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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-29 08:43:27 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-29 08:43:27 -0800
commit99642e211a789df34347c3f10f0301462837f0c5 (patch)
tree5979e8fd2e480f2d4f20cdab12a7ff92b41bd73e
parent84b9a774008b132a8b5bd5460f639028a9c7f971 (diff)
parent325d6f5593b40b5a48cf4ade74c01681f2ff6044 (diff)
Merge branch 'avr32-fixes' of git://git.kernel.org/pub/scm/linux/kernel/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
-rw-r--r--arch/avr32/boards/atstk1000/atstk1004.c2
-rw-r--r--arch/avr32/kernel/process.c4
-rw-r--r--arch/avr32/mm/fault.c2
-rw-r--r--include/asm-avr32/pgtable.h1
4 files changed, 8 insertions, 1 deletions
diff --git a/arch/avr32/boards/atstk1000/atstk1004.c b/arch/avr32/boards/atstk1000/atstk1004.c
index 5a77030e07a..e765a8652b3 100644
--- a/arch/avr32/boards/atstk1000/atstk1004.c
+++ b/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,
diff --git a/arch/avr32/kernel/process.c b/arch/avr32/kernel/process.c
index eaaa69bbdc3..7f4af0b1e11 100644
--- a/arch/avr32/kernel/process.c
+++ b/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);
diff --git a/arch/avr32/mm/fault.c b/arch/avr32/mm/fault.c
index 6560cb18b4e..ce4e4296b95 100644
--- a/arch/avr32/mm/fault.c
+++ b/arch/avr32/mm/fault.c
@@ -189,6 +189,8 @@ no_context:
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);
diff --git a/include/asm-avr32/pgtable.h b/include/asm-avr32/pgtable.h
index 018f6e2a024..3ae7b548fce 100644
--- a/include/asm-avr32/pgtable.h
+++ b/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__
/*