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authorThomas Gleixner <tglx@linutronix.de>2012-04-20 13:05:54 +0000
committerThomas Gleixner <tglx@linutronix.de>2012-04-26 12:06:12 +0200
commitea0588cb6b201c38b0120c4ad38bc548d5dde29a (patch)
tree9debf340ff58725e4d5b7c0f6bd7283d35cc125c /arch
parent6bba2682c62e432eaf7b82f8ca182e8c73256e74 (diff)
downloadlinux-ea0588cb6b201c38b0120c4ad38bc548d5dde29a.tar.bz2
sh: Use generic idle thread allocation
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com> Acked-by: Paul Mundt <lethal@linux-sh.org> Link: http://lkml.kernel.org/r/20120420124557.855203626@linutronix.de
Diffstat (limited to 'arch')
-rw-r--r--arch/sh/Kconfig1
-rw-r--r--arch/sh/include/asm/processor.h4
-rw-r--r--arch/sh/kernel/smp.c14
3 files changed, 2 insertions, 17 deletions
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index ff9e033ce626..244cfd0dbb7b 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 a229c393826a..6d87912415a7 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 ebb76e2a748b..b86e9ca79455 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 */