Merge master.kernel.org:/home/davem/BK/sparc-2.5

into penguin.transmeta.com:/home/penguin/torvalds/repositories/kernel/linux

11 files changed, 115 insertions, 131 deletions

diff --git a/arch/sparc/kernel/ptrace.c b/arch/sparc/kernel/ptrace.c
index 1d30b5c857f6..bff771351607 100644
--- a/arch/sparc/kernel/ptrace.c
+++ b/arch/sparc/kernel/ptrace.c
@@ -234,29 +234,13 @@ failure:
 
 #ifdef DEBUG_PTRACE
 char *pt_rq [] = {
-"TRACEME",
-"PEEKTEXT",
-"PEEKDATA",
-"PEEKUSR",
-"POKETEXT",
-"POKEDATA",
-"POKEUSR",
-"CONT",
-"KILL",
-"SINGLESTEP",
-"SUNATTACH",
-"SUNDETACH",
-"GETREGS",
-"SETREGS",
-"GETFPREGS",
-"SETFPREGS",
-"READDATA",
-"WRITEDATA",
-"READTEXT",
-"WRITETEXT",
-"GETFPAREGS",
-"SETFPAREGS",
-""
+	/* 0  */ "TRACEME", "PEEKTEXT", "PEEKDATA", "PEEKUSR",
+	/* 4  */ "POKETEXT", "POKEDATA", "POKEUSR", "CONT",
+	/* 8  */ "KILL", "SINGLESTEP", "SUNATTACH", "SUNDETACH",
+	/* 12 */ "GETREGS", "SETREGS", "GETFPREGS", "SETFPREGS",
+	/* 16 */ "READDATA", "WRITEDATA", "READTEXT", "WRITETEXT",
+	/* 20 */ "GETFPAREGS", "SETFPAREGS", "unknown", "unknown",
+	/* 24 */ "SYSCALL", ""
 };
 #endif
 
@@ -285,7 +269,7 @@ asmlinkage void do_ptrace(struct pt_regs *regs)
 	{
 		char *s;
 
-		if ((request > 0) && (request < 21))
+		if ((request >= 0) && (request <= 24))
 			s = pt_rq [request];
 		else
 			s = "unknown";
diff --git a/arch/sparc/kernel/sys_sunos.c b/arch/sparc/kernel/sys_sunos.c
index de714d85dc7a..e76331f217bb 100644
--- a/arch/sparc/kernel/sys_sunos.c
+++ b/arch/sparc/kernel/sys_sunos.c
@@ -1048,8 +1048,8 @@ static inline int check_nonblock(int ret, int fd)
 	return ret;
 }
 
-extern asmlinkage int sys_read(unsigned int fd,char *buf,int count);
-extern asmlinkage int sys_write(unsigned int fd,char *buf,int count);
+extern asmlinkage ssize_t sys_read(unsigned int fd,char *buf,int count);
+extern asmlinkage ssize_t sys_write(unsigned int fd,char *buf,int count);
 extern asmlinkage int sys_recv(int fd, void * ubuf, int size, unsigned flags);
 extern asmlinkage int sys_send(int fd, void * buff, int len, unsigned flags);
 extern asmlinkage int sys_accept(int fd, struct sockaddr *sa, int *addrlen);
diff --git a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c
index f21d155c68c0..9f37fe4cf202 100644
--- a/arch/sparc64/kernel/pci.c
+++ b/arch/sparc64/kernel/pci.c
@@ -181,11 +181,11 @@ extern void rs_init(void);
 extern void clock_probe(void);
 extern void power_init(void);
 
-static void __init pcibios_init(void)
+static int __init pcibios_init(void)
 {
 	pci_controller_probe();
 	if (pci_controller_root == NULL)
-		return;
+		return 0;
 
 	pci_scan_each_controller_bus();
 
