summaryrefslogtreecommitdiff
path: root/arch/avr32/kernel
diff options
context:
space:
mode:
Diffstat (limited to 'arch/avr32/kernel')
-rw-r--r--arch/avr32/kernel/process.c4
-rw-r--r--arch/avr32/kernel/setup.c1
-rw-r--r--arch/avr32/kernel/traps.c4
3 files changed, 9 insertions, 0 deletions
diff --git a/arch/avr32/kernel/process.c b/arch/avr32/kernel/process.c
index eaaa69bbdc38..7f4af0b1e111 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/kernel/setup.c b/arch/avr32/kernel/setup.c
index e66a07a928cd..2687b730e2d0 100644
--- a/arch/avr32/kernel/setup.c
+++ b/arch/avr32/kernel/setup.c
@@ -163,6 +163,7 @@ add_reserved_region(resource_size_t start, resource_size_t end,
new->start = start;
new->end = end;
new->name = name;
+ new->sibling = next;
new->flags = IORESOURCE_MEM;
*pprev = new;
diff --git a/arch/avr32/kernel/traps.c b/arch/avr32/kernel/traps.c
index cf6f686d9b0b..b835c4c01368 100644
--- a/arch/avr32/kernel/traps.c
+++ b/arch/avr32/kernel/traps.c
@@ -178,6 +178,7 @@ static int do_cop_absent(u32 insn)
return 0;
}
+#ifdef CONFIG_BUG
int is_valid_bugaddr(unsigned long pc)
{
unsigned short opcode;
@@ -189,6 +190,7 @@ int is_valid_bugaddr(unsigned long pc)
return opcode == AVR32_BUG_OPCODE;
}
+#endif
asmlinkage void do_illegal_opcode(unsigned long ecr, struct pt_regs *regs)
{
@@ -197,6 +199,7 @@ asmlinkage void do_illegal_opcode(unsigned long ecr, struct pt_regs *regs)
void __user *pc;
long code;
+#ifdef CONFIG_BUG
if (!user_mode(regs) && (ecr == ECR_ILLEGAL_OPCODE)) {
enum bug_trap_type type;
@@ -211,6 +214,7 @@ asmlinkage void do_illegal_opcode(unsigned long ecr, struct pt_regs *regs)
die("Kernel BUG", regs, SIGKILL);
}
}
+#endif
local_irq_enable();