X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Ffrv%2Fkernel%2Fprocess.c;h=0fff8a61ef2a8ba2032ebfb50cfb553ff94cc97b;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=3001b82b1514856efed7204f6b09e0345a8cb974;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git

diff --git a/arch/frv/kernel/process.c b/arch/frv/kernel/process.c
index 3001b82b1..0fff8a61e 100644
--- a/arch/frv/kernel/process.c
+++ b/arch/frv/kernel/process.c
@@ -77,16 +77,20 @@ void (*idle)(void) = core_sleep_idle;
  */
 void cpu_idle(void)
 {
+	int cpu = smp_processor_id();
+
 	/* endless idle loop with no priority at all */
 	while (1) {
 		while (!need_resched()) {
-			irq_stat[smp_processor_id()].idle_timestamp = jiffies;
+			irq_stat[cpu].idle_timestamp = jiffies;
 
 			if (!frv_dma_inprogress && idle)
 				idle();
 		}
 
+		preempt_enable_no_resched();
 		schedule();
+		preempt_disable();
 	}
 }
 
@@ -200,7 +204,7 @@ int copy_thread(int nr, unsigned long clone_flags,
 
 	regs0 = __kernel_frame0_ptr;
 	childregs0 = (struct pt_regs *)
-		((unsigned long) p->thread_info + THREAD_SIZE - USER_CONTEXT_SIZE);
+		(task_stack_page(p) + THREAD_SIZE - USER_CONTEXT_SIZE);
 	childregs = childregs0;
 
 	/* set up the userspace frame (the only place that the USP is stored) */
@@ -216,7 +220,7 @@ int copy_thread(int nr, unsigned long clone_flags,
 		*childregs = *regs;
 		childregs->sp = (unsigned long) childregs0;
 		childregs->next_frame = childregs0;
-		childregs->gr15 = (unsigned long) p->thread_info;
+		childregs->gr15 = (unsigned long) task_thread_info(p);
 		childregs->gr29 = (unsigned long) p;
 	}
 
@@ -239,28 +243,6 @@ int copy_thread(int nr, unsigned long clone_flags,
 	return 0;
 } /* end copy_thread() */
 
-/*
- * fill in the user structure for a core dump..
- */
-void dump_thread(struct pt_regs *regs, struct user *dump)
-{
-#if 0
-	/* changed the size calculations - should hopefully work better. lbt */
-	dump->magic = CMAGIC;
-	dump->start_code = 0;
-	dump->start_stack = user_stack(regs) & ~(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->regs = *(struct user_context *) regs;
-#endif
-}
-
 /*
  * sys_execve() executes a new program.
  */