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x86: Use generic idle thread allocation

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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: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: x86@kernel.org
Link: http://lkml.kernel.org/r/20120420124557.246929343@linutronix.de
This commit is contained in:
Thomas Gleixner
2012-04-20 13:05:48 +00:00
parent 5cdaf1834f
commit 7eb43a6d23
4 changed files with 14 additions and 84 deletions
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15
arch/x86/xen/smp.c
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@@ -250,18 +250,8 @@ static void __init xen_smp_prepare_cpus(unsigned int max_cpus)
set_cpu_possible(cpu, false);
}
for_each_possible_cpu (cpu) {
struct task_struct *idle;
if (cpu == 0)
continue;
idle = fork_idle(cpu);
if (IS_ERR(idle))
panic("failed fork for CPU %d", cpu);
for_each_possible_cpu(cpu)
set_cpu_present(cpu, true);
}
}
static int __cpuinit
@@ -331,9 +321,8 @@ cpu_initialize_context(unsigned int cpu, struct task_struct *idle)
return 0;
}
static int __cpuinit xen_cpu_up(unsigned int cpu, struct task_struct *tidle)
static int __cpuinit xen_cpu_up(unsigned int cpu, struct task_struct *idle)
{
struct task_struct *idle = idle_task(cpu);
int rc;
per_cpu(current_task, cpu) = idle;