Merge master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc-merge

12 files changed, 2 insertions, 1410 deletions

diff --git a/include/asm-ppc/bitops.h b/include/asm-ppc/bitops.h
deleted file mode 100644
index e30f536..0000000
--- a/include/asm-ppc/bitops.h
+++ /dev/null
@@ -1,460 +0,0 @@
-/*
- * bitops.h: Bit string operations on the ppc
- */
-
-#ifdef __KERNEL__
-#ifndef _PPC_BITOPS_H
-#define _PPC_BITOPS_H
-
-#include <linux/config.h>
-#include <linux/compiler.h>
-#include <asm/byteorder.h>
-#include <asm/atomic.h>
-
-/*
- * The test_and_*_bit operations are taken to imply a memory barrier
- * on SMP systems.
- */
-#ifdef CONFIG_SMP
-#define SMP_WMB		"eieio\n"
-#define SMP_MB		"\nsync"
-#else
-#define SMP_WMB
-#define SMP_MB
-#endif /* CONFIG_SMP */
-
-static __inline__ void set_bit(int nr, volatile unsigned long * addr)
-{
-	unsigned long old;
-	unsigned long mask = 1 << (nr & 0x1f);
-	unsigned long *p = ((unsigned long *)addr) + (nr >> 5);
-	
-	__asm__ __volatile__("\n\
-1:	lwarx	%0,0,%3 \n\
-	or	%0,%0,%2 \n"
-	PPC405_ERR77(0,%3)
-"	stwcx.	%0,0,%3 \n\
-	bne-	1b"
-	: "=&r" (old), "=m" (*p)
-	: "r" (mask), "r" (p), "m" (*p)
-	: "cc" );
-}
-
-/*
- * non-atomic version
- */
-static __inline__ void __set_bit(int nr, volatile unsigned long *addr)
-{
-	unsigned long mask = 1 << (nr & 0x1f);
-	unsigned long *p = ((unsigned long *)addr) + (nr >> 5);
-
-	*p |= mask;
-}
-
-/*
- * clear_bit doesn't imply a memory barrier
- */
-#define smp_mb__before_clear_bit()	smp_mb()
-#define smp_mb__after_clear_bit()	smp_mb()
-
-static __inline__ void clear_bit(int nr, volatile unsigned long *addr)
-{
-	unsigned long old;
-	unsigned long mask = 1 << (nr & 0x1f);
-	unsigned long *p = ((unsigned long *)addr) + (nr >> 5);
-
-	__asm__ __volatile__("\n\
-1:	lwarx	%0,0,%3 \n\
-	andc	%0,%0,%2 \n"
-	PPC405_ERR77(0,%3)
-"	stwcx.	%0,0,%3 \n\
-	bne-	1b"
-	: "=&r" (old), "=m" (*p)
-	: "r" (mask), "r" (p), "m" (*p)
-	: "cc");
-}
-
-/*
- * non-atomic version
- */
-static __inline__ void __clear_bit(int nr, volatile unsigned long *addr)
-{
-	unsigned long mask = 1 << (nr & 0x1f);
-	unsigned long *p = ((unsigned long *)addr) + (nr >> 5);
-
-	*p &= ~mask;
-}
-
-static __inline__ void change_bit(int nr, volatile unsigned long *addr)
-{
-	unsigned long old;
-	unsigned long mask = 1 << (nr & 0x1f);
-	unsigned long *p = ((unsigned long *)addr) + (nr >> 5);
-
-	__asm__ __volatile__("\n\
-1:	lwarx	%0,0,%3 \n\
-	xor	%0,%0,%2 \n"
-	PPC405_ERR77(0,%3)
-"	stwcx.	%0,0,%3 \n\
-	bne-	1b"
-	: "=&r" (old), "=m" (*p)
-	: "r" (mask), "r" (p), "m" (*p)
-	: "cc");
-}
-
-/*
- * non-atomic version
- */
-static __inline__ void __change_bit(int nr, volatile unsigned long *addr)
-{
-	unsigned long mask = 1 << (nr & 0x1f);
-	unsigned long *p = ((unsigned long *)addr) + (nr >> 5);
-
-	*p ^= mask;
-}
-
-/*
- * test_and_*_bit do imply a memory barrier (?)
- */
-static __inline__ int test_and_set_bit(int nr, volatile unsigned long *addr)
-{
-	unsigned int old, t;
-	unsigned int mask = 1 << (nr & 0x1f);
-	volatile unsigned int *p = ((volatile unsigned int *)addr) + (nr >> 5);
-
-	__asm__ __volatile__(SMP_WMB "\n\
-1:	lwarx	%0,0,%4 \n\
-	or	%1,%0,%3 \n"
-	PPC405_ERR77(0,%4)
-"	stwcx.	%1,0,%4 \n\
-	bne	1b"
-	SMP_MB
-	: "=&r" (old), "=&r" (t), "=m" (*p)
-	: "r" (mask), "r" (p), "m" (*p)
-	: "cc", "memory");
-
-	return (old & mask) != 0;
-}
-
-/*
- * non-atomic version
- */
-static __inline__ int __test_and_set_bit(int nr, volatile unsigned long *addr)
-{
-	unsigned long mask = 1 << (nr & 0x1f);
-	unsigned long *p = ((unsigned long *)addr) + (nr >> 5);
-	unsigned long old = *p;
-
-	*p = old | mask;
-	return (old & mask) != 0;
-}
-
-static __inline__ int test_and_clear_bit(int nr, volatile unsigned long *addr)
-{
-	unsigned int old, t;
-	unsigned int mask = 1 << (nr & 0x1f);
-	volatile unsigned int *p = ((volatile unsigned int *)addr) + (nr >> 5);
-
-	__asm__ __volatile__(SMP_WMB "\n\
-1:	lwarx	%0,0,%4 \n\
-	andc	%1,%0,%3 \n"
-	PPC405_ERR77(0,%4)
-"	stwcx.	%1,0,%4 \n\
-	bne	1b"
-	SMP_MB
-	: "=&r" (old), "=&r" (t), "=m" (*p)
-	: "r" (mask), "r" (p), "m" (*p)
-	: "cc", "memory");
-
-	return (old & mask) != 0;
-}
-
-/*
- * non-atomic version
- */
-static __inline__ int __test_and_clear_bit(int nr, volatile unsigned long *addr)
-{
-	unsigned long mask = 1 << (nr & 0x1f);
-	unsigned long *p = ((unsigned long *)addr) + (nr >> 5);
-	unsigned long old = *p;
-
-	*p = old & ~mask;
-	return (old & mask) != 0;
-}
-
-static __inline__ int test_and_change_bit(int nr, volatile unsigned long *addr)
-{
-	unsigned int old, t;
-	unsigned int mask = 1 << (nr & 0x1f);
-	volatile unsigned int *p = ((volatile unsigned int *)addr) + (nr >> 5);
-
-	__asm__ __volatile__(SMP_WMB "\n\
-1:	lwarx	%0,0,%4 \n\
