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-rw-r--r--arch/alpha/include/asm/Kbuild3
-rw-r--r--arch/alpha/include/asm/atomic.h217
-rw-r--r--arch/alpha/include/asm/io.h12
-rw-r--r--arch/alpha/include/asm/processor.h1
-rw-r--r--arch/alpha/include/asm/scatterlist.h6
-rw-r--r--arch/alpha/include/asm/sections.h7
-rw-r--r--arch/alpha/include/asm/unistd.h2
7 files changed, 95 insertions, 153 deletions
diff --git a/arch/alpha/include/asm/Kbuild b/arch/alpha/include/asm/Kbuild
index 96e54bed5088..25b49725df07 100644
--- a/arch/alpha/include/asm/Kbuild
+++ b/arch/alpha/include/asm/Kbuild
@@ -4,6 +4,9 @@ generic-y += clkdev.h
generic-y += cputime.h
generic-y += exec.h
generic-y += hash.h
+generic-y += irq_work.h
generic-y += mcs_spinlock.h
generic-y += preempt.h
+generic-y += scatterlist.h
+generic-y += sections.h
generic-y += trace_clock.h
diff --git a/arch/alpha/include/asm/atomic.h b/arch/alpha/include/asm/atomic.h
index ed60a1ee1ed3..8f8eafbedd7c 100644
--- a/arch/alpha/include/asm/atomic.h
+++ b/arch/alpha/include/asm/atomic.h
@@ -17,8 +17,8 @@
#define ATOMIC_INIT(i) { (i) }
#define ATOMIC64_INIT(i) { (i) }
-#define atomic_read(v) (*(volatile int *)&(v)->counter)
-#define atomic64_read(v) (*(volatile long *)&(v)->counter)
+#define atomic_read(v) ACCESS_ONCE((v)->counter)
+#define atomic64_read(v) ACCESS_ONCE((v)->counter)
#define atomic_set(v,i) ((v)->counter = (i))
#define atomic64_set(v,i) ((v)->counter = (i))
@@ -29,145 +29,92 @@
* branch back to restart the operation.
*/
-static __inline__ void atomic_add(int i, atomic_t * v)
-{
- unsigned long temp;
- __asm__ __volatile__(
- "1: ldl_l %0,%1\n"
- " addl %0,%2,%0\n"
- " stl_c %0,%1\n"
- " beq %0,2f\n"
- ".subsection 2\n"
- "2: br 1b\n"
- ".previous"
- :"=&r" (temp), "=m" (v->counter)
- :"Ir" (i), "m" (v->counter));
-}
-
-static __inline__ void atomic64_add(long i, atomic64_t * v)
-{
- unsigned long temp;
- __asm__ __volatile__(
- "1: ldq_l %0,%1\n"
- " addq %0,%2,%0\n"
- " stq_c %0,%1\n"
- " beq %0,2f\n"
- ".subsection 2\n"
- "2: br 1b\n"
- ".previous"
- :"=&r" (temp), "=m" (v->counter)
- :"Ir" (i), "m" (v->counter));
-}
-
-static __inline__ void atomic_sub(int i, atomic_t * v)
-{
- unsigned long temp;
- __asm__ __volatile__(
- "1: ldl_l %0,%1\n"
- " subl %0,%2,%0\n"
- " stl_c %0,%1\n"
- " beq %0,2f\n"
- ".subsection 2\n"
- "2: br 1b\n"
- ".previous"
- :"=&r" (temp), "=m" (v->counter)
- :"Ir" (i), "m" (v->counter));
+#define ATOMIC_OP(op) \
+static __inline__ void atomic_##op(int i, atomic_t * v) \
+{ \
+ unsigned long temp; \
+ __asm__ __volatile__( \
+ "1: ldl_l %0,%1\n" \
+ " " #op "l %0,%2,%0\n" \
+ " stl_c %0,%1\n" \
+ " beq %0,2f\n" \
+ ".subsection 2\n" \
+ "2: br 1b\n" \
+ ".previous" \
+ :"=&r" (temp), "=m" (v->counter) \
+ :"Ir" (i), "m" (v->counter)); \
+} \
+
+#define ATOMIC_OP_RETURN(op) \
+static inline int atomic_##op##_return(int i, atomic_t *v) \
+{ \
+ long temp, result; \
+ smp_mb(); \
+ __asm__ __volatile__( \
+ "1: ldl_l %0,%1\n" \
