Merge branch 'wip-2.6.34' into old-private-masterarchived-private-master

9 files changed, 183 insertions, 373 deletions

diff --git a/arch/m68k/kernel/dma.c b/arch/m68k/kernel/dma.c
index 2bb4245404d8..4bbb3c2a8880 100644
--- a/arch/m68k/kernel/dma.c
+++ b/arch/m68k/kernel/dma.c
@@ -10,6 +10,7 @@
 #include <linux/device.h>
 #include <linux/kernel.h>
 #include <linux/scatterlist.h>
+#include <linux/slab.h>
 #include <linux/vmalloc.h>
 
 #include <asm/pgalloc.h>
diff --git a/arch/m68k/kernel/entry.S b/arch/m68k/kernel/entry.S
index c5b33634c980..2391bdff0996 100644
--- a/arch/m68k/kernel/entry.S
+++ b/arch/m68k/kernel/entry.S
@@ -179,7 +179,11 @@ do_signal_return:
         addql   #8,%sp
         RESTORE_SWITCH_STACK
         addql   #4,%sp
-        jbra    resume_userspace
+        tstl    %d0
+        jeq     resume_userspace
+        | when single stepping into handler stop at the first insn
+        btst    #6,%curptr@(TASK_INFO+TINFO_FLAGS+2)
+        jeq     resume_userspace
 
 do_delayed_trace:
         bclr    #7,%sp@(PT_OFF_SR)      | clear trace bit in SR
@@ -506,7 +510,7 @@ sys_call_table:
         .long sys_settimeofday
         .long sys_getgroups16   /* 80 */
         .long sys_setgroups16
-        .long old_select
+        .long sys_old_select
         .long sys_symlink
         .long sys_lstat
         .long sys_readlink      /* 85 */
@@ -514,7 +518,7 @@ sys_call_table:
         .long sys_swapon
         .long sys_reboot
         .long sys_old_readdir
-        .long old_mmap          /* 90 */
+        .long sys_old_mmap      /* 90 */
         .long sys_munmap
         .long sys_truncate
         .long sys_ftruncate
@@ -757,4 +761,8 @@ sys_call_table:
         .long sys_pwritev               /* 330 */
         .long sys_rt_tgsigqueueinfo
         .long sys_perf_event_open
+        .long sys_get_thread_area
+        .long sys_set_thread_area
+        .long sys_atomic_cmpxchg_32     /* 335 */
+        .long sys_atomic_barrier
 
diff --git a/arch/m68k/kernel/head.S b/arch/m68k/kernel/head.S
index 86edb5fbcfc3..ef54128baa0b 100644
--- a/arch/m68k/kernel/head.S
+++ b/arch/m68k/kernel/head.S
@@ -196,7 +196,7 @@
  * for them and trying to understand what they mean.
  *
  * CONFIG_xxx:  These are the obvious machine configuration defines created
- * during configuration.  These are defined in include/linux/autoconf.h.
+ * during configuration.  These are defined in autoconf.h.
  *
  * CONSOLE:     There is support for head.S console in this file.  This
  * console can talk to a Mac frame buffer, but could easily be extrapolated
diff --git a/arch/m68k/kernel/process.c b/arch/m68k/kernel/process.c
index 41230c595a8e..1a6be27cf165 100644
--- a/arch/m68k/kernel/process.c
+++ b/arch/m68k/kernel/process.c
@@ -15,13 +15,13 @@
 #include <linux/sched.h>
 #include <linux/kernel.h>
 #include <linux/mm.h>
+#include <linux/slab.h>
 #include <linux/fs.h>
 #include <linux/smp.h>
 #include <linux/smp_lock.h>
 #include <linux/stddef.h>
 #include <linux/unistd.h>
 #include <linux/ptrace.h>
-#include <linux/slab.h>
 #include <linux/user.h>
 #include <linux/reboot.h>
 #include <linux/init_task.h>
@@ -251,6 +251,10 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
 