@@ -197,6 +197,8 @@ static void __init pcibios_init(void)
 	rs_init();
 	clock_probe();
 	power_init();
+
+	return 0;
 }
 
 subsys_initcall(pcibios_init);
diff --git a/arch/sparc64/kernel/process.c b/arch/sparc64/kernel/process.c
index dbb518664f42..f6e0ab087bd8 100644
--- a/arch/sparc64/kernel/process.c
+++ b/arch/sparc64/kernel/process.c
@@ -586,13 +586,6 @@ barf:
  * under SunOS are nothing short of bletcherous:
  * Parent -->  %o0 == childs  pid, %o1 == 0
  * Child  -->  %o0 == parents pid, %o1 == 1
- *
- * NOTE: We have a separate fork kpsr/kwim because
- *       the parent could change these values between
- *       sys_fork invocation and when we reach here
- *       if the parent should sleep while trying to
- *       allocate the task_struct and kernel stack in
- *       do_fork().
  */
 int copy_thread(int nr, unsigned long clone_flags, unsigned long sp,
 		unsigned long unused,
diff --git a/arch/sparc64/kernel/ptrace.c b/arch/sparc64/kernel/ptrace.c
index eb925b279393..c84a95ee9ee6 100644
--- a/arch/sparc64/kernel/ptrace.c
+++ b/arch/sparc64/kernel/ptrace.c
@@ -78,29 +78,13 @@ pt_os_succ_return (struct pt_regs *regs, unsigned long val, long *addr)
 
 #ifdef DEBUG_PTRACE
 char *pt_rq [] = {
-"TRACEME",
-"PEEKTEXT",
-"PEEKDATA",
-"PEEKUSR",
-"POKETEXT",
-"POKEDATA",
-"POKEUSR",
-"CONT",
-"KILL",
-"SINGLESTEP",
-"SUNATTACH",
-"SUNDETACH",
-"GETREGS",
-"SETREGS",
-"GETFPREGS",
-"SETFPREGS",
-"READDATA",
-"WRITEDATA",
-"READTEXT",
-"WRITETEXT",
-"GETFPAREGS",
-"SETFPAREGS",
-""
+	/* 0  */ "TRACEME", "PEEKTEXT", "PEEKDATA", "PEEKUSR",
+	/* 4  */ "POKETEXT", "POKEDATA", "POKEUSR", "CONT",
+	/* 8  */ "KILL", "SINGLESTEP", "SUNATTACH", "SUNDETACH",
+	/* 12 */ "GETREGS", "SETREGS", "GETFPREGS", "SETFPREGS",
+	/* 16 */ "READDATA", "WRITEDATA", "READTEXT", "WRITETEXT",
+	/* 20 */ "GETFPAREGS", "SETFPAREGS", "unknown", "unknown",
+	/* 24 */ "SYSCALL", ""
 };
 #endif
 
@@ -134,7 +118,7 @@ asmlinkage void do_ptrace(struct pt_regs *regs)
 	{
 		char *s;
 
-		if ((request > 0) && (request < 21))
+		if ((request >= 0) && (request <= 24))
 			s = pt_rq [request];
 		else
 			s = "unknown";
diff --git a/arch/sparc64/kernel/sparc64_ksyms.c b/arch/sparc64/kernel/sparc64_ksyms.c
index e0fac33482a8..5ada28c9939c 100644
--- a/arch/sparc64/kernel/sparc64_ksyms.c
+++ b/arch/sparc64/kernel/sparc64_ksyms.c
@@ -372,6 +372,10 @@ void VISenter(void);
 /* RAID code needs this */
 EXPORT_SYMBOL_NOVERS(VISenter);
 
+extern void batten_down_hatches(void);
+/* for input/keybdev */
+EXPORT_SYMBOL(batten_down_hatches);
+
 #ifdef CONFIG_DEBUG_BUGVERBOSE
 EXPORT_SYMBOL(do_BUG);
 #endif
diff --git a/arch/sparc64/kernel/sys_sunos32.c b/arch/sparc64/kernel/sys_sunos32.c
index f0e4a4b1e60c..c364a7a481db 100644
--- a/arch/sparc64/kernel/sys_sunos32.c
+++ b/arch/sparc64/kernel/sys_sunos32.c
@@ -1198,8 +1198,8 @@ static inline int check_nonblock(int ret, int fd)
 	return ret;
 }
 
