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-rw-r--r--arch/hexagon/kernel/process.c23
-rw-r--r--arch/hexagon/kernel/smp.c2
-rw-r--r--arch/hexagon/kernel/traps.c8
-rw-r--r--arch/hexagon/kernel/vm_events.c2
4 files changed, 6 insertions, 29 deletions
diff --git a/arch/hexagon/kernel/process.c b/arch/hexagon/kernel/process.c
index 7fcc636..0a0dd5c 100644
--- a/arch/hexagon/kernel/process.c
+++ b/arch/hexagon/kernel/process.c
@@ -52,28 +52,11 @@ void start_thread(struct pt_regs *regs, unsigned long pc, unsigned long sp)
* If hardware or VM offer wait termination even though interrupts
* are disabled.
*/
-static void default_idle(void)
+void arch_cpu_idle(void)
{
__vmwait();
-}
-
-void (*idle_sleep)(void) = default_idle;
-
-void cpu_idle(void)
-{
- while (1) {
- tick_nohz_idle_enter();
- local_irq_disable();
- while (!need_resched()) {
- idle_sleep();
- /* interrupts wake us up, but aren't serviced */
- local_irq_enable(); /* service interrupt */
- local_irq_disable();
- }
- local_irq_enable();
- tick_nohz_idle_exit();
- schedule();
- }
+ /* interrupts wake us up, but irqs are still disabled */
+ local_irq_enable();
}
/*
diff --git a/arch/hexagon/kernel/smp.c b/arch/hexagon/kernel/smp.c
index 8e095df..0e364ca 100644
--- a/arch/hexagon/kernel/smp.c
+++ b/arch/hexagon/kernel/smp.c
@@ -184,7 +184,7 @@ void __cpuinit start_secondary(void)
local_irq_enable();
- cpu_idle();
+ cpu_startup_entry(CPUHP_ONLINE);
}
diff --git a/arch/hexagon/kernel/traps.c b/arch/hexagon/kernel/traps.c
index aaf53f8..7858663 100644
--- a/arch/hexagon/kernel/traps.c
+++ b/arch/hexagon/kernel/traps.c
@@ -195,14 +195,6 @@ void show_stack(struct task_struct *task, unsigned long *fp)
do_show_stack(task, fp, 0);
}
-void dump_stack(void)
-{
- unsigned long *fp;
- asm("%0 = r30" : "=r" (fp));
- show_stack(current, fp);
-}
-EXPORT_SYMBOL(dump_stack);
-
int die(const char *str, struct pt_regs *regs, long err)
{
static struct {
diff --git a/arch/hexagon/kernel/vm_events.c b/arch/hexagon/kernel/vm_events.c
index 3e44530..741aaa9 100644
--- a/arch/hexagon/kernel/vm_events.c
+++ b/arch/hexagon/kernel/vm_events.c
@@ -33,6 +33,8 @@
*/
void show_regs(struct pt_regs *regs)
{
+ show_regs_print_info(KERN_EMERG);
+
printk(KERN_EMERG "restart_r0: \t0x%08lx syscall_nr: %ld\n",
regs->restart_r0, regs->syscall_nr);
printk(KERN_EMERG "preds: \t\t0x%08lx\n", regs->preds);
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