-	xor	%1,%0,%3 \n"
-	PPC405_ERR77(0,%4)
-"	stwcx.	%1,0,%4 \n\
-	bne	1b"
-	SMP_MB
-	: "=&r" (old), "=&r" (t), "=m" (*p)
-	: "r" (mask), "r" (p), "m" (*p)
-	: "cc", "memory");
-
-	return (old & mask) != 0;
-}
-
-/*
- * non-atomic version
- */
-static __inline__ int __test_and_change_bit(int nr, volatile unsigned long *addr)
-{
-	unsigned long mask = 1 << (nr & 0x1f);
-	unsigned long *p = ((unsigned long *)addr) + (nr >> 5);
-	unsigned long old = *p;
-
-	*p = old ^ mask;
-	return (old & mask) != 0;
-}
-
-static __inline__ int test_bit(int nr, __const__ volatile unsigned long *addr)
-{
-	return ((addr[nr >> 5] >> (nr & 0x1f)) & 1) != 0;
-}
-
-/* Return the bit position of the most significant 1 bit in a word */
-static __inline__ int __ilog2(unsigned long x)
-{
-	int lz;
-
-	asm ("cntlzw %0,%1" : "=r" (lz) : "r" (x));
-	return 31 - lz;
-}
-
-static __inline__ int ffz(unsigned long x)
-{
-	if ((x = ~x) == 0)
-		return 32;
-	return __ilog2(x & -x);
-}
-
-static inline int __ffs(unsigned long x)
-{
-	return __ilog2(x & -x);
-}
-
-/*
- * 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)
-{
-	return __ilog2(x & -x) + 1;
-}
-
-/*
- * fls: find last (most-significant) bit set.
- * Note fls(0) = 0, fls(1) = 1, fls(0x80000000) = 32.
- */
-static __inline__ int fls(unsigned int x)
-{
-	int lz;
-
-	asm ("cntlzw %0,%1" : "=r" (lz) : "r" (x));
-	return 32 - lz;
-}
-
-/*
- * hweightN: returns the hamming weight (i.e. the number
- * of bits set) of a N-bit word
- */
-
-#define hweight32(x) generic_hweight32(x)
-#define hweight16(x) generic_hweight16(x)
-#define hweight8(x) generic_hweight8(x)
-
-/*
- * Find the first bit set in a 140-bit bitmap.
- * The first 100 bits are unlikely to be set.
- */
-static inline int sched_find_first_bit(const unsigned long *b)
-{
-	if (unlikely(b[0]))
-		return __ffs(b[0]);
-	if (unlikely(b[1]))
-		return __ffs(b[1]) + 32;
-	if (unlikely(b[2]))
-		return __ffs(b[2]) + 64;
-	if (b[3])
-		return __ffs(b[3]) + 96;
-	return __ffs(b[4]) + 128;
-}
-
-/**
- * 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
- */
-static __inline__ unsigned long find_next_bit(const unsigned long *addr,
-	unsigned long size, unsigned long offset)
-{
-	unsigned int *p = ((unsigned int *) addr) + (offset >> 5);
-	unsigned int result = offset & ~31UL;
-	unsigned int tmp;
-
-	if (offset >= size)
-		return size;
-	size -= result;
-	offset &= 31UL;
-	if (offset) {
-		tmp = *p++;
-		tmp &= ~0UL << offset;
-		if (size < 32)
-			goto found_first;
-		if (tmp)
-			goto found_middle;
-		size -= 32;
-		result += 32;
-	}
-	while (size >= 32) {
-		if ((tmp = *p++) != 0)
-			goto found_middle;
-		result += 32;
-		size -= 32;
-	}
-	if (!size)
-		return result;
-	tmp = *p;
-
-found_first:
-	tmp &= ~0UL >> (32 - size);
-	if (tmp == 0UL)        /* Are any bits set? */
-		return result + size; /* Nope. */
-found_middle:
-	return result + __ffs(tmp);
-}
-
-/**
- * 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)
-
-/*
- * This implementation of find_{first,next}_zero_bit was stolen from
- * Linus' asm-alpha/bitops.h.
- */
-#define find_first_zero_bit(addr, size) \
-	find_next_zero_bit((addr), (size), 0)
-
-static __inline__ unsigned long find_next_zero_bit(const unsigned long *addr,
-	unsigned long size, unsigned long offset)
-{
-	unsigned int * p = ((unsigned int *) addr) + (offset >> 5);
-	unsigned int result = offset & ~31UL;
-	unsigned int tmp;
-
-	if (offset >= size)
-		return size;
-	size -= result;
-	offset &= 31UL;
-	if (offset) {
-		tmp = *p++;
-		tmp |= ~0UL >> (32-offset);
-		if (size < 32)
-			goto found_first;
-		if (tmp != ~0U)
-			goto found_middle;
-		size -= 32;
-		result += 32;
-	}
-	while (size >= 32) {
-		if ((tmp = *p++) != ~0U)
-			goto found_middle;
-		result += 32;
-		size -= 32;
-	}
-	if (!size)
-		return result;
-	tmp = *p;
-found_first:
-	tmp |= ~0UL << size;
-	if (tmp == ~0UL)        /* Are any bits zero? */
-		return result + size; /* Nope. */
-found_middle:
-	return result + ffz(tmp);
-}
-
-
-#define ext2_set_bit(nr, addr)	__test_and_set_bit((nr) ^ 0x18, (unsigned long *)(addr))
-#define ext2_set_bit_atomic(lock, nr, addr)  test_and_set_bit((nr) ^ 0x18, (unsigned long *)(addr))
-#define ext2_clear_bit(nr, addr) __test_and_clear_bit((nr) ^ 0x18, (unsigned long *)(addr))
-#define ext2_clear_bit_atomic(lock, nr, addr) test_and_clear_bit((nr) ^ 0x18, (unsigned long *)(addr))
-
-static __inline__ int ext2_test_bit(int nr, __const__ void * addr)
-{
-	__const__ unsigned char	*ADDR = (__const__ unsigned char *) addr;
-
-	return (ADDR[nr >> 3] >> (nr & 7)) & 1;
-}
-
-/*
- * This implementation of ext2_find_{first,next}_zero_bit was stolen from
- * Linus' asm-alpha/bitops.h and modified for a big-endian machine.