-extern asmlinkage int sys_read(unsigned int fd, char *buf, unsigned long count);
-extern asmlinkage int sys_write(unsigned int fd, char *buf, unsigned long count);
+extern asmlinkage ssize_t sys_read(unsigned int fd, char *buf, unsigned long count);
+extern asmlinkage ssize_t sys_write(unsigned int fd, char *buf, unsigned long count);
 extern asmlinkage int sys_recv(int fd, void *ubuf, size_t size, unsigned flags);
 extern asmlinkage int sys_send(int fd, void *buff, size_t len, unsigned flags);
 extern asmlinkage int sys_accept(int fd, struct sockaddr *sa, int *addrlen);
diff --git a/drivers/video/aty/mach64_gx.c b/drivers/video/aty/mach64_gx.c
index 86d7d7eec69a..25ea5837a03a 100644
--- a/drivers/video/aty/mach64_gx.c
+++ b/drivers/video/aty/mach64_gx.c
@@ -5,6 +5,7 @@
 
 #include <linux/delay.h>
 #include <linux/fb.h>
+#include <linux/sched.h>
 
 #include <asm/io.h>
 
diff --git a/include/asm-sparc64/bitops.h b/include/asm-sparc64/bitops.h
index ac5e20e78d5e..40af670f7eef 100644
--- a/include/asm-sparc64/bitops.h
+++ b/include/asm-sparc64/bitops.h
@@ -10,9 +10,9 @@
 #include <linux/compiler.h>
 #include <asm/byteorder.h>
 
-extern long ___test_and_set_bit(unsigned long nr, volatile void *addr);
-extern long ___test_and_clear_bit(unsigned long nr, volatile void *addr);
-extern long ___test_and_change_bit(unsigned long nr, volatile void *addr);
+extern long ___test_and_set_bit(unsigned long nr, volatile unsigned long *addr);
+extern long ___test_and_clear_bit(unsigned long nr, volatile unsigned long *addr);
+extern long ___test_and_change_bit(unsigned long nr, volatile unsigned long *addr);
 
 #define test_and_set_bit(nr,addr)	({___test_and_set_bit(nr,addr)!=0;})
 #define test_and_clear_bit(nr,addr)	({___test_and_clear_bit(nr,addr)!=0;})
@@ -22,52 +22,64 @@ extern long ___test_and_change_bit(unsigned long nr, volatile void *addr);
 #define change_bit(nr,addr)		((void)___test_and_change_bit(nr,addr))
 
 /* "non-atomic" versions... */
-#define __set_bit(X,Y)					\
-do {	unsigned long __nr = (X);			\
-	long *__m = ((long *) (Y)) + (__nr >> 6);	\
-	*__m |= (1UL << (__nr & 63));			\
-} while (0)
-#define __clear_bit(X,Y)				\
-do {	unsigned long __nr = (X);			\
-	long *__m = ((long *) (Y)) + (__nr >> 6);	\
-	*__m &= ~(1UL << (__nr & 63));			\
-} while (0)
-#define __change_bit(X,Y)				\
-do {	unsigned long __nr = (X);			\
-	long *__m = ((long *) (Y)) + (__nr >> 6);	\
-	*__m ^= (1UL << (__nr & 63));			\
-} while (0)
-#define __test_and_set_bit(X,Y)				\
-({	unsigned long __nr = (X);			\
-	long *__m = ((long *) (Y)) + (__nr >> 6);	\
-	long __old = *__m;				\
-	long __mask = (1UL << (__nr & 63));		\
-	*__m = (__old | __mask);			\
-	((__old & __mask) != 0);			\
-})
-#define __test_and_clear_bit(X,Y)			\
-({	unsigned long __nr = (X);			\
-	long *__m = ((long *) (Y)) + (__nr >> 6);	\
-	long __old = *__m;				\
-	long __mask = (1UL << (__nr & 63));		\
-	*__m = (__old & ~__mask);			\
-	((__old & __mask) != 0);			\
-})
-#define __test_and_change_bit(X,Y)			\
-({	unsigned long __nr = (X);			\
-	long *__m = ((long *) (Y)) + (__nr >> 6);	\
-	long __old = *__m;				\
-	long __mask = (1UL << (__nr & 63));		\
-	*__m = (__old ^ __mask);			\
-	((__old & __mask) != 0);			\
-})
+
+static __inline__ void __set_bit(int nr, volatile unsigned long *addr)
+{
+	volatile unsigned long *m = addr + (nr >> 6);
+
+	*m |= (1UL << (nr & 63));
+}
+
+static __inline__ void __clear_bit(int nr, volatile unsigned long *addr)
+{
+	volatile unsigned long *m = addr + (nr >> 6);
+
+	*m &= ~(1UL << (nr & 63));
+}
+
+static __inline__ void __change_bit(int nr, volatile unsigned long *addr)
+{
+	volatile unsigned long *m = addr + (nr >> 6);
+
+	*m ^= (1UL << (nr & 63));
+}
+
+static __inline__ int __test_and_set_bit(int nr, volatile unsigned long *addr)
+{
+	volatile unsigned long *m = addr + (nr >> 6);
+	long old = *m;
+	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)
+{
+	volatile unsigned long *m = addr + (nr >> 6);
+	long old = *m;
+	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)
+{
+	volatile unsigned long *m = addr + (nr >> 6);
+	long old = *m;
+	long mask = (1UL << (nr & 63));
+
+	*m = (old ^ mask);
+	return ((old & mask) != 0);
+}
 
