alpha: 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: Matt Turner <mattst88@gmail.com> Link: http://lkml.kernel.org/r/20120420124557.914631081@linutronix.de
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@ -15,6 +15,7 @@ config ALPHA
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select GENERIC_IRQ_SHOW
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select GENERIC_IRQ_SHOW
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select ARCH_WANT_OPTIONAL_GPIOLIB
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select ARCH_WANT_OPTIONAL_GPIOLIB
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select ARCH_HAVE_NMI_SAFE_CMPXCHG
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select ARCH_HAVE_NMI_SAFE_CMPXCHG
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select GENERIC_SMP_IDLE_THREAD
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help
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help
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The Alpha is a 64-bit general-purpose processor designed and
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The Alpha is a 64-bit general-purpose processor designed and
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marketed by the Digital Equipment Corporation of blessed memory,
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marketed by the Digital Equipment Corporation of blessed memory,
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@ -357,24 +357,10 @@ secondary_cpu_start(int cpuid, struct task_struct *idle)
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* Bring one cpu online.
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* Bring one cpu online.
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*/
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*/
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static int __cpuinit
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static int __cpuinit
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smp_boot_one_cpu(int cpuid)
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smp_boot_one_cpu(int cpuid, struct task_struct *idle)
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{
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{
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struct task_struct *idle;
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unsigned long timeout;
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unsigned long timeout;
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/* Cook up an idler for this guy. Note that the address we
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give to kernel_thread is irrelevant -- it's going to start
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where HWRPB.CPU_restart says to start. But this gets all
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the other task-y sort of data structures set up like we
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wish. We can't use kernel_thread since we must avoid
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rescheduling the child. */
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idle = fork_idle(cpuid);
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if (IS_ERR(idle))
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panic("failed fork for CPU %d", cpuid);
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DBGS(("smp_boot_one_cpu: CPU %d state 0x%lx flags 0x%lx\n",
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cpuid, idle->state, idle->flags));
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/* Signal the secondary to wait a moment. */
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/* Signal the secondary to wait a moment. */
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smp_secondary_alive = -1;
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smp_secondary_alive = -1;
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@ -489,7 +475,7 @@ smp_prepare_boot_cpu(void)
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int __cpuinit
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int __cpuinit
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__cpu_up(unsigned int cpu, struct task_struct *tidle)
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__cpu_up(unsigned int cpu, struct task_struct *tidle)
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{
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{
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smp_boot_one_cpu(cpu);
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smp_boot_one_cpu(cpu, tidle);
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return cpu_online(cpu) ? 0 : -ENOSYS;
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return cpu_online(cpu) ? 0 : -ENOSYS;
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}
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}
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