Commit-ID: ea0588cb6b201c38b0120c4ad38bc548d5dde29a
Gitweb: http://git.kernel.org/tip/ea0588cb6b201c38b0120c4ad38bc548d5dde29a
Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
AuthorDate: Fri, 20 Apr 2012 13:05:54 +0000
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Thu, 26 Apr 2012 12:06:12 +0200
sh: Use generic idle thread allocation
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Cc: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
Cc: Srivatsa S. Bhat <srivatsa.bhat@xxxxxxxxxxxxxxxxxx>
Acked-by: Paul Mundt <lethal@xxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/20120420124557.855203626@xxxxxxxxxxxxx
---
arch/sh/Kconfig | 1 +
arch/sh/include/asm/processor.h | 4 ----
arch/sh/kernel/smp.c | 14 +-------------
3 files changed, 2 insertions(+), 17 deletions(-)
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index ff9e033..244cfd0 100644
--- a/arch/sh/Kconfig
+++ b/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
diff --git a/arch/sh/include/asm/processor.h b/arch/sh/include/asm/processor.h
index a229c39..6d87912 100644
--- a/arch/sh/include/asm/processor.h
+++ b/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)));
diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c
index ebb76e2..b86e9ca 100644
--- a/arch/sh/kernel/smp.c
+++ b/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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