long long c, old;
170
171 c = atomic64_read(v); 175 c = atomic64_read(v);
172 while (c != u && (old = atomic64_cmpxchg(v, c, c + a)) != c) 176 for (;;) {
177 if (unlikely(c == u))
178 break;
179 old = atomic64_cmpxchg(v, c, c + a);
180 if (likely(old == c))
181 break;
173 c = old; 182 c = old;
183 }
174 return c != u; 184 return c != u;
175} 185}
176 186
diff --git a/include/asm-s390/percpu.h b/include/asm-s390/percpu.h
index 123fcaca295e..e10ed87094f0 100644
--- a/include/asm-s390/percpu.h
+++ b/include/asm-s390/percpu.h
@@ -46,10 +46,9 @@ extern unsigned long __per_cpu_offset[NR_CPUS];
46#define percpu_modcopy(pcpudst, src, size) \ 46#define percpu_modcopy(pcpudst, src, size) \
47do { \ 47do { \
48 unsigned int __i; \ 48 unsigned int __i; \
49 for (__i = 0; __i < NR_CPUS; __i++) \ 49 for_each_cpu(__i) \
50 if (cpu_possible(__i)) \ 50 memcpy((pcpudst)+__per_cpu_offset[__i], \
51 memcpy((pcpudst)+__per_cpu_offset[__i], \ 51 (src), (size)); \
52 (src), (size)); \
53} while (0) 52} while (0)
54 53
55#else /* ! SMP */ 54#else /* ! SMP */
diff --git a/include/asm-s390/pgalloc.h b/include/asm-s390/pgalloc.h
index 3417dd71ab43..e28aaf28e4a8 100644
--- a/include/asm-s390/pgalloc.h
+++ b/include/asm-s390/pgalloc.h
@@ -158,11 +158,4 @@ static inline void pte_free(struct page *pte)
158 158
159#define __pte_free_tlb(tlb,pte) tlb_remove_page(tlb,pte) 159#define __pte_free_tlb(tlb,pte) tlb_remove_page(tlb,pte)
160 160
161/*
162 * This establishes kernel virtual mappings (e.g., as a result of a
163 * vmalloc call). Since s390-esame uses a separate kernel page table,
164 * there is nothing to do here... :)
165 */
166#define set_pgdir(addr,entry) do { } while(0)
167
168#endif /* _S390_PGALLOC_H */ 161#endif /* _S390_PGALLOC_H */