Merge branch 'avr32-fixes' of git://git.kernel.org/pub/scm/linux/kern…

…el/git/hskinnemoen/avr32-2.6

* 'avr32-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6:
  avr32: Fix OCD refcounting bug
  avr32: Call tick_nohz_{stop,restart}_sched_tick() in idle loop
  avr32: Use correct config symbol in atstk1004 board code
  avr32: Fix broken pte dump code in do_page_fault()
  AVR32: Define PAGE_SHARED

arch/avr32/boards/atstk1000/atstk1004.c

@@ -129,7 +129,7 @@ static int __init atstk1004_init(void)
 #ifdef CONFIG_BOARD_ATSTK100X_SPI1
 	at32_add_device_spi(1, spi1_board_info, ARRAY_SIZE(spi1_board_info));
 #endif
-#ifndef CONFIG_BOARD_ATSTK1002_SW2_CUSTOM
+#ifndef CONFIG_BOARD_ATSTK100X_SW2_CUSTOM
 	at32_add_device_mci(0);
 #endif
 	at32_add_device_lcdc(0, &atstk1000_lcdc_data,

arch/avr32/kernel/process.c

@@ -11,6 +11,7 @@
 #include <linux/fs.h>
 #include <linux/ptrace.h>
 #include <linux/reboot.h>
+#include <linux/tick.h>
 #include <linux/uaccess.h>
 #include <linux/unistd.h>
 
@@ -30,8 +31,10 @@ void cpu_idle(void)
 {
 	/* endless idle loop with no priority at all */
 	while (1) {
+		tick_nohz_stop_sched_tick();
 		while (!need_resched())
 			cpu_idle_sleep();
+		tick_nohz_restart_sched_tick();
 		preempt_enable_no_resched();
 		schedule();
 		preempt_disable();
@@ -345,6 +348,7 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long usp,
 	p->thread.cpu_context.ksp = (unsigned long)childregs;
 	p->thread.cpu_context.pc = (unsigned long)ret_from_fork;
 
+	clear_tsk_thread_flag(p, TIF_DEBUG);
 	if ((clone_flags & CLONE_PTRACE) && test_thread_flag(TIF_DEBUG))
 		ocd_enable(p);
 

arch/avr32/mm/fault.c

@@ -189,6 +189,8 @@ asmlinkage void do_page_fault(unsigned long ecr, struct pt_regs *regs)
 
 	page = sysreg_read(PTBR);
 	printk(KERN_ALERT "ptbr = %08lx", page);
+	if (address >= TASK_SIZE)
+		page = (unsigned long)swapper_pg_dir;
 	if (page) {
 		page = ((unsigned long *)page)[address >> 22];
 		printk(" pgd = %08lx", page);

include/asm-avr32/pgtable.h

@@ -157,6 +157,7 @@ extern struct page *empty_zero_page;
 #define _PAGE_S(x)	_PAGE_NORMAL(x)
 
 #define PAGE_COPY	_PAGE_P(PAGE_WRITE | PAGE_READ)
+#define PAGE_SHARED	_PAGE_S(PAGE_WRITE | PAGE_READ)
 
 #ifndef __ASSEMBLY__
 /*