6 files changed, 45 insertions, 214 deletions

diff --git a/include/asm-sparc64/bitops.h b/include/asm-sparc64/bitops.h
index 6efc0162fb09..71944b0f09de 100644
--- a/include/asm-sparc64/bitops.h
+++ b/include/asm-sparc64/bitops.h
@@ -18,58 +18,7 @@ extern void set_bit(unsigned long nr, volatile unsigned long *addr);
 extern void clear_bit(unsigned long nr, volatile unsigned long *addr);
 extern void change_bit(unsigned long nr, volatile unsigned long *addr);
 
-/* "non-atomic" versions... */
-
-static inline void __set_bit(int nr, volatile unsigned long *addr)
-{
-	unsigned long *m = ((unsigned long *)addr) + (nr >> 6);
-
-	*m |= (1UL << (nr & 63));
-}
-
-static inline void __clear_bit(int nr, volatile unsigned long *addr)
-{
-	unsigned long *m = ((unsigned long *)addr) + (nr >> 6);
-
-	*m &= ~(1UL << (nr & 63));
-}
-
-static inline void __change_bit(int nr, volatile unsigned long *addr)
-{
-	unsigned long *m = ((unsigned long *)addr) + (nr >> 6);
-
-	*m ^= (1UL << (nr & 63));
-}
-
-static inline int __test_and_set_bit(int nr, volatile unsigned long *addr)
-{
-	unsigned long *m = ((unsigned long *)addr) + (nr >> 6);
-	unsigned long old = *m;
-	unsigned long mask = (1UL << (nr & 63));
-
-	*m = (old | mask);
-	return ((old & mask) != 0);
-}
-
-static inline int __test_and_clear_bit(int nr, volatile unsigned long *addr)
-{
-	unsigned long *m = ((unsigned long *)addr) + (nr >> 6);
-	unsigned long old = *m;
-	unsigned long mask = (1UL << (nr & 63));
-
-	*m = (old & ~mask);
-	return ((old & mask) != 0);
-}
-
-static inline int __test_and_change_bit(int nr, volatile unsigned long *addr)
-{
-	unsigned long *m = ((unsigned long *)addr) + (nr >> 6);
-	unsigned long old = *m;
-	unsigned long mask = (1UL << (nr & 63));
-
-	*m = (old ^ mask);
-	return ((old & mask) != 0);
-}
+#include <asm-generic/bitops/non-atomic.h>
 
 #ifdef CONFIG_SMP
 #define smp_mb__before_clear_bit()	membar_storeload_loadload()
@@ -79,78 +28,15 @@ static inline int __test_and_change_bit(int nr, volatile unsigned long *addr)
 #define smp_mb__after_clear_bit()	barrier()
 #endif
 
-static inline int test_bit(int nr, __const__ volatile unsigned long *addr)
-{
-	return (1UL & (addr[nr >> 6] >> (nr & 63))) != 0UL;
-}
-
-/* The easy/cheese version for now. */
-static inline unsigned long ffz(unsigned long word)
-{
-	unsigned long result;
-
-	result = 0;
-	while(word & 1) {
-		result++;
-		word >>= 1;
-	}
-	return result;
-}
-
-/**
- * __ffs - find first bit in word.
- * @word: The word to search
- *
- * Undefined if no bit exists, so code should check against 0 first.
- */
-static inline unsigned long __ffs(unsigned long word)
-{
-	unsigned long result = 0;
-
-	while (!(word & 1UL)) {
-		result++;
-		word >>= 1;
-	}
-	return result;
-}
-
-/*
- * fls: find last bit set.
- */
-
-#define fls(x) generic_fls(x)
-#define fls64(x)   generic_fls64(x)
+#include <asm-generic/bitops/ffz.h>
+#include <asm-generic/bitops/__ffs.h>
+#include <asm-generic/bitops/fls.h>
+#include <asm-generic/bitops/fls64.h>
 
 #ifdef __KERNEL__
 
-/*
- * Every architecture must define this function. It's the fastest
- * way of searching a 140-bit bitmap where the first 100 bits are
- * unlikely to be set. It's guaranteed that at least one of the 140
- * bits is cleared.
- */
-static inline int sched_find_first_bit(unsigned long *b)
-{
-	if (unlikely(b[0]))
-		return __ffs(b[0]);
-	if (unlikely(((unsigned int)b[1])))
-		return __ffs(b[1]) + 64;
-	if (b[1] >> 32)
-		return __ffs(b[1] >> 32) + 96;
-	return __ffs(b[2]) + 128;
-}
-
-/*
- * ffs: find first bit set. This is defined the same way as
- * the libc and compiler builtin ffs routines, therefore
- * differs in spirit from the above ffz (man ffs).
- */
-static inline int ffs(int x)
-{
-	if (!x)
-		return 0;
-	return __ffs((unsigned long)x) + 1;
-}
+#include <asm-generic/bitops/sched.h>
+#include <asm-generic/bitops/ffs.h>
 