         p->thread.usp = usp;
         p->thread.ksp = (unsigned long)childstack;
+
+        if (clone_flags & CLONE_SETTLS)
+                task_thread_info(p)->tp_value = regs->d5;
+
         /*
          * Must save the current SFC/DFC value, NOT the value when
          * the parent was last descheduled - RGH  10-08-96
@@ -317,15 +321,12 @@ asmlinkage int sys_execve(char __user *name, char __user * __user *argv, char __
         char * filename;
         struct pt_regs *regs = (struct pt_regs *) &name;
 
-        lock_kernel();
         filename = getname(name);
         error = PTR_ERR(filename);
         if (IS_ERR(filename))
-                goto out;
+                return error;
         error = do_execve(filename, argv, envp, regs);
         putname(filename);
-out:
-        unlock_kernel();
         return error;
 }
 
diff --git a/arch/m68k/kernel/ptrace.c b/arch/m68k/kernel/ptrace.c
index 2075543c2d92..616e59752c29 100644
--- a/arch/m68k/kernel/ptrace.c
+++ b/arch/m68k/kernel/ptrace.c
@@ -35,7 +35,9 @@
 #define SR_MASK 0x001f
 
 /* sets the trace bits. */
-#define TRACE_BITS 0x8000
+#define TRACE_BITS 0xC000
+#define T1_BIT 0x8000
+#define T0_BIT 0x4000
 
 /* Find the stack offset for a register, relative to thread.esp0. */
 #define PT_REG(reg)     ((long)&((struct pt_regs *)0)->reg)
@@ -44,7 +46,7 @@
 /* Mapping from PT_xxx to the stack offset at which the register is
    saved.  Notice that usp has no stack-slot and needs to be treated
    specially (see get_reg/put_reg below). */
-static int regoff[] = {
+static const int regoff[] = {
         [0]     = PT_REG(d1),
         [1]     = PT_REG(d2),
         [2]     = PT_REG(d3),
@@ -79,6 +81,14 @@ static inline long get_reg(struct task_struct *task, int regno)
                 addr = (unsigned long *)(task->thread.esp0 + regoff[regno]);
         else
                 return 0;
+        /* Need to take stkadj into account. */
+        if (regno == PT_SR || regno == PT_PC) {
+                long stkadj = *(long *)(task->thread.esp0 + PT_REG(stkadj));
+                addr = (unsigned long *) ((unsigned long)addr + stkadj);
+                /* The sr is actually a 16 bit register.  */
+                if (regno == PT_SR)
+                        return *(unsigned short *)addr;
+        }
         return *addr;
 }
 
@@ -96,6 +106,16 @@ static inline int put_reg(struct task_struct *task, int regno,
                 addr = (unsigned long *)(task->thread.esp0 + regoff[regno]);
         else
                 return -1;
+        /* Need to take stkadj into account. */
+        if (regno == PT_SR || regno == PT_PC) {
+                long stkadj = *(long *)(task->thread.esp0 + PT_REG(stkadj));
+                addr = (unsigned long *) ((unsigned long)addr + stkadj);
+                /* The sr is actually a 16 bit register.  */
+                if (regno == PT_SR) {
+                        *(unsigned short *)addr = data;
+                        return 0;
+                }
+        }
         *addr = data;
         return 0;
 }
@@ -105,7 +125,7 @@ static inline int put_reg(struct task_struct *task, int regno,
  */
 static inline void singlestep_disable(struct task_struct *child)
 {
-        unsigned long tmp = get_reg(child, PT_SR) & ~(TRACE_BITS << 16);
+        unsigned long tmp = get_reg(child, PT_SR) & ~TRACE_BITS;
         put_reg(child, PT_SR, tmp);
         clear_tsk_thread_flag(child, TIF_DELAYED_TRACE);
 }
@@ -118,18 +138,30 @@ void ptrace_disable(struct task_struct *child)
         singlestep_disable(child);
 }
 