+ " " #op "l %0,%3,%2\n" \
+ " " #op "l %0,%3,%0\n" \
+ " stl_c %0,%1\n" \
+ " beq %0,2f\n" \
+ ".subsection 2\n" \
+ "2: br 1b\n" \
+ ".previous" \
+ :"=&r" (temp), "=m" (v->counter), "=&r" (result) \
+ :"Ir" (i), "m" (v->counter) : "memory"); \
+ smp_mb(); \
+ return result; \
}
-static __inline__ void atomic64_sub(long i, atomic64_t * v)
-{
- unsigned long temp;
- __asm__ __volatile__(
- "1: ldq_l %0,%1\n"
- " subq %0,%2,%0\n"
- " stq_c %0,%1\n"
- " beq %0,2f\n"
- ".subsection 2\n"
- "2: br 1b\n"
- ".previous"
- :"=&r" (temp), "=m" (v->counter)
- :"Ir" (i), "m" (v->counter));
-}
-
-
-/*
- * Same as above, but return the result value
- */
-static inline int atomic_add_return(int i, atomic_t *v)
-{
- long temp, result;
- smp_mb();
- __asm__ __volatile__(
- "1: ldl_l %0,%1\n"
- " addl %0,%3,%2\n"
- " addl %0,%3,%0\n"
- " stl_c %0,%1\n"
- " beq %0,2f\n"
- ".subsection 2\n"
- "2: br 1b\n"
- ".previous"
- :"=&r" (temp), "=m" (v->counter), "=&r" (result)
- :"Ir" (i), "m" (v->counter) : "memory");
- smp_mb();
- return result;
+#define ATOMIC64_OP(op) \
+static __inline__ void atomic64_##op(long i, atomic64_t * v) \
+{ \
+ unsigned long temp; \
+ __asm__ __volatile__( \
+ "1: ldq_l %0,%1\n" \
+ " " #op "q %0,%2,%0\n" \
+ " stq_c %0,%1\n" \
+ " beq %0,2f\n" \
+ ".subsection 2\n" \
+ "2: br 1b\n" \
+ ".previous" \
+ :"=&r" (temp), "=m" (v->counter) \
+ :"Ir" (i), "m" (v->counter)); \
+} \
+
+#define ATOMIC64_OP_RETURN(op) \
+static __inline__ long atomic64_##op##_return(long i, atomic64_t * v) \
+{ \
+ long temp, result; \
+ smp_mb(); \
+ __asm__ __volatile__( \
+ "1: ldq_l %0,%1\n" \
+ " " #op "q %0,%3,%2\n" \
+ " " #op "q %0,%3,%0\n" \
+ " stq_c %0,%1\n" \
+ " beq %0,2f\n" \
+ ".subsection 2\n" \
+ "2: br 1b\n" \
+ ".previous" \
+ :"=&r" (temp), "=m" (v->counter), "=&r" (result) \
+ :"Ir" (i), "m" (v->counter) : "memory"); \
+ smp_mb(); \
+ return result; \
}
-static __inline__ long atomic64_add_return(long i, atomic64_t * v)
-{
- long temp, result;
- smp_mb();
- __asm__ __volatile__(
- "1: ldq_l %0,%1\n"
- " addq %0,%3,%2\n"
- " addq %0,%3,%0\n"
- " stq_c %0,%1\n"
- " beq %0,2f\n"
- ".subsection 2\n"
- "2: br 1b\n"
- ".previous"
- :"=&r" (temp), "=m" (v->counter), "=&r" (result)
- :"Ir" (i), "m" (v->counter) : "memory");
- smp_mb();
- return result;
-}
+#define ATOMIC_OPS(opg) \
+ ATOMIC_OP(opg) \
+ ATOMIC_OP_RETURN(opg) \
+ ATOMIC64_OP(opg) \
+ ATOMIC64_OP_RETURN(opg)
-static __inline__ long atomic_sub_return(int i, atomic_t * v)
-{
- long temp, result;
- smp_mb();
- __asm__ __volatile__(
- "1: ldl_l %0,%1\n"
- " subl %0,%3,%2\n"
- " subl %0,%3,%0\n"
- " stl_c %0,%1\n"
- " beq %0,2f\n"
- ".subsection 2\n"
- "2: br 1b\n"
- ".previous"
- :"=&r" (temp), "=m" (v->counter), "=&r" (result)
- :"Ir" (i), "m" (v->counter) : "memory");
- smp_mb();
- return result;
-}
+ATOMIC_OPS(add)
+ATOMIC_OPS(sub)
-static __inline__ long atomic64_sub_return(long i, atomic64_t * v)
-{
- long temp, result;
- smp_mb();
- __asm__ __volatile__(
- "1: ldq_l %0,%1\n"
