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| author | Thomas Gleixner <tglx@linutronix.de> | 2012-04-20 15:05:48 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2012-04-26 12:06:10 +0200 |
| commit | 7eb43a6d232bfa46464b501cd1987ec2d705d8cf (patch) | |
| tree | 38758c752b1f8839e3cc5b317b41ba39e392a9f8 /arch/x86/xen/smp.c | |
| parent | x86: Add task_struct argument to smp_ops.cpu_up (diff) | |
| download | linux-7eb43a6d232bfa46464b501cd1987ec2d705d8cf.tar.xz linux-7eb43a6d232bfa46464b501cd1987ec2d705d8cf.zip | |
x86: 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: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: x86@kernel.org
Link: http://lkml.kernel.org/r/20120420124557.246929343@linutronix.de
Diffstat (limited to 'arch/x86/xen/smp.c')
| -rw-r--r-- | arch/x86/xen/smp.c | 15 |
1 files changed, 2 insertions, 13 deletions
diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c index 64d3bbce0b36..8f44cc1a9291 100644 --- a/arch/x86/xen/smp.c +++ b/arch/x86/xen/smp.c @@ -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; |