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Diffstat (limited to 'arch/cris/kernel/process.c')
-rw-r--r--arch/cris/kernel/process.c90
1 files changed, 4 insertions, 86 deletions
diff --git a/arch/cris/kernel/process.c b/arch/cris/kernel/process.c
index c99aeab7cef..b78498eb079 100644
--- a/arch/cris/kernel/process.c
+++ b/arch/cris/kernel/process.c
@@ -12,11 +12,10 @@
* This file handles the architecture-dependent parts of process handling..
*/
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include <asm/pgtable.h>
#include <asm/uaccess.h>
#include <asm/irq.h>
-#include <asm/system.h>
#include <linux/module.h>
#include <linux/spinlock.h>
#include <linux/init_task.h>
@@ -26,99 +25,18 @@
#include <linux/elfcore.h>
#include <linux/mqueue.h>
#include <linux/reboot.h>
+#include <linux/rcupdate.h>
//#define DEBUG
-/*
- * Initial task structure. Make this a per-architecture thing,
- * because different architectures tend to have different
- * alignment requirements and potentially different initial
- * setup.
- */
-
-static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
-static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
-/*
- * Initial thread structure.
- *
- * We need to make sure that this is 8192-byte aligned due to the
- * way process stacks are handled. This is done by having a special
- * "init_task" linker map entry..
- */
-union thread_union init_thread_union __init_task_data =
- { INIT_THREAD_INFO(init_task) };
-
-/*
- * Initial task structure.
- *
- * All other task structs will be allocated on slabs in fork.c
- */
-struct task_struct init_task = INIT_TASK(init_task);
-
-EXPORT_SYMBOL(init_task);
-
-/*
- * The hlt_counter, disable_hlt and enable_hlt is just here as a hook if
- * there would ever be a halt sequence (for power save when idle) with
- * some largish delay when halting or resuming *and* a driver that can't
- * afford that delay. The hlt_counter would then be checked before
- * executing the halt sequence, and the driver marks the unhaltable
- * region by enable_hlt/disable_hlt.
- */
-
-int cris_hlt_counter=0;
-
-void disable_hlt(void)
-{
- cris_hlt_counter++;
-}
-
-EXPORT_SYMBOL(disable_hlt);
-
-void enable_hlt(void)
-{
- cris_hlt_counter--;
-}
-
-EXPORT_SYMBOL(enable_hlt);
-
-/*
- * The following aren't currently used.
- */
-void (*pm_idle)(void);
-
extern void default_idle(void);
void (*pm_power_off)(void);
EXPORT_SYMBOL(pm_power_off);
-/*
- * The idle thread. There's no useful work to be
- * done, so just try to conserve power and have a
- * low exit latency (ie sit in a loop waiting for
- * somebody to say that they'd like to reschedule)
- */
-
-void cpu_idle (void)
+void arch_cpu_idle(void)
{
- /* endless idle loop with no priority at all */
- while (1) {
- while (!need_resched()) {
- void (*idle)(void);
- /*
- * Mark this as an RCU critical section so that
- * synchronize_kernel() in the unload path waits
- * for our completion.
- */
- idle = pm_idle;
- if (!idle)
- idle = default_idle;
- idle();
- }
- preempt_enable_no_resched();
- schedule();
- preempt_disable();
- }
+ default_idle();
}
void hard_reset_now (void);