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| author | Thomas Gleixner <tglx@linutronix.de> | 2012-04-20 13:05:50 +0000 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2012-04-26 12:06:11 +0200 |
| commit | 84ec6d5796e095e2f8698bd2b5d33849ed26d9e2 (patch) | |
| tree | 559f3072f2d1195ef1e02171f5e6429650a80792 /arch/arm/kernel | |
| parent | 13583bf15eb1e890e03d46b6f2753e4b64af21c9 (diff) | |
| download | op-kernel-dev-84ec6d5796e095e2f8698bd2b5d33849ed26d9e2.zip op-kernel-dev-84ec6d5796e095e2f8698bd2b5d33849ed26d9e2.tar.gz | |
arm: 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>
Cc: Russell King <linux@arm.linux.org.uk>
Tested-by: Frank Rowand <frank.rowand@am.sony.com>
Link: http://lkml.kernel.org/r/20120420124557.448826362@linutronix.de
Diffstat (limited to 'arch/arm/kernel')
| -rw-r--r-- | arch/arm/kernel/smp.c | 26 |
1 files changed, 1 insertions, 25 deletions
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index f0e2cbb..5e86f7c 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -60,32 +60,11 @@ enum ipi_msg_type { static DECLARE_COMPLETION(cpu_running); -int __cpuinit __cpu_up(unsigned int cpu, struct task_struct *tidle) +int __cpuinit __cpu_up(unsigned int cpu, struct task_struct *idle) { - struct cpuinfo_arm *ci = &per_cpu(cpu_data, cpu); - struct task_struct *idle = ci->idle; int ret; /* - * Spawn a new process manually, if not already done. - * Grab a pointer to its task struct so we can mess with it - */ - if (!idle) { - idle = fork_idle(cpu); - if (IS_ERR(idle)) { - printk(KERN_ERR "CPU%u: fork() failed\n", cpu); - return PTR_ERR(idle); - } - ci->idle = idle; - } else { - /* - * Since this idle thread is being re-used, call - * init_idle() to reinitialize the thread structure. - */ - init_idle(idle, cpu); - } - - /* * We need to tell the secondary core where to find * its stack and the page tables. */ @@ -318,9 +297,6 @@ void __init smp_cpus_done(unsigned int max_cpus) void __init smp_prepare_boot_cpu(void) { - unsigned int cpu = smp_processor_id(); - - per_cpu(cpu_data, cpu).idle = current; } void __init smp_prepare_cpus(unsigned int max_cpus) |
