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authorLinus Torvalds <torvalds@g5.osdl.org>2006-02-27 09:46:24 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-02-27 09:46:24 -0800
commitde5f503cfbe4f942492269c6bd97a16a4d61e488 (patch)
tree680d9c6624c9cad72e4654dd6c986f6ea4df21ac /include
parentd904ffd6e0c3ab7631b07c21c9f9234a2e72d1f3 (diff)
parent2fd628fe25e1f3d07996b0dab728ea0702f81306 (diff)
Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
Diffstat (limited to 'include')
-rw-r--r--include/asm-mips/atomic.h12
-rw-r--r--include/asm-mips/smp.h11
-rw-r--r--include/asm-mips/system.h8
3 files changed, 25 insertions, 6 deletions
diff --git a/include/asm-mips/atomic.h b/include/asm-mips/atomic.h
index 654b97d3e13..2c8b853376c 100644
--- a/include/asm-mips/atomic.h
+++ b/include/asm-mips/atomic.h
@@ -250,7 +250,10 @@ static __inline__ int atomic_sub_if_positive(int i, atomic_t * v)
" subu %0, %1, %3 \n"
" bltz %0, 1f \n"
" sc %0, %2 \n"
+ " .set noreorder \n"
" beqzl %0, 1b \n"
+ " subu %0, %1, %3 \n"
+ " .set reorder \n"
" sync \n"
"1: \n"
" .set mips0 \n"
@@ -266,7 +269,10 @@ static __inline__ int atomic_sub_if_positive(int i, atomic_t * v)
" subu %0, %1, %3 \n"
" bltz %0, 1f \n"
" sc %0, %2 \n"
+ " .set noreorder \n"
" beqz %0, 1b \n"
+ " subu %0, %1, %3 \n"
+ " .set reorder \n"
" sync \n"
"1: \n"
" .set mips0 \n"
@@ -598,7 +604,10 @@ static __inline__ long atomic64_sub_if_positive(long i, atomic64_t * v)
" dsubu %0, %1, %3 \n"
" bltz %0, 1f \n"
" scd %0, %2 \n"
+ " .set noreorder \n"
" beqzl %0, 1b \n"
+ " dsubu %0, %1, %3 \n"
+ " .set reorder \n"
" sync \n"
"1: \n"
" .set mips0 \n"
@@ -614,7 +623,10 @@ static __inline__ long atomic64_sub_if_positive(long i, atomic64_t * v)
" dsubu %0, %1, %3 \n"
" bltz %0, 1f \n"
" scd %0, %2 \n"
+ " .set noreorder \n"
" beqz %0, 1b \n"
+ " dsubu %0, %1, %3 \n"
+ " .set reorder \n"
" sync \n"
"1: \n"
" .set mips0 \n"
diff --git a/include/asm-mips/smp.h b/include/asm-mips/smp.h
index 5618f1e12f4..75c6fe7c212 100644
--- a/include/asm-mips/smp.h
+++ b/include/asm-mips/smp.h
@@ -58,7 +58,9 @@ static inline int num_booting_cpus(void)
return cpus_weight(cpu_callout_map);
}
-/* These are defined by the board-specific code. */
+/*
+ * These are defined by the board-specific code.
+ */
/*
* Cause the function described by call_data to be executed on the passed
@@ -79,7 +81,12 @@ extern void prom_boot_secondary(int cpu, struct task_struct *idle);
extern void prom_init_secondary(void);
/*
- * Detect available CPUs, populate phys_cpu_present_map before smp_init
+ * Populate cpu_possible_map before smp_init, called from setup_arch.
+ */
+extern void plat_smp_setup(void);
+
+/*
+ * Called after init_IRQ but before __cpu_up.
*/
extern void prom_prepare_cpus(unsigned int max_cpus);
diff --git a/include/asm-mips/system.h b/include/asm-mips/system.h
index e8e5d414337..ddae9bae31a 100644
--- a/include/asm-mips/system.h
+++ b/include/asm-mips/system.h
@@ -322,7 +322,7 @@ static inline unsigned long __cmpxchg_u32(volatile int * m, unsigned long old,
#endif
"2: \n"
" .set pop \n"
- : "=&r" (retval), "=m" (*m)
+ : "=&r" (retval), "=R" (*m)
: "R" (*m), "Jr" (old), "Jr" (new)
: "memory");
} else if (cpu_has_llsc) {
@@ -342,7 +342,7 @@ static inline unsigned long __cmpxchg_u32(volatile int * m, unsigned long old,
#endif
"2: \n"
" .set pop \n"
- : "=&r" (retval), "=m" (*m)
+ : "=&r" (retval), "=R" (*m)
: "R" (*m), "Jr" (old), "Jr" (new)
: "memory");
} else {
@@ -379,7 +379,7 @@ static inline unsigned long __cmpxchg_u64(volatile int * m, unsigned long old,
#endif
"2: \n"
" .set pop \n"
- : "=&r" (retval), "=m" (*m)
+ : "=&r" (retval), "=R" (*m)
: "R" (*m), "Jr" (old), "Jr" (new)
: "memory");
} else if (cpu_has_llsc) {
@@ -397,7 +397,7 @@ static inline unsigned long __cmpxchg_u64(volatile int * m, unsigned long old,
#endif
"2: \n"
" .set pop \n"
- : "=&r" (retval), "=m" (*m)
+ : "=&r" (retval), "=R" (*m)
: "R" (*m), "Jr" (old), "Jr" (new)
: "memory");
} else {