#include <linux/kdebug.h>
#include <linux/tick.h>
#include <linux/reboot.h>
+#include <linux/fs.h>
+#include <linux/preempt.h>
#include <asm/uaccess.h>
#include <asm/mmu_context.h>
#include <asm/pgalloc.h>
unlazy_fpu(prev, task_pt_regs(prev));
#endif
-#ifdef CONFIG_PREEMPT
+#if defined(CONFIG_GUSA) && defined(CONFIG_PREEMPT)
{
- unsigned long flags;
struct pt_regs *regs;
- local_irq_save(flags);
+ preempt_disable();
regs = task_pt_regs(prev);
if (user_mode(regs) && regs->regs[15] >= 0xc0000000) {
int offset = (int)regs->regs[15];
/* Go to rewind point */
regs->pc = regs->regs[0] + offset;
}
- local_irq_restore(flags);
+ preempt_enable_no_resched();
}
#endif
unsigned long get_wchan(struct task_struct *p)
{
- unsigned long schedule_frame;
unsigned long pc;
if (!p || p == current || p->state == TASK_RUNNING)
* The same comment as on the Alpha applies here, too ...
*/
pc = thread_saved_pc(p);
+
+#ifdef CONFIG_FRAME_POINTER
if (in_sched_functions(pc)) {
- schedule_frame = (unsigned long)p->thread.sp;
+ unsigned long schedule_frame = (unsigned long)p->thread.sp;
return ((unsigned long *)schedule_frame)[21];
}
+#endif
return pc;
}