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Subject[patch 15/18] sh: Use generic idle thread allocation
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/Kconfig | 1 +
arch/sh/include/asm/processor.h | 4 ----
arch/sh/kernel/smp.c | 14 +-------------
3 files changed, 2 insertions(+), 17 deletions(-)

Index: linux-2.6/arch/sh/Kconfig
===================================================================
--- linux-2.6.orig/arch/sh/Kconfig
+++ linux-2.6/arch/sh/Kconfig
@@ -28,6 +28,7 @@ config SUPERH
select RTC_LIB
select GENERIC_ATOMIC64
select GENERIC_IRQ_SHOW
+ select GENERIC_SMP_IDLE_THREAD
help
The SuperH is a RISC processor targeted for use in embedded systems
and consumer electronics; it was also used in the Sega Dreamcast
Index: linux-2.6/arch/sh/include/asm/processor.h
===================================================================
--- linux-2.6.orig/arch/sh/include/asm/processor.h
+++ linux-2.6/arch/sh/include/asm/processor.h
@@ -85,10 +85,6 @@ struct sh_cpuinfo {
struct tlb_info itlb;
struct tlb_info dtlb;

-#ifdef CONFIG_SMP
- struct task_struct *idle;
-#endif
-
unsigned int phys_bits;
unsigned long flags;
} __attribute__ ((aligned(L1_CACHE_BYTES)));
Index: linux-2.6/arch/sh/kernel/smp.c
===================================================================
--- linux-2.6.orig/arch/sh/kernel/smp.c
+++ linux-2.6/arch/sh/kernel/smp.c
@@ -220,22 +220,10 @@ extern struct {
void *thread_info;
} stack_start;

-int __cpuinit __cpu_up(unsigned int cpu, struct task_struct *tidle)
+int __cpuinit __cpu_up(unsigned int cpu, struct task_struct *tsk)
{
- struct task_struct *tsk;
unsigned long timeout;

- tsk = cpu_data[cpu].idle;
- if (!tsk) {
- tsk = fork_idle(cpu);
- if (IS_ERR(tsk)) {
- pr_err("Failed forking idle task for cpu %d\n", cpu);
- return PTR_ERR(tsk);
- }
-
- cpu_data[cpu].idle = tsk;
- }
-
per_cpu(cpu_state, cpu) = CPU_UP_PREPARE;

/* Fill in data in head.S for secondary cpus */



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