- */
-
-#define ext2_find_first_zero_bit(addr, size) \
-        ext2_find_next_zero_bit((addr), (size), 0)
-
-static __inline__ unsigned long ext2_find_next_zero_bit(const void *addr,
-	unsigned long size, unsigned long offset)
-{
-	unsigned int *p = ((unsigned int *) addr) + (offset >> 5);
-	unsigned int result = offset & ~31UL;
-	unsigned int tmp;
-
-	if (offset >= size)
-		return size;
-	size -= result;
-	offset &= 31UL;
-	if (offset) {
-		tmp = cpu_to_le32p(p++);
-		tmp |= ~0UL >> (32-offset);
-		if (size < 32)
-			goto found_first;
-		if (tmp != ~0U)
-			goto found_middle;
-		size -= 32;
-		result += 32;
-	}
-	while (size >= 32) {
-		if ((tmp = cpu_to_le32p(p++)) != ~0U)
-			goto found_middle;
-		result += 32;
-		size -= 32;
-	}
-	if (!size)
-		return result;
-	tmp = cpu_to_le32p(p);
-found_first:
-	tmp |= ~0U << size;
-	if (tmp == ~0UL)        /* Are any bits zero? */
-		return result + size; /* Nope. */
-found_middle:
-	return result + ffz(tmp);
-}
-
-/* Bitmap functions for the minix filesystem.  */
-#define minix_test_and_set_bit(nr,addr) ext2_set_bit(nr,addr)
-#define minix_set_bit(nr,addr) ((void)ext2_set_bit(nr,addr))
-#define minix_test_and_clear_bit(nr,addr) ext2_clear_bit(nr,addr)
-#define minix_test_bit(nr,addr) ext2_test_bit(nr,addr)
-#define minix_find_first_zero_bit(addr,size) ext2_find_first_zero_bit(addr,size)
-
-#endif /* _PPC_BITOPS_H */
-#endif /* __KERNEL__ */
diff --git a/include/asm-ppc/commproc.h b/include/asm-ppc/commproc.h
index 5bbb8e2..973e609 100644
--- a/include/asm-ppc/commproc.h
+++ b/include/asm-ppc/commproc.h
@@ -83,6 +83,8 @@ extern uint m8xx_cpm_hostalloc(uint size);
 extern int  m8xx_cpm_hostfree(uint start);
 extern void m8xx_cpm_hostdump(void);
 
+extern void cpm_load_patch(volatile immap_t *immr);
+
 /* Buffer descriptors used by many of the CPM protocols.
 */
 typedef struct cpm_buf_desc {
diff --git a/include/asm-ppc/futex.h b/include/asm-ppc/futex.h
deleted file mode 100644
index 9feff4c..0000000
--- a/include/asm-ppc/futex.h
+++ /dev/null
@@ -1,53 +0,0 @@
-#ifndef _ASM_FUTEX_H
-#define _ASM_FUTEX_H
-
-#ifdef __KERNEL__
-
-#include <linux/futex.h>
-#include <asm/errno.h>
-#include <asm/uaccess.h>
-
-static inline int
-futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
-{
-	int op = (encoded_op >> 28) & 7;
-	int cmp = (encoded_op >> 24) & 15;
-	int oparg = (encoded_op << 8) >> 20;
-	int cmparg = (encoded_op << 20) >> 20;
-	int oldval = 0, ret;
-	if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))
-		oparg = 1 << oparg;
-
-	if (! access_ok (VERIFY_WRITE, uaddr, sizeof(int)))
-		return -EFAULT;
-
-	inc_preempt_count();
-
-	switch (op) {
-	case FUTEX_OP_SET:
-	case FUTEX_OP_ADD:
-	case FUTEX_OP_OR:
-	case FUTEX_OP_ANDN:
-	case FUTEX_OP_XOR:
-	default:
-		ret = -ENOSYS;
-	}
-
-	dec_preempt_count();
-
-	if (!ret) {
-		switch (cmp) {
-		case FUTEX_OP_CMP_EQ: ret = (oldval == cmparg); break;
-		case FUTEX_OP_CMP_NE: ret = (oldval != cmparg); break;
-		case FUTEX_OP_CMP_LT: ret = (oldval < cmparg); break;
-		case FUTEX_OP_CMP_GE: ret = (oldval >= cmparg); break;
-		case FUTEX_OP_CMP_LE: ret = (oldval <= cmparg); break;
-		case FUTEX_OP_CMP_GT: ret = (oldval > cmparg); break;
-		default: ret = -ENOSYS;
-		}
-	}
-	return ret;
-}
-
-#endif
-#endif
diff --git a/include/asm-ppc/ipcbuf.h b/include/asm-ppc/ipcbuf.h
deleted file mode 100644
index fab6752..0000000
--- a/include/asm-ppc/ipcbuf.h
+++ /dev/null
@@ -1,29 +0,0 @@
-#ifndef __PPC_IPCBUF_H__
-#define __PPC_IPCBUF_H__
-
-/*
- * The ipc64_perm structure for PPC architecture.
- * Note extra padding because this structure is passed back and forth
- * between kernel and user space.
- *
- * Pad space is left for:
- * - 1 32-bit value to fill up for 8-byte alignment
- * - 2 miscellaneous 64-bit values (so that this structure matches
- *                                  PPC64 ipc64_perm)
- */
-
-struct ipc64_perm
-{
-	__kernel_key_t		key;
-	__kernel_uid_t		uid;
-	__kernel_gid_t		gid;
-	__kernel_uid_t		cuid;
-	__kernel_gid_t		cgid;
-	__kernel_mode_t		mode;
-	unsigned long		seq;
-	unsigned int		__pad2;
-	unsigned long long	__unused1;
-	unsigned long long	__unused2;
-};
-
-#endif /* __PPC_IPCBUF_H__ */
diff --git a/include/asm-ppc/kexec.h b/include/asm-ppc/kexec.h
deleted file mode 100644
index 6d2aa0a..0000000
--- a/include/asm-ppc/kexec.h
+++ /dev/null
@@ -1,40 +0,0 @@
-#ifndef _PPC_KEXEC_H
-#define _PPC_KEXEC_H
-
-#ifdef CONFIG_KEXEC
-
-/*
- * KEXEC_SOURCE_MEMORY_LIMIT maximum page get_free_page can return.
- * I.e. Maximum page that is mapped directly into kernel memory,
- * and kmap is not required.
- *
- * Someone correct me if FIXADDR_START - PAGEOFFSET is not the correct
- * calculation for the amount of memory directly mappable into the
- * kernel memory space.