+void user_enable_single_step(struct task_struct *child)
+{
+        unsigned long tmp = get_reg(child, PT_SR) & ~TRACE_BITS;
+        put_reg(child, PT_SR, tmp | T1_BIT);
+        set_tsk_thread_flag(child, TIF_DELAYED_TRACE);
+}
+
+void user_enable_block_step(struct task_struct *child)
+{
+        unsigned long tmp = get_reg(child, PT_SR) & ~TRACE_BITS;
+        put_reg(child, PT_SR, tmp | T0_BIT);
+}
+
+void user_disable_single_step(struct task_struct *child)
+{
+        singlestep_disable(child);
+}
+
 long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 {
         unsigned long tmp;
         int i, ret = 0;
 
         switch (request) {
-        /* when I and D space are separate, these will need to be fixed. */
-        case PTRACE_PEEKTEXT:   /* read word at location addr. */
-        case PTRACE_PEEKDATA:
-                ret = generic_ptrace_peekdata(child, addr, data);
-                break;
-
         /* read the word at location addr in the USER area. */
         case PTRACE_PEEKUSR:
                 if (addr & 3)
@@ -138,8 +170,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 
                 if (addr >= 0 && addr < 19) {
                         tmp = get_reg(child, addr);
-                        if (addr == PT_SR)
-                                tmp >>= 16;
                 } else if (addr >= 21 && addr < 49) {
                         tmp = child->thread.fp[addr - 21];
                         /* Convert internal fpu reg representation
@@ -149,16 +179,10 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                                 tmp = ((tmp & 0xffff0000) << 15) |
                                       ((tmp & 0x0000ffff) << 16);
                 } else
-                        break;
+                        goto out_eio;
                 ret = put_user(tmp, (unsigned long *)data);
                 break;
 
-        /* when I and D space are separate, this will have to be fixed. */
-        case PTRACE_POKETEXT:   /* write the word at location addr. */
-        case PTRACE_POKEDATA:
-                ret = generic_ptrace_pokedata(child, addr, data);
-                break;
-
         case PTRACE_POKEUSR:    /* write the word at location addr in the USER area */
                 if (addr & 3)
                         goto out_eio;
@@ -166,9 +190,9 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 
                 if (addr == PT_SR) {
                         data &= SR_MASK;
-                        data <<= 16;
-                        data |= get_reg(child, PT_SR) & ~(SR_MASK << 16);
-                } else if (addr >= 0 && addr < 19) {
+                        data |= get_reg(child, PT_SR) & ~SR_MASK;
+                }
+                if (addr >= 0 && addr < 19) {
                         if (put_reg(child, addr, data))
                                 goto out_eio;
                 } else if (addr >= 21 && addr < 48) {
@@ -185,52 +209,9 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                         goto out_eio;
                 break;
 
