summaryrefslogtreecommitdiffstats
path: root/arch/sparc/include
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sparc/include')
-rw-r--r--arch/sparc/include/asm/atomic_32.h4
-rw-r--r--arch/sparc/include/asm/atomic_64.h4
-rw-r--r--arch/sparc/include/asm/barrier_64.h4
-rw-r--r--arch/sparc/include/asm/jump_label.h35
4 files changed, 35 insertions, 12 deletions
diff --git a/arch/sparc/include/asm/atomic_32.h b/arch/sparc/include/asm/atomic_32.h
index 0e69b7e7a439..7dcbebbcaec6 100644
--- a/arch/sparc/include/asm/atomic_32.h
+++ b/arch/sparc/include/asm/atomic_32.h
@@ -17,10 +17,12 @@
#include <asm/barrier.h>
#include <asm-generic/atomic64.h>
-
#define ATOMIC_INIT(i) { (i) }
int atomic_add_return(int, atomic_t *);
+void atomic_and(int, atomic_t *);
+void atomic_or(int, atomic_t *);
+void atomic_xor(int, atomic_t *);
int atomic_cmpxchg(atomic_t *, int, int);
int atomic_xchg(atomic_t *, int);
int __atomic_add_unless(atomic_t *, int, int);
diff --git a/arch/sparc/include/asm/atomic_64.h b/arch/sparc/include/asm/atomic_64.h
index 4082749913ce..917084ace49d 100644
--- a/arch/sparc/include/asm/atomic_64.h
+++ b/arch/sparc/include/asm/atomic_64.h
@@ -33,6 +33,10 @@ long atomic64_##op##_return(long, atomic64_t *);
ATOMIC_OPS(add)
ATOMIC_OPS(sub)
+ATOMIC_OP(and)
+ATOMIC_OP(or)
+ATOMIC_OP(xor)
+
#undef ATOMIC_OPS
#undef ATOMIC_OP_RETURN
#undef ATOMIC_OP
diff --git a/arch/sparc/include/asm/barrier_64.h b/arch/sparc/include/asm/barrier_64.h
index 809941e33e12..14a928601657 100644
--- a/arch/sparc/include/asm/barrier_64.h
+++ b/arch/sparc/include/asm/barrier_64.h
@@ -60,12 +60,12 @@ do { __asm__ __volatile__("ba,pt %%xcc, 1f\n\t" \
do { \
compiletime_assert_atomic_type(*p); \
barrier(); \
- ACCESS_ONCE(*p) = (v); \
+ WRITE_ONCE(*p, v); \
} while (0)
#define smp_load_acquire(p) \
({ \
- typeof(*p) ___p1 = ACCESS_ONCE(*p); \
+ typeof(*p) ___p1 = READ_ONCE(*p); \
compiletime_assert_atomic_type(*p); \
barrier(); \
___p1; \
diff --git a/arch/sparc/include/asm/jump_label.h b/arch/sparc/include/asm/jump_label.h
index cc9b04a2b11b..62d0354d1727 100644
--- a/arch/sparc/include/asm/jump_label.h
+++ b/arch/sparc/include/asm/jump_label.h
@@ -7,16 +7,33 @@
#define JUMP_LABEL_NOP_SIZE 4
-static __always_inline bool arch_static_branch(struct static_key *key)
+static __always_inline bool arch_static_branch(struct static_key *key, bool branch)
{
- asm_volatile_goto("1:\n\t"
- "nop\n\t"
- "nop\n\t"
- ".pushsection __jump_table, \"aw\"\n\t"
- ".align 4\n\t"
- ".word 1b, %l[l_yes], %c0\n\t"
- ".popsection \n\t"
- : : "i" (key) : : l_yes);
+ asm_volatile_goto("1:\n\t"
+ "nop\n\t"
+ "nop\n\t"
+ ".pushsection __jump_table, \"aw\"\n\t"
+ ".align 4\n\t"
+ ".word 1b, %l[l_yes], %c0\n\t"
+ ".popsection \n\t"
+ : : "i" (&((char *)key)[branch]) : : l_yes);
+
+ return false;
+l_yes:
+ return true;
+}
+
+static __always_inline bool arch_static_branch_jump(struct static_key *key, bool branch)
+{
+ asm_volatile_goto("1:\n\t"
+ "b %l[l_yes]\n\t"
+ "nop\n\t"
+ ".pushsection __jump_table, \"aw\"\n\t"
+ ".align 4\n\t"
+ ".word 1b, %l[l_yes], %c0\n\t"
+ ".popsection \n\t"
+ : : "i" (&((char *)key)[branch]) : : l_yes);
+
return false;
l_yes:
return true;