- */
-
-/* Maximum physical address we can use pages from */
-#define KEXEC_SOURCE_MEMORY_LIMIT (-1UL)
-/* Maximum address we can reach in physical address mode */
-#define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL)
-/* Maximum address we can use for the control code buffer */
-#define KEXEC_CONTROL_MEMORY_LIMIT TASK_SIZE
-
-#define KEXEC_CONTROL_CODE_SIZE	4096
-
-/* The native architecture */
-#define KEXEC_ARCH KEXEC_ARCH_PPC
-
-#ifndef __ASSEMBLY__
-
-extern void *crash_notes;
-
-struct kimage;
-
-extern void machine_kexec_simple(struct kimage *image);
-
-#endif /* __ASSEMBLY__ */
-
-#endif /* CONFIG_KEXEC */
-
-#endif /* _PPC_KEXEC_H */
diff --git a/include/asm-ppc/ptrace.h b/include/asm-ppc/ptrace.h
deleted file mode 100644
index c34fb4e..0000000
--- a/include/asm-ppc/ptrace.h
+++ /dev/null
@@ -1,152 +0,0 @@
-#ifndef _PPC_PTRACE_H
-#define _PPC_PTRACE_H
-
-/*
- * This struct defines the way the registers are stored on the
- * kernel stack during a system call or other kernel entry.
- *
- * this should only contain volatile regs
- * since we can keep non-volatile in the thread_struct
- * should set this up when only volatiles are saved
- * by intr code.
- *
- * Since this is going on the stack, *CARE MUST BE TAKEN* to insure
- * that the overall structure is a multiple of 16 bytes in length.
- *
- * Note that the offsets of the fields in this struct correspond with
- * the PT_* values below.  This simplifies arch/ppc/kernel/ptrace.c.
- */
-
-#ifndef __ASSEMBLY__
-struct pt_regs {
-	unsigned long gpr[32];
-	unsigned long nip;
-	unsigned long msr;
-	unsigned long orig_gpr3;	/* Used for restarting system calls */
-	unsigned long ctr;
-	unsigned long link;
-	unsigned long xer;
-	unsigned long ccr;
-	unsigned long mq;		/* 601 only (not used at present) */
-					/* Used on APUS to hold IPL value. */
-	unsigned long trap;		/* Reason for being here */
-	/* N.B. for critical exceptions on 4xx, the dar and dsisr
-	   fields are overloaded to hold srr0 and srr1. */
-	unsigned long dar;		/* Fault registers */
-	unsigned long dsisr;		/* on 4xx/Book-E used for ESR */
-	unsigned long result; 		/* Result of a system call */
-};
-
-#endif /* __ASSEMBLY__ */
-
-#ifdef __KERNEL__
-#define STACK_FRAME_OVERHEAD	16	/* size of minimum stack frame */
-
-/* Size of stack frame allocated when calling signal handler. */
-#define __SIGNAL_FRAMESIZE	64
-
-#ifndef __ASSEMBLY__
-#define instruction_pointer(regs) ((regs)->nip)
-#ifdef CONFIG_SMP
-extern unsigned long profile_pc(struct pt_regs *regs);
-#else
-#define profile_pc(regs) instruction_pointer(regs)
-#endif
-
-#define user_mode(regs) (((regs)->msr & MSR_PR) != 0)
-
-#define force_successful_syscall_return()   \
-	do { \
-		current_thread_info()->syscall_noerror = 1; \
-	} while(0)
-
-/*
- * We use the least-significant bit of the trap field to indicate
- * whether we have saved the full set of registers, or only a
- * partial set.  A 1 there means the partial set.
- * On 4xx we use the next bit to indicate whether the exception
- * is a critical exception (1 means it is).
- */
-#define FULL_REGS(regs)		(((regs)->trap & 1) == 0)
-#define IS_CRITICAL_EXC(regs)	(((regs)->trap & 2) == 0)
-#define TRAP(regs)		((regs)->trap & ~0xF)
-
-#define CHECK_FULL_REGS(regs)						      \
-do {									      \
-	if ((regs)->trap & 1)						      \
-		printk(KERN_CRIT "%s: partial register set\n", __FUNCTION__); \
-} while (0)
-#endif /* __ASSEMBLY__ */
-
-#endif /* __KERNEL__ */
-
-/*
- * Offsets used by 'ptrace' system call interface.
- * These can't be changed without breaking binary compatibility
- * with MkLinux, etc.
- */
-#define PT_R0	0
-#define PT_R1	1
-#define PT_R2	2
-#define PT_R3	3
-#define PT_R4	4
-#define PT_R5	5
-#define PT_R6	6
-#define PT_R7	7
-#define PT_R8	8
-#define PT_R9	9
-#define PT_R10	10
-#define PT_R11	11
-#define PT_R12	12
-#define PT_R13	13
-#define PT_R14	14
-#define PT_R15	15
-#define PT_R16	16
-#define PT_R17	17
-#define PT_R18	18
-#define PT_R19	19
-#define PT_R20	20
-#define PT_R21	21
-#define PT_R22	22
-#define PT_R23	23
-#define PT_R24	24
-#define PT_R25	25
-#define PT_R26	26
-#define PT_R27	27
-#define PT_R28	28
-#define PT_R29	29
-#define PT_R30	30
-#define PT_R31	31
-
-#define PT_NIP	32
-#define PT_MSR	33
-#ifdef __KERNEL__
-#define PT_ORIG_R3 34
-#endif
-#define PT_CTR	35
-#define PT_LNK	36
-#define PT_XER	37
-#define PT_CCR	38
-#define PT_MQ	39
-
-#define PT_FPR0	48	/* each FP reg occupies 2 slots in this space */
-#define PT_FPR31 (PT_FPR0 + 2*31)
-#define PT_FPSCR (PT_FPR0 + 2*32 + 1)
-
-/* Get/set all the altivec registers vr0..vr31, vscr, vrsave, in one go */
-#define PTRACE_GETVRREGS	18
-#define PTRACE_SETVRREGS	19
-
-/* Get/set all the upper 32-bits of the SPE registers, accumulator, and
- * spefscr, in one go */
-#define PTRACE_GETEVRREGS	20
-#define PTRACE_SETEVRREGS	21
-
-/*
- * Get or set a debug register. The first 16 are DABR registers and the
- * second 16 are IABR registers.
