aboutsummaryrefslogtreecommitdiff
path: root/arch/sparc/include/asm
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sparc/include/asm')
-rw-r--r--arch/sparc/include/asm/atomic_32.h13
-rw-r--r--arch/sparc/include/asm/atomic_64.h16
-rw-r--r--arch/sparc/include/asm/head_64.h4
-rw-r--r--arch/sparc/include/asm/pgalloc_64.h6
-rw-r--r--arch/sparc/include/asm/spinlock_32.h7
-rw-r--r--arch/sparc/include/asm/spinlock_64.h10
-rw-r--r--arch/sparc/include/asm/ttable.h8
7 files changed, 44 insertions, 20 deletions
diff --git a/arch/sparc/include/asm/atomic_32.h b/arch/sparc/include/asm/atomic_32.h
index 7dcbebbcaec6..ee3f11c43cda 100644
--- a/arch/sparc/include/asm/atomic_32.h
+++ b/arch/sparc/include/asm/atomic_32.h
@@ -20,9 +20,10 @@
#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_fetch_add(int, atomic_t *);
+int atomic_fetch_and(int, atomic_t *);
+int atomic_fetch_or(int, atomic_t *);
+int atomic_fetch_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);
@@ -35,7 +36,13 @@ void atomic_set(atomic_t *, int);
#define atomic_inc(v) ((void)atomic_add_return( 1, (v)))
#define atomic_dec(v) ((void)atomic_add_return( -1, (v)))
+#define atomic_and(i, v) ((void)atomic_fetch_and((i), (v)))
+#define atomic_or(i, v) ((void)atomic_fetch_or((i), (v)))
+#define atomic_xor(i, v) ((void)atomic_fetch_xor((i), (v)))
+
#define atomic_sub_return(i, v) (atomic_add_return(-(int)(i), (v)))
+#define atomic_fetch_sub(i, v) (atomic_fetch_add (-(int)(i), (v)))
+
#define atomic_inc_return(v) (atomic_add_return( 1, (v)))
#define atomic_dec_return(v) (atomic_add_return( -1, (v)))
diff --git a/arch/sparc/include/asm/atomic_64.h b/arch/sparc/include/asm/atomic_64.h
index f2fbf9e16faf..24827a3f733a 100644
--- a/arch/sparc/include/asm/atomic_64.h
+++ b/arch/sparc/include/asm/atomic_64.h
@@ -28,16 +28,24 @@ void atomic64_##op(long, atomic64_t *);
int atomic_##op##_return(int, atomic_t *); \
long atomic64_##op##_return(long, atomic64_t *);
-#define ATOMIC_OPS(op) ATOMIC_OP(op) ATOMIC_OP_RETURN(op)
+#define ATOMIC_FETCH_OP(op) \
+int atomic_fetch_##op(int, atomic_t *); \
+long atomic64_fetch_##op(long, atomic64_t *);
+
+#define ATOMIC_OPS(op) ATOMIC_OP(op) ATOMIC_OP_RETURN(op) ATOMIC_FETCH_OP(op)
ATOMIC_OPS(add)
ATOMIC_OPS(sub)
-ATOMIC_OP(and)
-ATOMIC_OP(or)
-ATOMIC_OP(xor)
+#undef ATOMIC_OPS
+#define ATOMIC_OPS(op) ATOMIC_OP(op) ATOMIC_FETCH_OP(op)
+
+ATOMIC_OPS(and)
+ATOMIC_OPS(or)
+ATOMIC_OPS(xor)
#undef ATOMIC_OPS
+#undef ATOMIC_FETCH_OP
#undef ATOMIC_OP_RETURN
#undef ATOMIC_OP
diff --git a/arch/sparc/include/asm/head_64.h b/arch/sparc/include/asm/head_64.h
index 10e9dabc4c41..f0700cfeedd7 100644
--- a/arch/sparc/include/asm/head_64.h
+++ b/arch/sparc/include/asm/head_64.h
@@ -15,6 +15,10 @@
#define PTREGS_OFF (STACK_BIAS + STACKFRAME_SZ)
+#define RTRAP_PSTATE (PSTATE_TSO|PSTATE_PEF|PSTATE_PRIV|PSTATE_IE)
+#define RTRAP_PSTATE_IRQOFF (PSTATE_TSO|PSTATE_PEF|PSTATE_PRIV)
+#define RTRAP_PSTATE_AG_IRQOFF (PSTATE_TSO|PSTATE_PEF|PSTATE_PRIV|PSTATE_AG)
+
#define __CHEETAH_ID 0x003e0014
#define __JALAPENO_ID 0x003e0016
#define __SERRANO_ID 0x003e0022
diff --git a/arch/sparc/include/asm/pgalloc_64.h b/arch/sparc/include/asm/pgalloc_64.h
