diff options
Diffstat (limited to 'arch/sparc/include')
-rw-r--r-- | arch/sparc/include/asm/atomic_32.h | 4 | ||||
-rw-r--r-- | arch/sparc/include/asm/atomic_64.h | 4 | ||||
-rw-r--r-- | arch/sparc/include/asm/barrier_64.h | 4 | ||||
-rw-r--r-- | arch/sparc/include/asm/jump_label.h | 35 |
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; |