- */
-#define PTRACE_GET_DEBUGREG	25
-#define PTRACE_SET_DEBUGREG	26
-
-#endif
diff --git a/include/asm-ppc/sigcontext.h b/include/asm-ppc/sigcontext.h
deleted file mode 100644
index b7a417e..0000000
--- a/include/asm-ppc/sigcontext.h
+++ /dev/null
@@ -1,15 +0,0 @@
-#ifndef _ASM_PPC_SIGCONTEXT_H
-#define _ASM_PPC_SIGCONTEXT_H
-
-#include <asm/ptrace.h>
-#include <linux/compiler.h>
-
-struct sigcontext {
-	unsigned long	_unused[4];
-	int		signal;
-	unsigned long	handler;
-	unsigned long	oldmask;
-	struct pt_regs 	__user *regs;
-};
-
-#endif
diff --git a/include/asm-ppc/stat.h b/include/asm-ppc/stat.h
deleted file mode 100644
index cadb342..0000000
--- a/include/asm-ppc/stat.h
+++ /dev/null
@@ -1,69 +0,0 @@
-#ifndef _PPC_STAT_H
-#define _PPC_STAT_H
-
-#ifdef __KERNEL__
-#include <linux/types.h>
-#endif /* __KERNEL__ */
-
-struct __old_kernel_stat {
-	unsigned short st_dev;
-	unsigned short st_ino;
-	unsigned short st_mode;
-	unsigned short st_nlink;
-	unsigned short st_uid;
-	unsigned short st_gid;
-	unsigned short st_rdev;
-	unsigned long  st_size;
-	unsigned long  st_atime;
-	unsigned long  st_mtime;
-	unsigned long  st_ctime;
-};
-
-#define STAT_HAVE_NSEC 1
-
-struct stat {
-	unsigned	st_dev;
-	ino_t		st_ino;
-	mode_t		st_mode;
-	nlink_t		st_nlink;
-	uid_t 		st_uid;
-	gid_t 		st_gid;
-	unsigned	st_rdev;
-	off_t		st_size;
-	unsigned long  	st_blksize;
-	unsigned long  	st_blocks;
-	unsigned long  	st_atime;
-	unsigned long  	st_atime_nsec;
-	unsigned long  	st_mtime;
-	unsigned long  	st_mtime_nsec;
-	unsigned long  	st_ctime;
-	unsigned long  	st_ctime_nsec;
-	unsigned long  	__unused4;
-	unsigned long  	__unused5;
-};
-
-/* This matches struct stat64 in glibc2.1.
- */
-struct stat64 {
-	unsigned long long st_dev; 	/* Device.  */
-	unsigned long long st_ino;	/* File serial number.  */
-	unsigned int st_mode;		/* File mode.  */
-	unsigned int st_nlink;		/* Link count.  */
-	unsigned int st_uid;		/* User ID of the file's owner.  */
-	unsigned int st_gid;		/* Group ID of the file's group. */
-	unsigned long long st_rdev; 	/* Device number, if device.  */
-	unsigned short int __pad2;
-	long long st_size;		/* Size of file, in bytes.  */
-	long st_blksize;		/* Optimal block size for I/O.  */
-
-	long long st_blocks;		/* Number 512-byte blocks allocated. */
-	long st_atime;			/* Time of last access.  */
-	unsigned long st_atime_nsec;
-	long st_mtime;			/* Time of last modification.  */
-	unsigned long int st_mtime_nsec;
-	long st_ctime;			/* Time of last status change.  */
-	unsigned long int st_ctime_nsec;
-	unsigned long int __unused4;
-	unsigned long int __unused5;
-};
-#endif
diff --git a/include/asm-ppc/tlb.h b/include/asm-ppc/tlb.h
deleted file mode 100644
index 2c142c5..0000000
--- a/include/asm-ppc/tlb.h
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- *	TLB shootdown specifics for PPC
- *
- * Copyright (C) 2002 Paul Mackerras, IBM Corp.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-#ifndef _PPC_TLB_H
-#define _PPC_TLB_H
-
-#include <linux/config.h>
-#include <asm/pgtable.h>
-#include <asm/pgalloc.h>
-#include <asm/tlbflush.h>
-#include <asm/page.h>
-#include <asm/mmu.h>
-
-#ifdef CONFIG_PPC_STD_MMU
-/* Classic PPC with hash-table based MMU... */
-
-struct mmu_gather;
-extern void tlb_flush(struct mmu_gather *tlb);
-
-/* Get the generic bits... */
-#include <asm-generic/tlb.h>
-
-/* Nothing needed here in fact... */
-#define tlb_start_vma(tlb, vma)	do { } while (0)
-#define tlb_end_vma(tlb, vma)	do { } while (0)
-
-extern void flush_hash_entry(struct mm_struct *mm, pte_t *ptep,
-			     unsigned long address);
-
-static inline void __tlb_remove_tlb_entry(struct mmu_gather *tlb, pte_t *ptep,
-					unsigned long address)
-{
-	if (pte_val(*ptep) & _PAGE_HASHPTE)
-		flush_hash_entry(tlb->mm, ptep, address);
-}
-
-#else
-/* Embedded PPC with software-loaded TLB, very simple... */
-
-#define tlb_start_vma(tlb, vma)		do { } while (0)
-#define tlb_end_vma(tlb, vma)		do { } while (0)
-#define __tlb_remove_tlb_entry(tlb, pte, address) do { } while (0)
-#define tlb_flush(tlb)			flush_tlb_mm((tlb)->mm)
-
-/* Get the generic bits... */
-#include <asm-generic/tlb.h>
-
-#endif /* CONFIG_PPC_STD_MMU */
-
-#endif /* __PPC_TLB_H */
diff --git a/include/asm-ppc/tlbflush.h b/include/asm-ppc/tlbflush.h
deleted file mode 100644
index 9afee4f..0000000
--- a/include/asm-ppc/tlbflush.h
+++ /dev/null
@@ -1,115 +0,0 @@
-/*
- * include/asm-ppc/tlbflush.h
- *
- *  This program is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU General Public License
- *  as published by the Free Software Foundation; either version
- *  2 of the License, or (at your option) any later version.