 #define smp_mb__before_clear_bit()	do { } while(0)
 #define smp_mb__after_clear_bit()	do { } while(0)
 
-static __inline__ int test_bit(int nr, __const__ void *addr)
+static __inline__ int test_bit(int nr, __const__ volatile unsigned long *addr)
 {
-	return (1UL & (((__const__ long *) addr)[nr >> 6] >> (nr & 63))) != 0UL;
+	return (1UL & ((addr)[nr >> 6] >> (nr & 63))) != 0UL;
 }
 
 /* The easy/cheese version for now. */
@@ -177,9 +189,9 @@ static __inline__ unsigned int hweight8(unsigned int w)
  * @offset: The bitnumber to start searching at
  * @size: The maximum size to search
  */
-static __inline__ unsigned long find_next_bit(void *addr, unsigned long size, unsigned long offset)
+static __inline__ unsigned long find_next_bit(unsigned long *addr, unsigned long size, unsigned long offset)
 {
-	unsigned long *p = ((unsigned long *) addr) + (offset >> 6);
+	unsigned long *p = addr + (offset >> 6);
 	unsigned long result = offset & ~63UL;
 	unsigned long tmp;
 
@@ -231,9 +243,9 @@ found_middle:
  * on Linus's ALPHA routines, which are pretty portable BTW.
  */
 
-static __inline__ unsigned long find_next_zero_bit(void *addr, unsigned long size, unsigned long offset)
+static __inline__ unsigned long find_next_zero_bit(unsigned long *addr, unsigned long size, unsigned long offset)
 {
-	unsigned long *p = ((unsigned long *) addr) + (offset >> 6);
+	unsigned long *p = addr + (offset >> 6);
 	unsigned long result = offset & ~63UL;
 	unsigned long tmp;
 
@@ -272,15 +284,15 @@ found_middle:
 #define find_first_zero_bit(addr, size) \
         find_next_zero_bit((addr), (size), 0)
 
-extern long ___test_and_set_le_bit(int nr, volatile void *addr);
-extern long ___test_and_clear_le_bit(int nr, volatile void *addr);
+extern long ___test_and_set_le_bit(int nr, volatile unsigned long *addr);
+extern long ___test_and_clear_le_bit(int nr, volatile unsigned long *addr);
 
 #define test_and_set_le_bit(nr,addr)	({___test_and_set_le_bit(nr,addr)!=0;})
 #define test_and_clear_le_bit(nr,addr)	({___test_and_clear_le_bit(nr,addr)!=0;})
 #define set_le_bit(nr,addr)		((void)___test_and_set_le_bit(nr,addr))
 #define clear_le_bit(nr,addr)		((void)___test_and_clear_le_bit(nr,addr))
 
-static __inline__ int test_le_bit(int nr, __const__ void * addr)
+static __inline__ int test_le_bit(int nr, __const__ unsigned long * addr)
 {
 	int			mask;
 	__const__ unsigned char	*ADDR = (__const__ unsigned char *) addr;
@@ -293,9 +305,9 @@ static __inline__ int test_le_bit(int nr, __const__ void * addr)
 #define find_first_zero_le_bit(addr, size) \
         find_next_zero_le_bit((addr), (size), 0)
 
