From ea0588cb6b201c38b0120c4ad38bc548d5dde29a Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Fri, 20 Apr 2012 13:05:54 +0000 Subject: sh: Use generic idle thread allocation Signed-off-by: Thomas Gleixner Cc: Peter Zijlstra Cc: Rusty Russell Cc: Paul E. McKenney Cc: Srivatsa S. Bhat Acked-by: Paul Mundt Link: http://lkml.kernel.org/r/20120420124557.855203626@linutronix.de --- 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 */ -- cgit v1.1