Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

[linux-2.6.git] / arch / m68knommu / kernel / process.c

diff --git a/arch/m68knommu/kernel/process.c b/arch/m68knommu/kernel/process.c
index c4a33f2..f861755 100644 (file)
--- a/arch/m68knommu/kernel/process.c
+++ b/arch/m68knommu/kernel/process.c
@@ -39,11 +39,19 @@
 
 asmlinkage void ret_from_fork(void);
 
+/*
+ * The following aren't currently used.
+ */
+void (*pm_idle)(void);
+EXPORT_SYMBOL(pm_idle);
+
+void (*pm_power_off)(void);
+EXPORT_SYMBOL(pm_power_off);
 
 /*
  * The idle loop on an m68knommu..
  */
-void default_idle(void)
+static void default_idle(void)
 {
        local_irq_disable();
        while (!need_resched()) {
@@ -80,8 +88,6 @@ void machine_restart(char * __unused)
        for (;;);
 }
 
-EXPORT_SYMBOL(machine_restart);
-
 void machine_halt(void)
 {
        if (mach_halt)
@@ -89,8 +95,6 @@ void machine_halt(void)
        for (;;);
 }
 
-EXPORT_SYMBOL(machine_halt);
-
 void machine_power_off(void)
 {
        if (mach_power_off)
@@ -98,8 +102,6 @@ void machine_power_off(void)
        for (;;);
 }
 
-EXPORT_SYMBOL(machine_power_off);
-
 void show_regs(struct pt_regs * regs)
 {
        printk(KERN_NOTICE "\n");
@@ -204,10 +206,9 @@ int copy_thread(int nr, unsigned long clone_flags,
 {
        struct pt_regs * childregs;
        struct switch_stack * childstack, *stack;
-       unsigned long stack_offset, *retp;
+       unsigned long *retp;
 
-       stack_offset = THREAD_SIZE - sizeof(struct pt_regs);
-       childregs = (struct pt_regs *) ((unsigned long) p->thread_info + stack_offset);
+       childregs = (struct pt_regs *) (task_stack_page(p) + THREAD_SIZE) - 1;
 
        *childregs = *regs;
        childregs->d0 = 0;
@@ -281,52 +282,6 @@ int dump_fpu(struct pt_regs *regs, struct user_m68kfp_struct *fpu)
        return 1;
 }
 
-/*
- * fill in the user structure for a core dump..
- */
-void dump_thread(struct pt_regs * regs, struct user * dump)
-{
-       struct switch_stack *sw;
-
-       /* changed the size calculations - should hopefully work better. lbt */
-       dump->magic = CMAGIC;
-       dump->start_code = 0;
-       dump->start_stack = rdusp() & ~(PAGE_SIZE - 1);
-       dump->u_tsize = ((unsigned long) current->mm->end_code) >> PAGE_SHIFT;
-       dump->u_dsize = ((unsigned long) (current->mm->brk +
-                                         (PAGE_SIZE-1))) >> PAGE_SHIFT;
-       dump->u_dsize -= dump->u_tsize;
-       dump->u_ssize = 0;
-
-       if (dump->start_stack < TASK_SIZE)
-               dump->u_ssize = ((unsigned long) (TASK_SIZE - dump->start_stack)) >> PAGE_SHIFT;
-
-       dump->u_ar0 = (struct user_regs_struct *)((int)&dump->regs - (int)dump);
-       sw = ((struct switch_stack *)regs) - 1;
-       dump->regs.d1 = regs->d1;
-       dump->regs.d2 = regs->d2;
-       dump->regs.d3 = regs->d3;
-       dump->regs.d4 = regs->d4;
-       dump->regs.d5 = regs->d5;
-       dump->regs.d6 = sw->d6;
-       dump->regs.d7 = sw->d7;
-       dump->regs.a0 = regs->a0;
-       dump->regs.a1 = regs->a1;
-       dump->regs.a2 = regs->a2;
-       dump->regs.a3 = sw->a3;
-       dump->regs.a4 = sw->a4;
-       dump->regs.a5 = sw->a5;
-       dump->regs.a6 = sw->a6;
-       dump->regs.d0 = regs->d0;
-       dump->regs.orig_d0 = regs->orig_d0;
-       dump->regs.stkadj = regs->stkadj;
-       dump->regs.sr = regs->sr;
-       dump->regs.pc = regs->pc;
-       dump->regs.fmtvec = (regs->format << 12) | regs->vector;
-       /* dump floating point stuff */
-       dump->u_fpvalid = dump_fpu (regs, &dump->m68kfp);
-}
-
 /*
  *     Generic dumping code. Used for panic and debug.
  */