-static __inline__ unsigned long find_next_zero_le_bit(void *addr, unsigned long size, unsigned long offset)
+static __inline__ unsigned long find_next_zero_le_bit(unsigned long *addr, unsigned long size, unsigned long offset)
 {
-	unsigned long *p = ((unsigned long *) addr) + (offset >> 6);
+	unsigned long *p = addr + (offset >> 6);
 	unsigned long result = offset & ~63UL;
 	unsigned long tmp;
 
@@ -332,18 +344,22 @@ found_middle:
 
 #ifdef __KERNEL__
 
-#define ext2_set_bit			test_and_set_le_bit
-#define ext2_clear_bit			test_and_clear_le_bit
-#define ext2_test_bit  			test_le_bit
-#define ext2_find_first_zero_bit	find_first_zero_le_bit
-#define ext2_find_next_zero_bit		find_next_zero_le_bit
+#define ext2_set_bit(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))
+#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))
 
 /* Bitmap functions for the minix filesystem.  */
-#define minix_test_and_set_bit(nr,addr) test_and_set_bit(nr,addr)
-#define minix_set_bit(nr,addr) set_bit(nr,addr)
-#define minix_test_and_clear_bit(nr,addr) test_and_clear_bit(nr,addr)
-#define minix_test_bit(nr,addr) test_bit(nr,addr)
-#define minix_find_first_zero_bit(addr,size) find_first_zero_bit(addr,size)
+#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))
 
 #endif /* __KERNEL__ */
 
diff --git a/include/asm-sparc64/visasm.h b/include/asm-sparc64/visasm.h
index 1d12a5025a7c..55e92117cd35 100644
--- a/include/asm-sparc64/visasm.h
+++ b/include/asm-sparc64/visasm.h
@@ -10,8 +10,6 @@
 #include <asm/pstate.h>
 #include <asm/ptrace.h>
 
-#define AOFF_task_fpregs	(((ASIZ_task) + (64 - 1)) & ~(64 - 1))
- 
 /* Clobbers %o5, %g1, %g2, %g3, %g7, %icc, %xcc */
 
 #define VISEntry					\
diff --git a/include/math-emu/op-common.h b/include/math-emu/op-common.h
index 7b0206384cff..8c54bf6b956c 100644
--- a/include/math-emu/op-common.h
+++ b/include/math-emu/op-common.h
@@ -765,23 +765,25 @@ do {									\
   do {									\
     if (r)								\
       {									\
+        unsigned rtype ur_;						\
 	X##_c = FP_CLS_NORMAL;						\
 									\
 	if ((X##_s = (r < 0)))						\
 	  r = -r;							\
 									\
+	ur_ = (unsigned rtype) r;					\
 	if (rsize <= _FP_W_TYPE_SIZE)					\
-	  __FP_CLZ(X##_e, r);						\
+	  __FP_CLZ(X##_e, ur_);						\
 	else								\
-	  __FP_CLZ_2(X##_e, (_FP_W_TYPE)(r >> _FP_W_TYPE_SIZE), 	\
-		     (_FP_W_TYPE)r);					\
+	  __FP_CLZ_2(X##_e, (_FP_W_TYPE)(ur_ >> _FP_W_TYPE_SIZE), 	\
+		     (_FP_W_TYPE)ur_);					\
 	if (rsize < _FP_W_TYPE_SIZE)					\
 		X##_e -= (_FP_W_TYPE_SIZE - rsize);			\
 	X##_e = rsize - X##_e - 1;					\
 									\
 	if (_FP_FRACBITS_##fs < rsize && _FP_WFRACBITS_##fs < X##_e)	\
-	  __FP_FRAC_SRS_1(r, (X##_e - _FP_WFRACBITS_##fs + 1), rsize);	\
-	_FP_FRAC_DISASSEMBLE_##wc(X, ((unsigned rtype)r), rsize);	\
+	  __FP_FRAC_SRS_1(ur_, (X##_e - _FP_WFRACBITS_##fs + 1), rsize);\
+	_FP_FRAC_DISASSEMBLE_##wc(X, ur_, rsize);			\
 	if ((_FP_WFRACBITS_##fs - X##_e - 1) > 0)			\
 	  _FP_FRAC_SLL_##wc(X, (_FP_WFRACBITS_##fs - X##_e - 1));	\
       }									\