-        case PTRACE_SYSCALL:    /* continue and stop at next (return from) syscall */
-        case PTRACE_CONT:       /* restart after signal. */
-                if (!valid_signal(data))
-                        goto out_eio;
-
-                if (request == PTRACE_SYSCALL)
-                        set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-                else
-                        clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-                child->exit_code = data;
-                singlestep_disable(child);
-                wake_up_process(child);
-                break;
-
-        /*
-         * make the child exit.  Best I can do is send it a sigkill.
-         * perhaps it should be put in the status that it wants to
-         * exit.
-         */
-        case PTRACE_KILL:
-                if (child->exit_state == EXIT_ZOMBIE) /* already dead */
-                        break;
-                child->exit_code = SIGKILL;
-                singlestep_disable(child);
-                wake_up_process(child);
-                break;
-
-        case PTRACE_SINGLESTEP: /* set the trap flag. */
-                if (!valid_signal(data))
-                        goto out_eio;
-
-                clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-                tmp = get_reg(child, PT_SR) | (TRACE_BITS << 16);
-                put_reg(child, PT_SR, tmp);
-                set_tsk_thread_flag(child, TIF_DELAYED_TRACE);
-
-                child->exit_code = data;
-                /* give it a chance to run. */
-                wake_up_process(child);
-                break;
-
         case PTRACE_GETREGS:    /* Get all gp regs from the child. */
                 for (i = 0; i < 19; i++) {
                         tmp = get_reg(child, i);
-                        if (i == PT_SR)
-                                tmp >>= 16;
                         ret = put_user(tmp, (unsigned long *)data);
                         if (ret)
                                 break;
@@ -245,8 +226,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                                 break;
                         if (i == PT_SR) {
                                 tmp &= SR_MASK;
-                                tmp <<= 16;
-                                tmp |= get_reg(child, PT_SR) & ~(SR_MASK << 16);
+                                tmp |= get_reg(child, PT_SR) & ~SR_MASK;
                         }
                         put_reg(child, i, tmp);
                         data += sizeof(long);
@@ -265,6 +245,11 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                         ret = -EFAULT;
                 break;
 
+        case PTRACE_GET_THREAD_AREA:
+                ret = put_user(task_thread_info(child)->tp_value,
+                               (unsigned long __user *)data);
+                break;
+
         default:
                 ret = ptrace_request(child, request, addr, data);
                 break;
diff --git a/arch/m68k/kernel/signal.c b/arch/m68k/kernel/signal.c
index de2d05ddd86d..4b387538706f 100644
--- a/arch/m68k/kernel/signal.c
+++ b/arch/m68k/kernel/signal.c
@@ -897,10 +897,17 @@ static void setup_rt_frame (int sig, struct k_sigaction *ka, siginfo_t *info,
 
         /* Set up to return from userspace.  */
         err |= __put_user(frame->retcode, &frame->pretcode);
+#ifdef __mcoldfire__
+        /* movel #__NR_rt_sigreturn,d0; trap #0 */
+        err |= __put_user(0x203c0000, (long __user *)(frame->retcode + 0));
+        err |= __put_user(0x00004e40 + (__NR_rt_sigreturn << 16),
+                          (long __user *)(frame->retcode + 4));
+#else
         /* moveq #,d0; notb d0; trap #0 */
         err |= __put_user(0x70004600 + ((__NR_rt_sigreturn ^ 0xff) << 16),
                           (long __user *)(frame->retcode + 0));
         err |= __put_user(0x4e40, (short __user *)(frame->retcode + 4));
+#endif
 
         if (err)
                 goto give_sigsegv;
diff --git a/arch/m68k/kernel/sys_m68k.c b/arch/m68k/kernel/sys_m68k.c
index 7deb402bfc75..77896692eb0a 100644
--- a/arch/m68k/kernel/sys_m68k.c
+++ b/arch/m68k/kernel/sys_m68k.c
@@ -28,215 +28,22 @@
 #include <asm/traps.h>
 #include <asm/page.h>
 #include <asm/unistd.h>
+#include <linux/elf.h>
+#include <asm/tlb.h>
 
-/* common code for old and new mmaps */
-static inline long do_mmap2(
-        unsigned long addr, unsigned long len,
-        unsigned long prot, unsigned long flags,
-        unsigned long fd, unsigned long pgoff)
-{
-        int error = -EBADF;
-        struct file * file = NULL;
-
-        flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
-        if (!(flags & MAP_ANONYMOUS)) {
-                file = fget(fd);
-                if (!file)
-                        goto out;
-        }
-
-        down_write(&current->mm->mmap_sem);
-        error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
-        up_write(&current->mm->mmap_sem);
-
-        if (file)
-                fput(file);
-out:
-        return error;
-}
+asmlinkage int do_page_fault(struct pt_regs *regs, unsigned long address,
+                             unsigned long error_code);
 
 asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
         unsigned long prot, unsigned long flags,
         unsigned long fd, unsigned long pgoff)
 {
-        return do_mmap2(addr, len, prot, flags, fd, pgoff);
-}
-
-/*
- * Perform the select(nd, in, out, ex, tv) and mmap() system
- * calls. Linux/m68k cloned Linux/i386, which didn't use to be able to
- * handle more than 4 system call parameters, so these system calls
- * used a memory block for parameter passing..
- */
-
-struct mmap_arg_struct {
-        unsigned long addr;
-        unsigned long len;
-        unsigned long prot;
-        unsigned long flags;
-        unsigned long fd;
-        unsigned long offset;
-};
-
-asmlinkage int old_mmap(struct mmap_arg_struct __user *arg)
-{
-        struct mmap_arg_struct a;
-        int error = -EFAULT;
-
-        if (copy_from_user(&a, arg, sizeof(a)))
-                goto out;
-
-        error = -EINVAL;
-        if (a.offset & ~PAGE_MASK)
-                goto out;
-
-        a.flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
-
-        error = do_mmap2(a.addr, a.len, a.prot, a.flags, a.fd, a.offset >> PAGE_SHIFT);
-out:
-        return error;
-}
-
-#if 0
-struct mmap_arg_struct64 {
-        __u32 addr;
-        __u32 len;
-        __u32 prot;
-        __u32 flags;
-        __u64 offset; /* 64 bits */
-        __u32 fd;
-};
-
-asmlinkage long sys_mmap64(struct mmap_arg_struct64 *arg)
-{
-        int error = -EFAULT;
-        struct file * file = NULL;
-        struct mmap_arg_struct64 a;
-        unsigned long pgoff;
-
-        if (copy_from_user(&a, arg, sizeof(a)))
-                return -EFAULT;
-
-        if ((long)a.offset & ~PAGE_MASK)
-                return -EINVAL;
-
-        pgoff = a.offset >> PAGE_SHIFT;
-        if ((a.offset >> PAGE_SHIFT) != pgoff)
-                return -EINVAL;
-
-        if (!(a.flags & MAP_ANONYMOUS)) {
-                error = -EBADF;
-                file = fget(a.fd);
-                if (!file)
-                        goto out;
-        }
-        a.flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
-
-        down_write(&current->mm->mmap_sem);
-        error = do_mmap_pgoff(file, a.addr, a.len, a.prot, a.flags, pgoff);
-        up_write(&current->mm->mmap_sem);
-        if (file)
-                fput(file);
-out:
-        return error;
-}
-#endif
-
-struct sel_arg_struct {
-        unsigned long n;
-        fd_set __user *inp, *outp, *exp;
-        struct timeval __user *tvp;
-};
-
-asmlinkage int old_select(struct sel_arg_struct __user *arg)
-{
-        struct sel_arg_struct a;
-
-        if (copy_from_user(&a, arg, sizeof(a)))
-                return -EFAULT;
-        /* sys_select() does the appropriate kernel locking */
-        return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp);
-}
-
-/*
- * sys_ipc() is the de-multiplexer for the SysV IPC calls..
- *
- * This is really horribly ugly.
- */
-asmlinkage int sys_ipc (uint call, int first, int second,
-                        int third, void __user *ptr, long fifth)
-{
-        int version, ret;
-
-        version = call >> 16; /* hack for backward compatibility */
-        call &= 0xffff;
-
-        if (call <= SEMCTL)
-                switch (call) {
-                case SEMOP:
-                        return sys_semop (first, ptr, second);
-                case SEMGET:
-                        return sys_semget (first, second, third);
-                case SEMCTL: {
-                        union semun fourth;
-                        if (!ptr)
-                                return -EINVAL;
-                        if (get_user(fourth.__pad, (void __user *__user *) ptr))
-                                return -EFAULT;
-                        return sys_semctl (first, second, third, fourth);
-                        }
-                default:
-                        return -ENOSYS;
-                }
-        if (call <= MSGCTL)
-                switch (call) {
-                case MSGSND:
-                        return sys_msgsnd (first, ptr, second, third);
-                case MSGRCV:
-                        switch (version) {
-                        case 0: {
-                                struct ipc_kludge tmp;
-                                if (!ptr)
-                                        return -EINVAL;
-                                if (copy_from_user (&tmp, ptr, sizeof (tmp)))
-                                        return -EFAULT;
-                                return sys_msgrcv (first, tmp.msgp, second,
-                                                   tmp.msgtyp, third);
-                                }
-                        default:
-                                return sys_msgrcv (first, ptr,
-                                                   second, fifth, third);
-                        }
-                case MSGGET:
-                        return sys_msgget ((key_t) first, second);
-                case MSGCTL:
-                        return sys_msgctl (first, second, ptr);
-                default:
-                        return -ENOSYS;
-                }
-        if (call <= SHMCTL)
-                switch (call) {
-                case SHMAT:
-                        switch (version) {
-                        default: {
-                                ulong raddr;
-                                ret = do_shmat (first, ptr, second, &raddr);
-                                if (ret)
-                                        return ret;
-                                return put_user (raddr, (ulong __user *) third);
-                        }
-                        }
-                case SHMDT:
-                        return sys_shmdt (ptr);
-                case SHMGET:
-                        return sys_shmget (first, second, third);
-                case SHMCTL:
-                        return sys_shmctl (first, second, ptr);
-                default:
-                        return -ENOSYS;
-                }
-
-        return -EINVAL;
+        /*
+         * This is wrong for sun3 - there PAGE_SIZE is 8Kb,
+         * so we need to shift the argument down by 1; m68k mmap64(3)
+         * (in libc) expects the last argument of mmap2 in 4Kb units.
+         */
+        return sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff);
 }
 
