X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fv850%2Fkernel%2Fprocess.c;h=6307dc58dd87f65b3e05fa39a63147537cc46e14;hb=698adff3c3949c437fe8be4f27db090b1ae0c503;hp=2fccb4cc7b824a8ca7146846d2df027272748d0c;hpb=daddc0d38b3571bed170afa273a49a0eba090c1e;p=linux-2.6.git

diff --git a/arch/v850/kernel/process.c b/arch/v850/kernel/process.c
index 2fccb4cc7..6307dc58d 100644
--- a/arch/v850/kernel/process.c
+++ b/arch/v850/kernel/process.c
@@ -11,7 +11,6 @@
  * Written by Miles Bader <miles@gnu.org>
  */
 
-#include <linux/config.h>
 #include <linux/errno.h>
 #include <linux/sched.h>
 #include <linux/kernel.h>
@@ -30,17 +29,17 @@
 #include <asm/system.h>
 #include <asm/pgtable.h>
 
+void (*pm_power_off)(void) = NULL;
+EXPORT_SYMBOL(pm_power_off);
+
 extern void ret_from_fork (void);
 
 
 /* The idle loop.  */
-void default_idle (void)
+static void default_idle (void)
 {
-	while (1) {
-		while (! need_resched ())
-			asm ("halt; nop; nop; nop; nop; nop" ::: "cc");
-		schedule ();
-	}
+	while (! need_resched ())
+		asm ("halt; nop; nop; nop; nop; nop" ::: "cc");
 }
 
 void (*idle)(void) = default_idle;
@@ -54,7 +53,14 @@ void (*idle)(void) = default_idle;
 void cpu_idle (void)
 {
 	/* endless idle loop with no priority at all */
-	(*idle) ();
+	while (1) {
+		while (!need_resched())
+			(*idle) ();
+
+		preempt_enable_no_resched();
+		schedule();
+		preempt_disable();
+	}
 }
 
 /*
@@ -77,7 +83,7 @@ int kernel_thread (int (*fn)(void *), void *arg, unsigned long flags)
 	/* Clone this thread.  Note that we don't pass the clone syscall's
 	   second argument -- it's ignored for calls from kernel mode (the
 	   child's SP is always set to the top of the kernel stack).  */
-	arg0 = flags | CLONE_VM;
+	arg0 = flags | CLONE_VM | CLONE_KTHREAD;
 	syscall = __NR_clone;
 	asm volatile ("trap " SYSCALL_SHORT_TRAP
 		      : "=r" (ret), "=r" (syscall)
@@ -110,7 +116,7 @@ int copy_thread (int nr, unsigned long clone_flags,
 		 struct task_struct *p, struct pt_regs *regs)
 {
 	/* Start pushing stuff from the top of the child's kernel stack.  */
-	unsigned long orig_ksp = (unsigned long)p->thread_info + THREAD_SIZE;
+	unsigned long orig_ksp = task_tos(p);
 	unsigned long ksp = orig_ksp;
 	/* We push two `state save' stack fames (see entry.S) on the new
 	   kernel stack:
@@ -159,30 +165,6 @@ int copy_thread (int nr, unsigned long clone_flags,
 	return 0;
 }
 
-/*
- * fill in the user structure for a core dump..
- */
-void dump_thread (struct pt_regs *regs, struct user *dump)
-{
-#if 0  /* Later.  XXX */
-	dump->magic = CMAGIC;
-	dump->start_code = 0;
-	dump->start_stack = regs->gpr[GPR_SP];
-	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);
-	dump->regs = *regs;
-	dump->u_fpvalid = 0;
-#endif
-}
-
 /*
  * sys_execve() executes a new program.
  */
@@ -203,8 +185,8 @@ int sys_execve (char *name, char **argv, char **envp, struct pt_regs *regs)
 /*
  * These bracket the sleeping functions..
  */
-#define first_sched	((unsigned long) scheduling_functions_start_here)
-#define last_sched	((unsigned long) scheduling_functions_end_here)
+#define first_sched	((unsigned long)__sched_text_start)
+#define last_sched	((unsigned long)__sched_text_end)
 
 unsigned long get_wchan (struct task_struct *p)
 {