- */
-#ifdef __KERNEL__
-#ifndef _PPC_TLBFLUSH_H
-#define _PPC_TLBFLUSH_H
-
-#include <linux/config.h>
-#include <linux/mm.h>
-
-extern void _tlbie(unsigned long address);
-extern void _tlbia(void);
-
-#if defined(CONFIG_4xx)
-
-#ifndef CONFIG_44x
-#define __tlbia()	asm volatile ("sync; tlbia; isync" : : : "memory")
-#else
-#define __tlbia		_tlbia
-#endif
-
-static inline void flush_tlb_mm(struct mm_struct *mm)
-	{ __tlbia(); }
-static inline void flush_tlb_page(struct vm_area_struct *vma,
-				unsigned long vmaddr)
-	{ _tlbie(vmaddr); }
-static inline void flush_tlb_page_nohash(struct vm_area_struct *vma,
-					 unsigned long vmaddr)
-	{ _tlbie(vmaddr); }
-static inline void flush_tlb_range(struct vm_area_struct *vma,
-				unsigned long start, unsigned long end)
-	{ __tlbia(); }
-static inline void flush_tlb_kernel_range(unsigned long start,
-				unsigned long end)
-	{ __tlbia(); }
-
-#elif defined(CONFIG_FSL_BOOKE)
-
-/* TODO: determine if flush_tlb_range & flush_tlb_kernel_range
- * are best implemented as tlbia vs specific tlbie's */
-
-#define __tlbia()	_tlbia()
-
-static inline void flush_tlb_mm(struct mm_struct *mm)
-	{ __tlbia(); }
-static inline void flush_tlb_page(struct vm_area_struct *vma,
-				unsigned long vmaddr)
-	{ _tlbie(vmaddr); }
-static inline void flush_tlb_page_nohash(struct vm_area_struct *vma,
-					 unsigned long vmaddr)
-	{ _tlbie(vmaddr); }
-static inline void flush_tlb_range(struct vm_area_struct *vma,
-				unsigned long start, unsigned long end)
-	{ __tlbia(); }
-static inline void flush_tlb_kernel_range(unsigned long start,
-				unsigned long end)
-	{ __tlbia(); }
-
-#elif defined(CONFIG_8xx)
-#define __tlbia()	asm volatile ("tlbia; sync" : : : "memory")
-
-static inline void flush_tlb_mm(struct mm_struct *mm)
-	{ __tlbia(); }
-static inline void flush_tlb_page(struct vm_area_struct *vma,
-				unsigned long vmaddr)
-	{ _tlbie(vmaddr); }
-static inline void flush_tlb_page_nohash(struct vm_area_struct *vma,
-					 unsigned long vmaddr)
-	{ _tlbie(vmaddr); }
-static inline void flush_tlb_range(struct vm_area_struct *vma,
-				unsigned long start, unsigned long end)
-	{ __tlbia(); }
-static inline void flush_tlb_kernel_range(unsigned long start,
-				unsigned long end)
-	{ __tlbia(); }
-
-#else	/* 6xx, 7xx, 7xxx cpus */
-struct mm_struct;
-struct vm_area_struct;
-extern void flush_tlb_mm(struct mm_struct *mm);
-extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr);
-extern void flush_tlb_page_nohash(struct vm_area_struct *vma, unsigned long addr);
-extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
-			    unsigned long end);
-extern void flush_tlb_kernel_range(unsigned long start, unsigned long end);
-#endif
-
-/*
- * This is called in munmap when we have freed up some page-table
- * pages.  We don't need to do anything here, there's nothing special
- * about our page-table pages.  -- paulus
- */
-static inline void flush_tlb_pgtables(struct mm_struct *mm,
-				      unsigned long start, unsigned long end)
-{
-}
-
-/*
- * This gets called at the end of handling a page fault, when
- * the kernel has put a new PTE into the page table for the process.
- * We use it to ensure coherency between the i-cache and d-cache
- * for the page which has just been mapped in.
- * On machines which use an MMU hash table, we use this to put a
- * corresponding HPTE into the hash table ahead of time, instead of
- * waiting for the inevitable extra hash-table miss exception.
- */
-extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t);
-
-#endif /* _PPC_TLBFLUSH_H */
-#endif /*__KERNEL__ */
diff --git a/include/asm-ppc/uaccess.h b/include/asm-ppc/uaccess.h
deleted file mode 100644
index 63f5622..0000000
--- a/include/asm-ppc/uaccess.h
+++ /dev/null
@@ -1,393 +0,0 @@
-#ifdef __KERNEL__
-#ifndef _PPC_UACCESS_H
-#define _PPC_UACCESS_H
-
-#ifndef __ASSEMBLY__
-#include <linux/sched.h>
-#include <linux/errno.h>
-#include <asm/processor.h>
-
-#define VERIFY_READ	0
-#define VERIFY_WRITE	1
-
-/*
- * The fs value determines whether argument validity checking should be
- * performed or not.  If get_fs() == USER_DS, checking is performed, with
- * get_fs() == KERNEL_DS, checking is bypassed.
- *
- * For historical reasons, these macros are grossly misnamed.
- *
- * The fs/ds values are now the highest legal address in the "segment".
- * This simplifies the checking in the routines below.
- */
-
-#define KERNEL_DS	((mm_segment_t) { ~0UL })
-#define USER_DS		((mm_segment_t) { TASK_SIZE - 1 })
-
-#define get_ds()	(KERNEL_DS)
-#define get_fs()	(current->thread.fs)
-#define set_fs(val)	(current->thread.fs = (val))
-
-#define segment_eq(a,b)	((a).seg == (b).seg)
-
-#define __access_ok(addr,size)						    \
-	((addr) <= current->thread.fs.seg				    \
-	 && ((size) == 0 || (size) - 1 <= current->thread.fs.seg - (addr)))
-
-#define access_ok(type, addr, size) \
-	(__chk_user_ptr(addr),__access_ok((unsigned long)(addr),(size)))
-
-/*
- * The exception table consists of pairs of addresses: the first is the
- * address of an instruction that is allowed to fault, and the second is
- * the address at which the program should continue.  No registers are
- * modified, so it is entirely up to the continuation code to figure out
- * what to do.
- *
- * All the routines below use bits of fixup code that are out of line
- * with the main instruction path.  This means when everything is well,
- * we don't even have to jump over them.  Further, they do not intrude
- * on our cache or tlb entries.
- */
-
-struct exception_table_entry
-{
-	unsigned long insn, fixup;
-};
-
-/*
- * These are the main single-value transfer routines.  They automatically
- * use the right size if we just have the right pointer type.
- *
- * This gets kind of ugly. We want to return _two_ values in "get_user()"
- * and yet we don't want to do any pointers, because that is too much
- * of a performance impact. Thus we have a few rather ugly macros here,
- * and hide all the ugliness from the user.
- *
- * The "__xxx" versions of the user access functions are versions that
- * do not verify the address space, that must have been done previously
- * with a separate "access_ok()" call (this is used when we do multiple
- * accesses to the same area of user memory).
- *
- * As we use the same address space for kernel and user data on the
- * PowerPC, we can just do these as direct assignments.  (Of course, the
- * exception handling means that it's no longer "just"...)