index 5e3187185b4a..3529f1378cd8 100644
--- a/arch/sparc/include/asm/pgalloc_64.h
+++ b/arch/sparc/include/asm/pgalloc_64.h
@@ -41,8 +41,7 @@ static inline void __pud_populate(pud_t *pud, pmd_t *pmd)
static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr)
{
- return kmem_cache_alloc(pgtable_cache,
- GFP_KERNEL|__GFP_REPEAT);
+ return kmem_cache_alloc(pgtable_cache, GFP_KERNEL);
}
static inline void pud_free(struct mm_struct *mm, pud_t *pud)
@@ -52,8 +51,7 @@ static inline void pud_free(struct mm_struct *mm, pud_t *pud)
static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr)
{
- return kmem_cache_alloc(pgtable_cache,
- GFP_KERNEL|__GFP_REPEAT);
+ return kmem_cache_alloc(pgtable_cache, GFP_KERNEL);
}
static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
diff --git a/arch/sparc/include/asm/spinlock_32.h b/arch/sparc/include/asm/spinlock_32.h
index bcc98fc35281..d9c5876c6121 100644
--- a/arch/sparc/include/asm/spinlock_32.h
+++ b/arch/sparc/include/asm/spinlock_32.h
@@ -9,12 +9,15 @@
#ifndef __ASSEMBLY__
#include <asm/psr.h>
+#include <asm/barrier.h>
#include <asm/processor.h> /* for cpu_relax */
#define arch_spin_is_locked(lock) (*((volatile unsigned char *)(lock)) != 0)
-#define arch_spin_unlock_wait(lock) \
- do { while (arch_spin_is_locked(lock)) cpu_relax(); } while (0)
+static inline void arch_spin_unlock_wait(arch_spinlock_t *lock)
+{
+ smp_cond_load_acquire(&lock->lock, !VAL);
+}
static inline void arch_spin_lock(arch_spinlock_t *lock)
{
diff --git a/arch/sparc/include/asm/spinlock_64.h b/arch/sparc/include/asm/spinlock_64.h
index 968917694978..87990b7c6b0d 100644
--- a/arch/sparc/include/asm/spinlock_64.h
+++ b/arch/sparc/include/asm/spinlock_64.h
@@ -8,6 +8,9 @@
#ifndef __ASSEMBLY__
+#include <asm/processor.h>
+#include <asm/barrier.h>
+
/* To get debugging spinlocks which detect and catch
* deadlock situations, set CONFIG_DEBUG_SPINLOCK
* and rebuild your kernel.
@@ -23,9 +26,10 @@
#define arch_spin_is_locked(lp) ((lp)->lock != 0)
-#define arch_spin_unlock_wait(lp) \
- do { rmb(); \
- } while((lp)->lock)
+static inline void arch_spin_unlock_wait(arch_spinlock_t *lock)
+{
+ smp_cond_load_acquire(&lock->lock, !VAL);
+}
static inline void arch_spin_lock(arch_spinlock_t *lock)
{
diff --git a/arch/sparc/include/asm/ttable.h b/arch/sparc/include/asm/ttable.h
index 71b5a67522ab..781b9f1dbdc2 100644
--- a/arch/sparc/include/asm/ttable.h
+++ b/arch/sparc/include/asm/ttable.h
@@ -589,8 +589,8 @@ user_rtt_fill_64bit: \
restored; \
nop; nop; nop; nop; nop; nop; \
nop; nop; nop; nop; nop; \
- ba,a,pt %xcc, user_rtt_fill_fixup; \
- ba,a,pt %xcc, user_rtt_fill_fixup; \
+ ba,a,pt %xcc, user_rtt_fill_fixup_dax; \
+ ba,a,pt %xcc, user_rtt_fill_fixup_mna; \
ba,a,pt %xcc, user_rtt_fill_fixup;
@@ -652,8 +652,8 @@ user_rtt_fill_32bit: \
restored; \
nop; nop; nop; nop; nop; \
nop; nop; nop; \
- ba,a,pt %xcc, user_rtt_fill_fixup; \
- ba,a,pt %xcc, user_rtt_fill_fixup; \
+ ba,a,pt %xcc, user_rtt_fill_fixup_dax; \
+ ba,a,pt %xcc, user_rtt_fill_fixup_mna; \
ba,a,pt %xcc, user_rtt_fill_fixup;
Powered by cgit, Gruvboxed by Blaster4385.