 /* Convert virtual (user) address VADDR to physical address PADDR */
@@ -662,3 +469,79 @@ int kernel_execve(const char *filename, char *const argv[], char *const envp[])
                         : "d" (__a), "d" (__b), "d" (__c));
         return __res;
 }
+
+asmlinkage unsigned long sys_get_thread_area(void)
+{
+        return current_thread_info()->tp_value;
+}
+
+asmlinkage int sys_set_thread_area(unsigned long tp)
+{
+        current_thread_info()->tp_value = tp;
+        return 0;
+}
+
+/* This syscall gets its arguments in A0 (mem), D2 (oldval) and
+   D1 (newval).  */
+asmlinkage int
+sys_atomic_cmpxchg_32(unsigned long newval, int oldval, int d3, int d4, int d5,
+                      unsigned long __user * mem)
+{
+        /* This was borrowed from ARM's implementation.  */
+        for (;;) {
+                struct mm_struct *mm = current->mm;
+                pgd_t *pgd;
+                pmd_t *pmd;
+                pte_t *pte;
+                spinlock_t *ptl;
+                unsigned long mem_value;
+
+                down_read(&mm->mmap_sem);
+                pgd = pgd_offset(mm, (unsigned long)mem);
+                if (!pgd_present(*pgd))
+                        goto bad_access;
+                pmd = pmd_offset(pgd, (unsigned long)mem);
+                if (!pmd_present(*pmd))
+                        goto bad_access;
+                pte = pte_offset_map_lock(mm, pmd, (unsigned long)mem, &ptl);
+                if (!pte_present(*pte) || !pte_dirty(*pte)
+                    || !pte_write(*pte)) {
+                        pte_unmap_unlock(pte, ptl);
+                        goto bad_access;
+                }
+
+                mem_value = *mem;
+                if (mem_value == oldval)
+                        *mem = newval;
+
+                pte_unmap_unlock(pte, ptl);
+                up_read(&mm->mmap_sem);
+                return mem_value;
+
+              bad_access:
+                up_read(&mm->mmap_sem);
+                /* This is not necessarily a bad access, we can get here if
+                   a memory we're trying to write to should be copied-on-write.
+                   Make the kernel do the necessary page stuff, then re-iterate.
+                   Simulate a write access fault to do that.  */
+                {
+                        /* The first argument of the function corresponds to
+                           D1, which is the first field of struct pt_regs.  */
+                        struct pt_regs *fp = (struct pt_regs *)&newval;
+
+                        /* '3' is an RMW flag.  */
+                        if (do_page_fault(fp, (unsigned long)mem, 3))
+                                /* If the do_page_fault() failed, we don't
+                                   have anything meaningful to return.
+                                   There should be a SIGSEGV pending for
+                                   the process.  */
+                                return 0xdeadbeef;
+                }
+        }
+}
+
+asmlinkage int sys_atomic_barrier(void)
+{
+        /* no code needed for uniprocs */
+        return 0;
+}
diff --git a/arch/m68k/kernel/vmlinux-std.lds b/arch/m68k/kernel/vmlinux-std.lds
index 47eac19e8f61..878be5f38cad 100644
--- a/arch/m68k/kernel/vmlinux-std.lds
+++ b/arch/m68k/kernel/vmlinux-std.lds
@@ -2,6 +2,7 @@
 