- *
- * The "user64" versions of the user access functions are versions that 
- * allow access of 64-bit data. The "get_user" functions do not 
- * properly handle 64-bit data because the value gets down cast to a long. 
- * The "put_user" functions already handle 64-bit data properly but we add 
- * "user64" versions for completeness
- */
-#define get_user(x,ptr) \
-  __get_user_check((x),(ptr),sizeof(*(ptr)))
-#define get_user64(x,ptr) \
-  __get_user64_check((x),(ptr),sizeof(*(ptr)))
-#define put_user(x,ptr) \
-  __put_user_check((__typeof__(*(ptr)))(x),(ptr),sizeof(*(ptr)))
-#define put_user64(x,ptr) put_user(x,ptr)
-
-#define __get_user(x,ptr) \
-  __get_user_nocheck((x),(ptr),sizeof(*(ptr)))
-#define __get_user64(x,ptr) \
-  __get_user64_nocheck((x),(ptr),sizeof(*(ptr)))
-#define __put_user(x,ptr) \
-  __put_user_nocheck((__typeof__(*(ptr)))(x),(ptr),sizeof(*(ptr)))
-#define __put_user64(x,ptr) __put_user(x,ptr)
-
-extern long __put_user_bad(void);
-
-#define __put_user_nocheck(x,ptr,size)			\
-({							\
-	long __pu_err;					\
-	__chk_user_ptr(ptr);				\
-	__put_user_size((x),(ptr),(size),__pu_err);	\
-	__pu_err;					\
-})
-
-#define __put_user_check(x,ptr,size)				\
-({								\
-	long __pu_err = -EFAULT;				\
-	__typeof__(*(ptr)) __user *__pu_addr = (ptr);		\
-	if (access_ok(VERIFY_WRITE,__pu_addr,size))		\
-		__put_user_size((x),__pu_addr,(size),__pu_err);	\
-	__pu_err;						\
-})
-
-#define __put_user_size(x,ptr,size,retval)		\
-do {							\
-	retval = 0;					\
-	switch (size) {					\
-	case 1:						\
-		__put_user_asm(x, ptr, retval, "stb");	\
-		break;					\
-	case 2:						\
-		__put_user_asm(x, ptr, retval, "sth");	\
-		break;					\
-	case 4:						\
-		__put_user_asm(x, ptr, retval, "stw");	\
-		break;					\
-	case 8:						\
-		__put_user_asm2(x, ptr, retval);	\
-		break;					\
-	default:					\
-		__put_user_bad();			\
-	}						\
-} while (0)
-
-/*
- * We don't tell gcc that we are accessing memory, but this is OK
- * because we do not write to any memory gcc knows about, so there
- * are no aliasing issues.
- */
-#define __put_user_asm(x, addr, err, op)			\
-	__asm__ __volatile__(					\
-		"1:	"op" %1,0(%2)\n"			\
-		"2:\n"						\
-		".section .fixup,\"ax\"\n"			\
-		"3:	li %0,%3\n"				\
-		"	b 2b\n"					\
-		".previous\n"					\
-		".section __ex_table,\"a\"\n"			\
-		"	.align 2\n"				\
-		"	.long 1b,3b\n"				\
-		".previous"					\
-		: "=r" (err)					\
-		: "r" (x), "b" (addr), "i" (-EFAULT), "0" (err))
-
-#define __put_user_asm2(x, addr, err)				\
-	__asm__ __volatile__(					\
-		"1:	stw %1,0(%2)\n"				\
-		"2:	stw %1+1,4(%2)\n"			\
-		"3:\n"						\
-		".section .fixup,\"ax\"\n"			\
-		"4:	li %0,%3\n"				\
-		"	b 3b\n"					\
-		".previous\n"					\
-		".section __ex_table,\"a\"\n"			\
-		"	.align 2\n"				\
-		"	.long 1b,4b\n"				\
-		"	.long 2b,4b\n"				\
-		".previous"					\
-		: "=r" (err)					\
-		: "r" (x), "b" (addr), "i" (-EFAULT), "0" (err))
-
-#define __get_user_nocheck(x, ptr, size)			\
-({								\
-	long __gu_err;						\
-	unsigned long __gu_val;					\
-	__chk_user_ptr(ptr);					\
-	__get_user_size(__gu_val, (ptr), (size), __gu_err);	\
-	(x) = (__typeof__(*(ptr)))__gu_val;			\
-	__gu_err;						\
-})
-
-#define __get_user64_nocheck(x, ptr, size)			\
-({								\
-	long __gu_err;						\
-	long long __gu_val;					\
-	__chk_user_ptr(ptr);					\
-	__get_user_size64(__gu_val, (ptr), (size), __gu_err);	\
-	(x) = (__typeof__(*(ptr)))__gu_val;			\
-	__gu_err;						\
-})
-
-#define __get_user_check(x, ptr, size)					\
-({									\
-	long __gu_err = -EFAULT;					\
-	unsigned long  __gu_val = 0;					\
-	const __typeof__(*(ptr)) __user *__gu_addr = (ptr);		\
-	if (access_ok(VERIFY_READ, __gu_addr, (size)))			\
-		__get_user_size(__gu_val, __gu_addr, (size), __gu_err);	\
-	(x) = (__typeof__(*(ptr)))__gu_val;				\
-	__gu_err;							\
-})
-
-#define __get_user64_check(x, ptr, size)				  \
-({									  \
-	long __gu_err = -EFAULT;					  \
-	long long __gu_val = 0;						  \
-	const __typeof__(*(ptr)) __user *__gu_addr = (ptr);		  \
-	if (access_ok(VERIFY_READ, __gu_addr, (size)))			  \
-		__get_user_size64(__gu_val, __gu_addr, (size), __gu_err); \
-	(x) = (__typeof__(*(ptr)))__gu_val;				  \
-	__gu_err;							  \
-})
-
-extern long __get_user_bad(void);
-
-#define __get_user_size(x, ptr, size, retval)			\
-do {								\
-	retval = 0;						\
-	switch (size) {						\
-	case 1:							\
-		__get_user_asm(x, ptr, retval, "lbz");		\
-		break;						\
-	case 2:							\
-		__get_user_asm(x, ptr, retval, "lhz");		\
-		break;						\
-	case 4:							\
-		__get_user_asm(x, ptr, retval, "lwz");		\
-		break;						\
-	default:						\
-		x = __get_user_bad();				\
-	}							\
-} while (0)
-
-#define __get_user_size64(x, ptr, size, retval)			\
-do {								\
-	retval = 0;						\
-	switch (size) {						\
-	case 1:							\
-		__get_user_asm(x, ptr, retval, "lbz");		\
-		break;						\
-	case 2:							\
-		__get_user_asm(x, ptr, retval, "lhz");		\
