4 files changed, 9 insertions, 15 deletions

diff --git a/arch/sparc/include/asm/hardirq_32.h b/arch/sparc/include/asm/hardirq_32.h
index 4f63ed8df551..162007643cdc 100644
--- a/arch/sparc/include/asm/hardirq_32.h
+++ b/arch/sparc/include/asm/hardirq_32.h
@@ -7,17 +7,7 @@
 #ifndef __SPARC_HARDIRQ_H
 #define __SPARC_HARDIRQ_H
 
-#include <linux/threads.h>
-#include <linux/spinlock.h>
-#include <linux/cache.h>
-
-/* entry.S is sensitive to the offsets of these fields */ /* XXX P3 Is it? */
-typedef struct {
-        unsigned int __softirq_pending;
-} ____cacheline_aligned irq_cpustat_t;
-
-#include <linux/irq_cpustat.h>  /* Standard mappings for irq_cpustat_t above */
-
 #define HARDIRQ_BITS    8
+#include <asm-generic/hardirq.h>
 
 #endif /* __SPARC_HARDIRQ_H */
diff --git a/arch/sparc/include/asm/irq_32.h b/arch/sparc/include/asm/irq_32.h
index ea43057d4763..cbf4801deaaf 100644
--- a/arch/sparc/include/asm/irq_32.h
+++ b/arch/sparc/include/asm/irq_32.h
@@ -6,10 +6,10 @@
 #ifndef _SPARC_IRQ_H
 #define _SPARC_IRQ_H
 
-#include <linux/interrupt.h>
-
 #define NR_IRQS    16
 
+#include <linux/interrupt.h>
+
 #define irq_canonicalize(irq)   (irq)
 
 extern void __init init_IRQ(void);
diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h
index 0ff92fa22064..f3cb790fa2ae 100644
--- a/arch/sparc/include/asm/pgtable_64.h
+++ b/arch/sparc/include/asm/pgtable_64.h
@@ -41,8 +41,8 @@
 #define LOW_OBP_ADDRESS         _AC(0x00000000f0000000,UL)
 #define HI_OBP_ADDRESS          _AC(0x0000000100000000,UL)
 #define VMALLOC_START           _AC(0x0000000100000000,UL)
-#define VMALLOC_END             _AC(0x0000000200000000,UL)
-#define VMEMMAP_BASE            _AC(0x0000000200000000,UL)
+#define VMALLOC_END             _AC(0x0000010000000000,UL)
+#define VMEMMAP_BASE            _AC(0x0000010000000000,UL)
 
 #define vmemmap                 ((struct page *)VMEMMAP_BASE)
 
diff --git a/arch/sparc/include/asm/system_64.h b/arch/sparc/include/asm/system_64.h
index 25e848f0cad7..d47a98e66972 100644
--- a/arch/sparc/include/asm/system_64.h
+++ b/arch/sparc/include/asm/system_64.h
@@ -63,6 +63,10 @@ do {	__asm__ __volatile__("ba,pt	%%xcc, 1f\n\t" \
                              : : : "memory"); \
 } while (0)
 
+/* The kernel always executes in TSO memory model these days,
+ * and furthermore most sparc64 chips implement more stringent
+ * memory ordering than required by the specifications.
+ */
 #define mb()    membar_safe("#StoreLoad")
 #define rmb()   __asm__ __volatile__("":::"memory")
 #define wmb()   __asm__ __volatile__("":::"memory")