 /*
  * hweightN: returns the hamming weight (i.e. the number
@@ -193,102 +79,23 @@ static inline unsigned int hweight8(unsigned int w)
 
 #else
 
-#define hweight64(x) generic_hweight64(x)
-#define hweight32(x) generic_hweight32(x)
-#define hweight16(x) generic_hweight16(x)
-#define hweight8(x) generic_hweight8(x)
+#include <asm-generic/bitops/hweight.h>
 
 #endif
 #endif /* __KERNEL__ */
 
-/**
- * find_next_bit - find the next set bit in a memory region
- * @addr: The address to base the search on
- * @offset: The bitnumber to start searching at
- * @size: The maximum size to search
- */
-extern unsigned long find_next_bit(const unsigned long *, unsigned long,
-					unsigned long);
-
-/**
- * find_first_bit - find the first set bit in a memory region
- * @addr: The address to start the search at
- * @size: The maximum size to search
- *
- * Returns the bit-number of the first set bit, not the number of the byte
- * containing a bit.
- */
-#define find_first_bit(addr, size) \
-	find_next_bit((addr), (size), 0)
-
-/* find_next_zero_bit() finds the first zero bit in a bit string of length
- * 'size' bits, starting the search at bit 'offset'. This is largely based
- * on Linus's ALPHA routines, which are pretty portable BTW.
- */
-
-extern unsigned long find_next_zero_bit(const unsigned long *,
-					unsigned long, unsigned long);
-
-#define find_first_zero_bit(addr, size) \
-        find_next_zero_bit((addr), (size), 0)
-
-#define test_and_set_le_bit(nr,addr)	\
-	test_and_set_bit((nr) ^ 0x38, (addr))
-#define test_and_clear_le_bit(nr,addr)	\
-	test_and_clear_bit((nr) ^ 0x38, (addr))
-
-static inline int test_le_bit(int nr, __const__ unsigned long * addr)
-{
-	int			mask;
-	__const__ unsigned char	*ADDR = (__const__ unsigned char *) addr;
-
-	ADDR += nr >> 3;
-	mask = 1 << (nr & 0x07);
-	return ((mask & *ADDR) != 0);
-}
-
-#define find_first_zero_le_bit(addr, size) \
-        find_next_zero_le_bit((addr), (size), 0)
-
-extern unsigned long find_next_zero_le_bit(unsigned long *, unsigned long, unsigned long);
+#include <asm-generic/bitops/find.h>
 
 #ifdef __KERNEL__
 
-#define __set_le_bit(nr, addr) \
-	__set_bit((nr) ^ 0x38, (addr))
-#define __clear_le_bit(nr, addr) \
-	__clear_bit((nr) ^ 0x38, (addr))
-#define __test_and_clear_le_bit(nr, addr) \
-	__test_and_clear_bit((nr) ^ 0x38, (addr))
-#define __test_and_set_le_bit(nr, addr) \
-	__test_and_set_bit((nr) ^ 0x38, (addr))
+#include <asm-generic/bitops/ext2-non-atomic.h>
 
-#define ext2_set_bit(nr,addr)	\
-	__test_and_set_le_bit((nr),(unsigned long *)(addr))
 #define ext2_set_bit_atomic(lock,nr,addr) \
-	test_and_set_le_bit((nr),(unsigned long *)(addr))
-#define ext2_clear_bit(nr,addr)	\
-	__test_and_clear_le_bit((nr),(unsigned long *)(addr))
+	test_and_set_bit((nr) ^ 0x38,(unsigned long *)(addr))
 #define ext2_clear_bit_atomic(lock,nr,addr) \
-	test_and_clear_le_bit((nr),(unsigned long *)(addr))
-#define ext2_test_bit(nr,addr)	\
-	test_le_bit((nr),(unsigned long *)(addr))
-#define ext2_find_first_zero_bit(addr, size) \
-	find_first_zero_le_bit((unsigned long *)(addr), (size))
-#define ext2_find_next_zero_bit(addr, size, off) \
-	find_next_zero_le_bit((unsigned long *)(addr), (size), (off))
+	test_and_clear_bit((nr) ^ 0x38,(unsigned long *)(addr))
 
-/* Bitmap functions for the minix filesystem.  */
-#define minix_test_and_set_bit(nr,addr)	\
-	test_and_set_bit((nr),(unsigned long *)(addr))
-#define minix_set_bit(nr,addr)	\
-	set_bit((nr),(unsigned long *)(addr))
-#define minix_test_and_clear_bit(nr,addr) \
-	test_and_clear_bit((nr),(unsigned long *)(addr))
-#define minix_test_bit(nr,addr)	\
-	test_bit((nr),(unsigned long *)(addr))
-#define minix_find_first_zero_bit(addr,size) \
-	find_first_zero_bit((unsigned long *)(addr),(size))
+#include <asm-generic/bitops/minix.h>
 