 #include <asm-generic/vmlinux.lds.h>
 #include <asm/page.h>
+#include <asm/thread_info.h>
 
 OUTPUT_FORMAT("elf32-m68k", "elf32-m68k", "elf32-m68k")
 OUTPUT_ARCH(m68k)
@@ -22,73 +23,37 @@ SECTIONS
 
   _etext = .;                   /* End of text section */
 
-  . = ALIGN(16);                /* Exception table */
-  __start___ex_table = .;
-  __ex_table : { *(__ex_table) }
-  __stop___ex_table = .;
+  EXCEPTION_TABLE(16)
 
   RODATA
 
-  .data : {                     /* Data */
-        DATA_DATA
-        CONSTRUCTORS
-        }
+  RW_DATA_SECTION(16, PAGE_SIZE, THREAD_SIZE)
 
-  . = ALIGN(16);
-  .data.cacheline_aligned : { *(.data.cacheline_aligned) }
-
-  .bss : { *(.bss) }            /* BSS */
+  BSS_SECTION(0, 0, 0)
 
   _edata = .;                   /* End of data section */
 
   /* will be freed after init */
   . = ALIGN(PAGE_SIZE);         /* Init code and data */
   __init_begin = .;
-  .init.text : {
-        _sinittext = .;
-        INIT_TEXT
-        _einittext = .;
-  } :data
-  .init.data : { INIT_DATA }
-  . = ALIGN(16);
-  __setup_start = .;
-  .init.setup : { *(.init.setup) }
-  __setup_end = .;
-  __initcall_start = .;
-  .initcall.init : {
-        INITCALLS
-  }
-  __initcall_end = .;
-  __con_initcall_start = .;
-  .con_initcall.init : { *(.con_initcall.init) }
-  __con_initcall_end = .;
+  INIT_TEXT_SECTION(PAGE_SIZE) :data
+  INIT_DATA_SECTION(16)
   .m68k_fixup : {
         __start_fixup = .;
         *(.m68k_fixup)
         __stop_fixup = .;
   }
-  SECURITY_INIT
-#ifdef CONFIG_BLK_DEV_INITRD
-  . = ALIGN(8192);
-  __initramfs_start = .;
-  .init.ramfs : { *(.init.ramfs) }
-  __initramfs_end = .;
-#endif
   NOTES
-  . = ALIGN(8192);
-  __init_end = .;
-
-  .data.init_task : { *(.data.init_task) }      /* The initial task and kernel stack */
+  .init_end : {
+        /* This ALIGN be in a section so that _end is at the end of the
+           load segment. */
+        . = ALIGN(PAGE_SIZE);
+        __init_end = .;
+  }
 