-		break;						\
-	case 4:							\
-		__get_user_asm(x, ptr, retval, "lwz");		\
-		break;						\
-	case 8:							\
-		__get_user_asm2(x, ptr, retval);		\
-		break;						\
-	default:						\
-		x = __get_user_bad();				\
-	}							\
-} while (0)
-
-#define __get_user_asm(x, addr, err, op)		\
-	__asm__ __volatile__(				\
-		"1:	"op" %1,0(%2)\n"		\
-		"2:\n"					\
-		".section .fixup,\"ax\"\n"		\
-		"3:	li %0,%3\n"			\
-		"	li %1,0\n"			\
-		"	b 2b\n"				\
-		".previous\n"				\
-		".section __ex_table,\"a\"\n"		\
-		"	.align 2\n"			\
-		"	.long 1b,3b\n"			\
-		".previous"				\
-		: "=r"(err), "=r"(x)			\
-		: "b"(addr), "i"(-EFAULT), "0"(err))
-
-#define __get_user_asm2(x, addr, err)			\
-	__asm__ __volatile__(				\
-		"1:	lwz %1,0(%2)\n"			\
-		"2:	lwz %1+1,4(%2)\n"		\
-		"3:\n"					\
-		".section .fixup,\"ax\"\n"		\
-		"4:	li %0,%3\n"			\
-		"	li %1,0\n"			\
-		"	li %1+1,0\n"			\
-		"	b 3b\n"				\
-		".previous\n"				\
-		".section __ex_table,\"a\"\n"		\
-		"	.align 2\n"			\
-		"	.long 1b,4b\n"			\
-		"	.long 2b,4b\n"			\
-		".previous"				\
-		: "=r"(err), "=&r"(x)			\
-		: "b"(addr), "i"(-EFAULT), "0"(err))
-
-/* more complex routines */
-
-extern int __copy_tofrom_user(void __user *to, const void __user *from,
-			      unsigned long size);
-
-extern inline unsigned long
-copy_from_user(void *to, const void __user *from, unsigned long n)
-{
-	unsigned long over;
-
-	if (access_ok(VERIFY_READ, from, n))
-		return __copy_tofrom_user((__force void __user *)to, from, n);
-	if ((unsigned long)from < TASK_SIZE) {
-		over = (unsigned long)from + n - TASK_SIZE;
-		return __copy_tofrom_user((__force void __user *)to, from, n - over) + over;
-	}
-	return n;
-}
-
-extern inline unsigned long
-copy_to_user(void __user *to, const void *from, unsigned long n)
-{
-	unsigned long over;
-
-	if (access_ok(VERIFY_WRITE, to, n))
-		return __copy_tofrom_user(to, (__force void __user *) from, n);
-	if ((unsigned long)to < TASK_SIZE) {
-		over = (unsigned long)to + n - TASK_SIZE;
-		return __copy_tofrom_user(to, (__force void __user *) from, n - over) + over;
-	}
-	return n;
-}
-
-static inline unsigned long __copy_from_user(void *to, const void __user *from, unsigned long size)
-{
-	return __copy_tofrom_user((__force void __user *)to, from, size);
-}
-
-static inline unsigned long __copy_to_user(void __user *to, const void *from, unsigned long size)
-{
-	return __copy_tofrom_user(to, (__force void __user *)from, size);
-}
-
-#define __copy_to_user_inatomic __copy_to_user
-#define __copy_from_user_inatomic __copy_from_user
-
-extern unsigned long __clear_user(void __user *addr, unsigned long size);
-
-extern inline unsigned long
-clear_user(void __user *addr, unsigned long size)
-{
-	if (access_ok(VERIFY_WRITE, addr, size))
-		return __clear_user(addr, size);
-	if ((unsigned long)addr < TASK_SIZE) {
-		unsigned long over = (unsigned long)addr + size - TASK_SIZE;
-		return __clear_user(addr, size - over) + over;
-	}
-	return size;
-}
-
-extern int __strncpy_from_user(char *dst, const char __user *src, long count);
-
-extern inline long
-strncpy_from_user(char *dst, const char __user *src, long count)
-{
-	if (access_ok(VERIFY_READ, src, 1))
-		return __strncpy_from_user(dst, src, count);
-	return -EFAULT;
-}
-
-/*
- * Return the size of a string (including the ending 0)
- *
- * Return 0 for error
- */
-
-extern int __strnlen_user(const char __user *str, long len, unsigned long top);
-
-/*
- * Returns the length of the string at str (including the null byte),
- * or 0 if we hit a page we can't access,
- * or something > len if we didn't find a null byte.
- *
- * The `top' parameter to __strnlen_user is to make sure that
- * we can never overflow from the user area into kernel space.
- */
-extern __inline__ int strnlen_user(const char __user *str, long len)
-{
-	unsigned long top = current->thread.fs.seg;
-
-	if ((unsigned long)str > top)
-		return 0;
-	return __strnlen_user(str, len, top);
-}
-
-#define strlen_user(str)	strnlen_user((str), 0x7ffffffe)
-
-#endif  /* __ASSEMBLY__ */
-
-#endif	/* _PPC_UACCESS_H */
-#endif /* __KERNEL__ */
diff --git a/include/asm-ppc/ucontext.h b/include/asm-ppc/ucontext.h
deleted file mode 100644
index 664bc98..0000000
--- a/include/asm-ppc/ucontext.h
+++ /dev/null
@@ -1,27 +0,0 @@
-#ifndef _ASMPPC_UCONTEXT_H
-#define _ASMPPC_UCONTEXT_H
-
-#include <asm/elf.h>
-#include <asm/signal.h>
-
-struct mcontext {
-	elf_gregset_t	mc_gregs;
-	elf_fpregset_t	mc_fregs;
-	unsigned long	mc_pad[2];
-	elf_vrregset_t	mc_vregs __attribute__((__aligned__(16)));
-};
-
-struct ucontext {
-	unsigned long	 uc_flags;
-	struct ucontext __user *uc_link;
-	stack_t		 uc_stack;
-	int		 uc_pad[7];
-	struct mcontext	__user *uc_regs;/* points to uc_mcontext field */
-	sigset_t	 uc_sigmask;
-	/* glibc has 1024-bit signal masks, ours are 64-bit */
-	int		 uc_maskext[30];
-	int		 uc_pad2[3];
-	struct mcontext	 uc_mcontext;
-};
-
-#endif /* !_ASMPPC_UCONTEXT_H */