 #endif /* __KERNEL__ */
 
diff --git a/include/asm-sparc64/floppy.h b/include/asm-sparc64/floppy.h
index 49d49a285943..6a95d5d0c576 100644
--- a/include/asm-sparc64/floppy.h
+++ b/include/asm-sparc64/floppy.h
@@ -738,7 +738,7 @@ static unsigned long __init sun_floppy_init(void)
 		if (!sun_floppy_types[0] && sun_floppy_types[1]) {
 			/*
 			 * Set the drive exchange bit in FCR on NS87303,
-			 * make shure other bits are sane before doing so.
+			 * make sure other bits are sane before doing so.
 			 */
 			ns87303_modify(config, FER, FER_EDM, 0);
 			ns87303_modify(config, ASC, ASC_DRV2_SEL, 0);
diff --git a/include/asm-sparc64/futex.h b/include/asm-sparc64/futex.h
index 34c4b43d3f98..dee40206b221 100644
--- a/include/asm-sparc64/futex.h
+++ b/include/asm-sparc64/futex.h
@@ -83,4 +83,28 @@ static inline int futex_atomic_op_inuser(int encoded_op, int __user *uaddr)
 	return ret;
 }
 
+static inline int
+futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval)
+{
+	__asm__ __volatile__(
+	"\n1:	lduwa	[%2] %%asi, %0\n"
+	"2:	casa	[%2] %%asi, %0, %1\n"
+	"3:\n"
+	"	.section .fixup,#alloc,#execinstr\n"
+	"	.align	4\n"
+	"4:	ba	3b\n"
+	"	 mov	%3, %0\n"
+	"	.previous\n"
+	"	.section __ex_table,\"a\"\n"
+	"	.align	4\n"
+	"	.word	1b, 4b\n"
+	"	.word	2b, 4b\n"
+	"	.previous\n"
+	: "=&r" (oldval)
+	: "r" (newval), "r" (uaddr), "i" (-EFAULT)
+	: "memory");
+
+	return oldval;
+}
+
 #endif /* !(_SPARC64_FUTEX_H) */
diff --git a/include/asm-sparc64/kdebug.h b/include/asm-sparc64/kdebug.h
index 6321f5a0198d..4040d127ac3e 100644
--- a/include/asm-sparc64/kdebug.h
+++ b/include/asm-sparc64/kdebug.h
@@ -15,12 +15,9 @@ struct die_args {
 	int signr;
 };
 
-/* Note - you should never unregister because that can race with NMIs.
- * If you really want to do it first unregister - then synchronize_sched
- * - then free.
- */
-int register_die_notifier(struct notifier_block *nb);
-extern struct notifier_block *sparc64die_chain;
+extern int register_die_notifier(struct notifier_block *);
+extern int unregister_die_notifier(struct notifier_block *);
+extern struct atomic_notifier_head sparc64die_chain;
 
 extern void bad_trap(struct pt_regs *, long);
 
@@ -46,7 +43,7 @@ static inline int notify_die(enum die_val val,char *str, struct pt_regs *regs,
 				 .trapnr	= trap,
 				 .signr		= sig };
 
-	return notifier_call_chain(&sparc64die_chain, val, &args);
+	return atomic_notifier_call_chain(&sparc64die_chain, val, &args);
 }
 
 #endif
diff --git a/include/asm-sparc64/page.h b/include/asm-sparc64/page.h
index 66fe4ac59fd6..aabb21906724 100644
--- a/include/asm-sparc64/page.h
+++ b/include/asm-sparc64/page.h
@@ -111,6 +111,8 @@ typedef unsigned long pgprot_t;
 				 (_AC(0x0000000070000000,UL)) : \
 				 (_AC(0xfffff80000000000,UL) + (1UL << 32UL)))
 
+#include <asm-generic/memory_model.h>
+
 #endif /* !(__ASSEMBLY__) */
 
 /* to align the pointer to the (next) page boundary */
diff --git a/include/asm-sparc64/poll.h b/include/asm-sparc64/poll.h
index 31b611aa7468..ab6b0d1bb4ad 100644
--- a/include/asm-sparc64/poll.h
+++ b/include/asm-sparc64/poll.h
@@ -13,6 +13,7 @@
 #define POLLWRBAND	256
 #define POLLMSG		512
 #define POLLREMOVE	1024
+#define POLLRDHUP       2048
 
 struct pollfd {
 	int fd;