   _end = . ;
 
-  /* Stabs debugging sections.  */
-  .stab 0 : { *(.stab) }
-  .stabstr 0 : { *(.stabstr) }
-  .stab.excl 0 : { *(.stab.excl) }
-  .stab.exclstr 0 : { *(.stab.exclstr) }
-  .stab.index 0 : { *(.stab.index) }
-  .stab.indexstr 0 : { *(.stab.indexstr) }
+  STABS_DEBUG
   .comment 0 : { *(.comment) }
 
   /* Sections to be discarded */
diff --git a/arch/m68k/kernel/vmlinux-sun3.lds b/arch/m68k/kernel/vmlinux-sun3.lds
index 03efaf04d7d7..1ad6b7ad2c17 100644
--- a/arch/m68k/kernel/vmlinux-sun3.lds
+++ b/arch/m68k/kernel/vmlinux-sun3.lds
@@ -2,6 +2,7 @@
 
 #include <asm-generic/vmlinux.lds.h>
 #include <asm/page.h>
+#include <asm/thread_info.h>
 
 OUTPUT_FORMAT("elf32-m68k", "elf32-m68k", "elf32-m68k")
 OUTPUT_ARCH(m68k)
@@ -23,14 +24,8 @@ SECTIONS
 
   _etext = .;                   /* End of text section */
 
-  .data : {                     /* Data */
-        DATA_DATA
-        CONSTRUCTORS
-        . = ALIGN(16);          /* Exception table */
-        __start___ex_table = .;
-        *(__ex_table)
-        __stop___ex_table = .;
-        } :data
+  EXCEPTION_TABLE(16) :data
+  RW_DATA_SECTION(16, PAGE_SIZE, THREAD_SIZE) :data
   /* End of data goes *here* so that freeing init code works properly. */
   _edata = .;
   NOTES
@@ -38,56 +33,21 @@ SECTIONS
   /* will be freed after init */
   . = ALIGN(PAGE_SIZE); /* Init code and data */
 __init_begin = .;
-        .init.text : {
-                _sinittext = .;
-                INIT_TEXT
-                _einittext = .;
-        }
-        .init.data : { INIT_DATA }
-        . = ALIGN(16);
-        __setup_start = .;
-        .init.setup : { *(.init.setup) }
-        __setup_end = .;
-        __initcall_start = .;
-        .initcall.init : {
-                INITCALLS
-        }
-        __initcall_end = .;
-        __con_initcall_start = .;
-        .con_initcall.init : { *(.con_initcall.init) }
-        __con_initcall_end = .;
+        INIT_TEXT_SECTION(PAGE_SIZE)
+        INIT_DATA_SECTION(16)
         .m68k_fixup : {
                 __start_fixup = .;
                 *(.m68k_fixup)
                 __stop_fixup = .;
         }
-        SECURITY_INIT
-#ifdef CONFIG_BLK_DEV_INITRD
-        . = ALIGN(PAGE_SIZE);
-        __initramfs_start = .;
-        .init.ramfs : { *(.init.ramfs) }
-        __initramfs_end = .;
-#endif
         . = ALIGN(PAGE_SIZE);
         __init_end = .;
-        .data.init.task : { *(.data.init_task) }
-
 
-  .bss : { *(.bss) }            /* BSS */
+  BSS_SECTION(0, 0, 0)
 
   _end = . ;
 
-  .crap : {
-        /* Stabs debugging sections.  */
-        *(.stab)
-        *(.stabstr)
-        *(.stab.excl)
-        *(.stab.exclstr)
-        *(.stab.index)
-        *(.stab.indexstr)
-        *(.comment)
-        *(.note)
-  }
+  STABS_DEBUG
 
   /* Sections to be discarded */
   DISCARDS