sparc: 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>
Tested-by: David S. Miller <davem@davemloft.net>
Link: http://lkml.kernel.org/r/20120420124558.055198736@linutronix.de
diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c
index 2f9948c..f591598 100644
--- a/arch/sparc/kernel/smp_64.c
+++ b/arch/sparc/kernel/smp_64.c
@@ -343,21 +343,17 @@
*/
static struct thread_info *cpu_new_thread = NULL;
-static int __cpuinit smp_boot_one_cpu(unsigned int cpu)
+static int __cpuinit smp_boot_one_cpu(unsigned int cpu, struct task_struct *idle)
{
unsigned long entry =
(unsigned long)(&sparc64_cpu_startup);
unsigned long cookie =
(unsigned long)(&cpu_new_thread);
- struct task_struct *p;
void *descr = NULL;
int timeout, ret;
- p = fork_idle(cpu);
- if (IS_ERR(p))
- return PTR_ERR(p);
callin_flag = 0;
- cpu_new_thread = task_thread_info(p);
+ cpu_new_thread = task_thread_info(idle);
if (tlb_type == hypervisor) {
#if defined(CONFIG_SUN_LDOMS) && defined(CONFIG_HOTPLUG_CPU)
@@ -1229,7 +1225,7 @@
int __cpuinit __cpu_up(unsigned int cpu, struct task_struct *tidle)
{
- int ret = smp_boot_one_cpu(cpu);
+ int ret = smp_boot_one_cpu(cpu, tidle);
if (!ret) {
cpumask_set_cpu(cpu, &smp_commenced_mask);