- " subq %0,%3,%2\n"
- " subq %0,%3,%0\n"
- " stq_c %0,%1\n"
- " beq %0,2f\n"
- ".subsection 2\n"
- "2: br 1b\n"
- ".previous"
- :"=&r" (temp), "=m" (v->counter), "=&r" (result)
- :"Ir" (i), "m" (v->counter) : "memory");
- smp_mb();
- return result;
-}
+#undef ATOMIC_OPS
+#undef ATOMIC64_OP_RETURN
+#undef ATOMIC64_OP
+#undef ATOMIC_OP_RETURN
+#undef ATOMIC_OP
#define atomic64_cmpxchg(v, old, new) (cmpxchg(&((v)->counter), old, new))
#define atomic64_xchg(v, new) (xchg(&((v)->counter), new))
diff --git a/arch/alpha/include/asm/io.h b/arch/alpha/include/asm/io.h
index 5ebab5895edb..f05bdb4b1cb9 100644
--- a/arch/alpha/include/asm/io.h
+++ b/arch/alpha/include/asm/io.h
@@ -500,10 +500,14 @@ extern inline void writeq(u64 b, volatile void __iomem *addr)
#define outb_p outb
#define outw_p outw
#define outl_p outl
-#define readb_relaxed(addr) __raw_readb(addr)
-#define readw_relaxed(addr) __raw_readw(addr)
-#define readl_relaxed(addr) __raw_readl(addr)
-#define readq_relaxed(addr) __raw_readq(addr)
+#define readb_relaxed(addr) __raw_readb(addr)
+#define readw_relaxed(addr) __raw_readw(addr)
+#define readl_relaxed(addr) __raw_readl(addr)
+#define readq_relaxed(addr) __raw_readq(addr)
+#define writeb_relaxed(b, addr) __raw_writeb(b, addr)
+#define writew_relaxed(b, addr) __raw_writew(b, addr)
+#define writel_relaxed(b, addr) __raw_writel(b, addr)
+#define writeq_relaxed(b, addr) __raw_writeq(b, addr)
#define mmiowb()
diff --git a/arch/alpha/include/asm/processor.h b/arch/alpha/include/asm/processor.h
index 6cb7fe85c4b5..b4cf03690394 100644
--- a/arch/alpha/include/asm/processor.h
+++ b/arch/alpha/include/asm/processor.h
@@ -57,6 +57,7 @@ unsigned long get_wchan(struct task_struct *p);
((tsk) == current ? rdusp() : task_thread_info(tsk)->pcb.usp)
#define cpu_relax() barrier()
+#define cpu_relax_lowlatency() cpu_relax()
#define ARCH_HAS_PREFETCH
#define ARCH_HAS_PREFETCHW
diff --git a/arch/alpha/include/asm/scatterlist.h b/arch/alpha/include/asm/scatterlist.h
deleted file mode 100644
index 017d7471c3c4..000000000000
--- a/arch/alpha/include/asm/scatterlist.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef _ALPHA_SCATTERLIST_H
-#define _ALPHA_SCATTERLIST_H
-
-#include <asm-generic/scatterlist.h>
-
-#endif /* !(_ALPHA_SCATTERLIST_H) */
diff --git a/arch/alpha/include/asm/sections.h b/arch/alpha/include/asm/sections.h
deleted file mode 100644
index 43b40edd6e44..000000000000
--- a/arch/alpha/include/asm/sections.h
+++ /dev/null
@@ -1,7 +0,0 @@
-#ifndef _ALPHA_SECTIONS_H
-#define _ALPHA_SECTIONS_H
-
-/* nothing to see, move along */
-#include <asm-generic/sections.h>
-
-#endif
diff --git a/arch/alpha/include/asm/unistd.h b/arch/alpha/include/asm/unistd.h
index f2c94402e2c8..c509d306db45 100644
--- a/arch/alpha/include/asm/unistd.h
+++ b/arch/alpha/include/asm/unistd.h
@@ -3,7 +3,7 @@
#include <uapi/asm/unistd.h>
-#define NR_SYSCALLS 508
+#define NR_SYSCALLS 511
#define __ARCH_WANT_OLD_READDIR
#define __ARCH_WANT_STAT64