Commit 2ec9415c authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

alpha: Use generic idle thread allocation



Signed-off-by: default avatarThomas 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
parent ea0588cb
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+1 −0
Original line number Diff line number Diff line
@@ -15,6 +15,7 @@ config ALPHA
	select GENERIC_IRQ_SHOW
	select ARCH_WANT_OPTIONAL_GPIOLIB
	select ARCH_HAVE_NMI_SAFE_CMPXCHG
	select GENERIC_SMP_IDLE_THREAD
	help
	  The Alpha is a 64-bit general-purpose processor designed and
	  marketed by the Digital Equipment Corporation of blessed memory,
+2 −16
Original line number Diff line number Diff line
@@ -357,24 +357,10 @@ secondary_cpu_start(int cpuid, struct task_struct *idle)
 * Bring one cpu online.
 */
static int __cpuinit
smp_boot_one_cpu(int cpuid)
smp_boot_one_cpu(int cpuid, struct task_struct *idle)
{
	struct task_struct *idle;
	unsigned long timeout;

	/* Cook up an idler for this guy.  Note that the address we
	   give to kernel_thread is irrelevant -- it's going to start
	   where HWRPB.CPU_restart says to start.  But this gets all
	   the other task-y sort of data structures set up like we
	   wish.  We can't use kernel_thread since we must avoid
	   rescheduling the child.  */
	idle = fork_idle(cpuid);
	if (IS_ERR(idle))
		panic("failed fork for CPU %d", cpuid);

	DBGS(("smp_boot_one_cpu: CPU %d state 0x%lx flags 0x%lx\n",
	      cpuid, idle->state, idle->flags));

	/* Signal the secondary to wait a moment.  */
	smp_secondary_alive = -1;

@@ -489,7 +475,7 @@ smp_prepare_boot_cpu(void)
int __cpuinit
__cpu_up(unsigned int cpu, struct task_struct *tidle)
{
	smp_boot_one_cpu(cpu);
	smp_boot_one_cpu(cpu, tidle);

	return cpu_online(cpu) ? 0 : -ENOSYS;
}