7 files changed, 61 insertions, 15 deletions
diff --git a/include/asm-sparc/atomic.h b/include/asm-sparc/atomic.h
index 731fa56e0c37..bdca5416d8b0 100644
--- a/include/asm-sparc/atomic.h
+++ b/include/asm-sparc/atomic.h
@@ -2,6 +2,7 @@
  *
  * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
  * Copyright (C) 2000 Anton Blanchard (anton@linuxcare.com.au)
+ * Copyright (C) 2007 Kyle McMartin (kyle@parisc-linux.org)
  *
  * Additions by Keith M Wesolowski (wesolows@foobazco.org) based
  * on asm-parisc/atomic.h Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org>.
@@ -10,11 +11,48 @@
 #ifndef __ARCH_SPARC_ATOMIC__
 #define __ARCH_SPARC_ATOMIC__
 
+#include <linux/types.h>
 
 typedef struct { volatile int counter; } atomic_t;
 
 #ifdef __KERNEL__
 
+/* Emulate cmpxchg() the same way we emulate atomics,
+ * by hashing the object address and indexing into an array
+ * of spinlocks to get a bit of performance...
+ *
+ * See arch/sparc/lib/atomic32.c for implementation.
+ *
+ * Cribbed from <asm-parisc/atomic.h>
+ */
+#define __HAVE_ARCH_CMPXCHG	1
+
+/* bug catcher for when unsupported size is used - won't link */
+extern void __cmpxchg_called_with_bad_pointer(void);
+/* we only need to support cmpxchg of a u32 on sparc */
+extern unsigned long __cmpxchg_u32(volatile u32 *m, u32 old, u32 new_);
+
+/* don't worry...optimizer will get rid of most of this */
+static __inline__ unsigned long
+__cmpxchg(volatile void *ptr, unsigned long old, unsigned long new_, int size)
+{
+	switch(size) {
+	case 4:
+		return __cmpxchg_u32((u32 *)ptr, (u32)old, (u32)new_);
+	default:
+		__cmpxchg_called_with_bad_pointer();
+		break;
+	}
+	return old;
+}
+
+#define cmpxchg(ptr,o,n) ({						\
+	__typeof__(*(ptr)) _o_ = (o);					\
+	__typeof__(*(ptr)) _n_ = (n);					\
+	(__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_,	\
+			(unsigned long)_n_, sizeof(*(ptr)));		\
+})
+
 #define ATOMIC_INIT(i)  { (i) }
 
 extern int __atomic_add_return(int, atomic_t *);
diff --git a/include/asm-sparc/kdebug.h b/include/asm-sparc/kdebug.h
index fba92485fdba..631f15ffef73 100644
--- a/include/asm-sparc/kdebug.h
+++ b/include/asm-sparc/kdebug.h
@@ -58,6 +58,10 @@ static inline void sp_enter_debugger(void)
 	       sp_enter_debugger(); \
 		       } while(0)
 
+enum die_val {
+	DIE_UNUSED,
+};
+
 #endif /* !(__ASSEMBLY__) */
 
 /* Some nice offset defines for assembler code. */
diff --git a/include/asm-sparc/pgtable.h b/include/asm-sparc/pgtable.h
index 4f0a5ba0d6a0..59229aeba27b 100644
--- a/include/asm-sparc/pgtable.h
+++ b/include/asm-sparc/pgtable.h
@@ -446,6 +446,17 @@ extern int io_remap_pfn_range(struct vm_area_struct *vma,
 #define GET_IOSPACE(pfn)		(pfn >> (BITS_PER_LONG - 4))
 #define GET_PFN(pfn)			(pfn & 0x0fffffffUL)
 
+#define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS
+#define ptep_set_access_flags(__vma, __address, __ptep, __entry, __dirty) \
+({									  \
+	int __changed = !pte_same(*(__ptep), __entry);			  \
+	if (__changed) {						  \
+		set_pte_at((__vma)->vm_mm, (__address), __ptep, __entry); \
+		flush_tlb_page(__vma, __address);			  \
+	}								  \
+	(sparc_cpu_model == sun4c) || __changed;			  \
+})
+
 #include <asm-generic/pgtable.h>
 
 #endif /* !(__ASSEMBLY__) */
diff --git a/include/asm-sparc/poll.h b/include/asm-sparc/poll.h
index 26f13fb35497..091d3ad2e830 100644
--- a/include/asm-sparc/poll.h
+++ b/include/asm-sparc/poll.h
@@ -1,24 +1,12 @@
 #ifndef __SPARC_POLL_H
 #define __SPARC_POLL_H
 
-#define POLLIN		  1
-#define POLLPRI		  2
-#define POLLOUT		  4
-#define POLLERR		  8
-#define POLLHUP		 16
-#define POLLNVAL	 32
-#define POLLRDNORM	 64
 #define POLLWRNORM	POLLOUT
-#define POLLRDBAND	128
 #define POLLWRBAND	256
 #define POLLMSG		512
 #define POLLREMOVE	1024
 #define POLLRDHUP       2048
 
-struct pollfd {
-	int fd;
-	short events;
-	short revents;
-};
+#include <asm-generic/poll.h>
 
 #endif
diff --git a/include/asm-sparc/smp.h b/include/asm-sparc/smp.h
index b9da9a600e35..b3f492208fd2 100644
--- a/include/asm-sparc/smp.h
+++ b/include/asm-sparc/smp.h
@@ -165,6 +165,7 @@ void smp_setup_cpu_possible_map(void);
 
 #else /* SMP */
 
+#define hard_smp_processor_id()		0
 #define smp_setup_cpu_possible_map() do { } while (0)
 
 #endif /* !(SMP) */
diff --git a/include/asm-sparc/system.h b/include/asm-sparc/system.h
index 100c3eaf3c1f..8b4e23b3bb38 100644
--- a/include/asm-sparc/system.h
+++ b/include/asm-sparc/system.h
@@ -11,6 +11,7 @@
 #include <asm/psr.h>
 #include <asm/ptrace.h>
 #include <asm/btfixup.h>
+#include <asm/smp.h>
 
 #ifndef __ASSEMBLY__
 
@@ -241,7 +242,6 @@ static inline unsigned long xchg_u32(__volatile__ unsigned long *m, unsigned lon
 }
 
 #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
-#define tas(ptr) (xchg((ptr),1))
 
 extern void __xchg_called_with_bad_pointer(void);
 
diff --git a/include/asm-sparc/unistd.h b/include/asm-sparc/unistd.h
index e43ed1d63a9d..64471bcd96f9 100644
--- a/include/asm-sparc/unistd.h
+++ b/include/asm-sparc/unistd.h
@@ -326,8 +326,12 @@
 #define __NR_move_pages		307
 #define __NR_getcpu		308
 #define __NR_epoll_pwait	309
+#define __NR_utimensat		310
+#define __NR_signalfd		311
+#define __NR_timerfd		312
+#define __NR_eventfd		313
 
-#define NR_SYSCALLS		310
+#define NR_SYSCALLS		314
 
 #ifdef __KERNEL__
 #define __ARCH_WANT_IPC_PARSE_VERSION