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-rw-r--r--arch/arm/kernel/process.c16
-rw-r--r--arch/arm64/kernel/process.c7
-rw-r--r--arch/powerpc/platforms/cell/spufs/sched.c1
-rw-r--r--arch/powerpc/platforms/powernv/setup.c13
-rw-r--r--arch/powerpc/platforms/pseries/setup.c34
-rw-r--r--arch/sh/kernel/idle.c4
-rw-r--r--arch/x86/kernel/process.c5
7 files changed, 24 insertions, 56 deletions
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 92f7b15dd221..adabeababeb0 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -30,7 +30,6 @@
#include <linux/uaccess.h>
#include <linux/random.h>
#include <linux/hw_breakpoint.h>
-#include <linux/cpuidle.h>
#include <linux/leds.h>
#include <linux/reboot.h>
@@ -133,7 +132,11 @@ EXPORT_SYMBOL_GPL(arm_pm_restart);
void (*arm_pm_idle)(void);
-static void default_idle(void)
+/*
+ * Called from the core idle loop.
+ */
+
+void arch_cpu_idle(void)
{
if (arm_pm_idle)
arm_pm_idle();
@@ -168,15 +171,6 @@ void arch_cpu_idle_dead(void)
#endif
/*
- * Called from the core idle loop.
- */
-void arch_cpu_idle(void)
-{
- if (cpuidle_idle_call())
- default_idle();
-}
-
-/*
* Called by kexec, immediately prior to machine_kexec().
*
* This must completely disable all secondary CPUs; simply causing those CPUs
diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c
index 1c0a9be2ffa8..9cce0098f4cd 100644
--- a/arch/arm64/kernel/process.c
+++ b/arch/arm64/kernel/process.c
@@ -33,7 +33,6 @@
#include <linux/kallsyms.h>
#include <linux/init.h>
#include <linux/cpu.h>
-#include <linux/cpuidle.h>
#include <linux/elfcore.h>
#include <linux/pm.h>
#include <linux/tick.h>
@@ -94,10 +93,8 @@ void arch_cpu_idle(void)
* This should do all the clock switching and wait for interrupt
* tricks
*/
- if (cpuidle_idle_call()) {
- cpu_do_idle();
- local_irq_enable();
- }
+ cpu_do_idle();
+ local_irq_enable();
}
#ifdef CONFIG_HOTPLUG_CPU
diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c
index 49318385d4fa..4a0a64fe25df 100644
--- a/arch/powerpc/platforms/cell/spufs/sched.c
+++ b/arch/powerpc/platforms/cell/spufs/sched.c
@@ -83,7 +83,6 @@ static struct timer_list spuloadavg_timer;
#define MIN_SPU_TIMESLICE max(5 * HZ / (1000 * SPUSCHED_TICK), 1)
#define DEF_SPU_TIMESLICE (100 * HZ / (1000 * SPUSCHED_TICK))
-#define MAX_USER_PRIO (MAX_PRIO - MAX_RT_PRIO)
#define SCALE_PRIO(x, prio) \
max(x * (MAX_PRIO - prio) / (MAX_USER_PRIO / 2), MIN_SPU_TIMESLICE)
diff --git a/arch/powerpc/platforms/powernv/setup.c b/arch/powerpc/platforms/powernv/setup.c
index 110f4fbd319f..81a7a0a79be7 100644
--- a/arch/powerpc/platforms/powernv/setup.c
+++ b/arch/powerpc/platforms/powernv/setup.c
@@ -26,7 +26,6 @@
#include <linux/of_fdt.h>
#include <linux/interrupt.h>
#include <linux/bug.h>
-#include <linux/cpuidle.h>
#include <linux/pci.h>
#include <asm/machdep.h>
@@ -225,16 +224,6 @@ static int __init pnv_probe(void)
return 1;
}
-void powernv_idle(void)
-{
- /* Hook to cpuidle framework if available, else
- * call on default platform idle code
- */
- if (cpuidle_idle_call()) {
- power7_idle();
- }
-}
-
define_machine(powernv) {
.name = "PowerNV",
.probe = pnv_probe,
@@ -244,7 +233,7 @@ define_machine(powernv) {
.show_cpuinfo = pnv_show_cpuinfo,
.progress = pnv_progress,
.machine_shutdown = pnv_shutdown,
- .power_save = powernv_idle,
+ .power_save = power7_idle,
.calibrate_decr = generic_calibrate_decr,
.dma_set_mask = pnv_dma_set_mask,
#ifdef CONFIG_KEXEC
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index 972df0ffd4dc..2db8cc691bf4 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -39,7 +39,6 @@
#include <linux/irq.h>
#include <linux/seq_file.h>
#include <linux/root_dev.h>
-#include <linux/cpuidle.h>
#include <linux/of.h>
#include <linux/kexec.h>
@@ -356,29 +355,24 @@ early_initcall(alloc_dispatch_log_kmem_cache);
static void pseries_lpar_idle(void)
{
- /* This would call on the cpuidle framework, and the back-end pseries
- * driver to go to idle states
+ /*
+ * Default handler to go into low thread priority and possibly
+ * low power mode by cedeing processor to hypervisor
*/
- if (cpuidle_idle_call()) {
- /* On error, execute default handler
- * to go into low thread priority and possibly
- * low power mode by cedeing processor to hypervisor
- */
- /* Indicate to hypervisor that we are idle. */
- get_lppaca()->idle = 1;
+ /* Indicate to hypervisor that we are idle. */
+ get_lppaca()->idle = 1;
- /*
- * Yield the processor to the hypervisor. We return if
- * an external interrupt occurs (which are driven prior
- * to returning here) or if a prod occurs from another
- * processor. When returning here, external interrupts
- * are enabled.
- */
- cede_processor();
+ /*
+ * Yield the processor to the hypervisor. We return if
+ * an external interrupt occurs (which are driven prior
+ * to returning here) or if a prod occurs from another
+ * processor. When returning here, external interrupts
+ * are enabled.
+ */
+ cede_processor();
- get_lppaca()->idle = 0;
- }
+ get_lppaca()->idle = 0;
}
/*
diff --git a/arch/sh/kernel/idle.c b/arch/sh/kernel/idle.c
index 2ea4483fd722..be616ee0cf87 100644
--- a/arch/sh/kernel/idle.c
+++ b/arch/sh/kernel/idle.c
@@ -16,7 +16,6 @@
#include <linux/thread_info.h>
#include <linux/irqflags.h>
#include <linux/smp.h>
-#include <linux/cpuidle.h>
#include <linux/atomic.h>
#include <asm/pgalloc.h>
#include <asm/smp.h>
@@ -40,8 +39,7 @@ void arch_cpu_idle_dead(void)
void arch_cpu_idle(void)
{
- if (cpuidle_idle_call())
- sh_idle();
+ sh_idle();
}
void __init select_idle_routine(void)
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 3fb8d95ab8b5..4505e2a950d8 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -298,10 +298,7 @@ void arch_cpu_idle_dead(void)
*/
void arch_cpu_idle(void)
{
- if (cpuidle_idle_call())
- x86_idle();
- else
- local_irq_enable();
+ x86_idle();
}
/*