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authorThomas Gleixner <tglx@linutronix.de>2012-04-20 13:05:50 +0000
committerThomas Gleixner <tglx@linutronix.de>2012-04-26 12:06:11 +0200
commit84ec6d5796e095e2f8698bd2b5d33849ed26d9e2 (patch)
tree559f3072f2d1195ef1e02171f5e6429650a80792 /arch/arm/kernel/smp.c
parent13583bf15eb1e890e03d46b6f2753e4b64af21c9 (diff)
downloadvexpress-lsk-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/smp.c')
-rw-r--r--arch/arm/kernel/smp.c26
1 files changed, 1 insertions, 25 deletions
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index f0e2cbbd837..5e86f7c4782 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)