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Commit 6bba2682 authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

blackfin: 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: Mike Frysinger <vapier@gentoo.org>
Link: http://lkml.kernel.org/r/20120420124557.717064871@linutronix.de
parent a4cfc31d

arch/blackfin/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -37,6 +37,7 @@ config BLACKFIN 
	select GENERIC_IRQ_PROBE

	select IRQ_PER_CPU if SMP

	select HAVE_NMI_WATCHDOG if NMI_WATCHDOG

	select GENERIC_SMP_IDLE_THREAD



config GENERIC_CSUM

	def_bool y

arch/blackfin/mach-common/smp.c

+1 −18
Original line number Diff line number Diff line
@@ -340,27 +340,10 @@ void smp_send_stop(void) 
	return;

}



int __cpuinit __cpu_up(unsigned int cpu, struct task_struct *tidle)

int __cpuinit __cpu_up(unsigned int cpu, struct task_struct *idle)

{

	int ret;

	struct blackfin_cpudata *ci = &per_cpu(cpu_data, cpu);

	struct task_struct *idle = ci->idle;



	if (idle) {

		free_task(idle);

		idle = NULL;

	}



	if (!idle) {

		idle = fork_idle(cpu);

		if (IS_ERR(idle)) {

			printk(KERN_ERR "CPU%u: fork() failed\n", cpu);

			return PTR_ERR(idle);

		}

		ci->idle = idle;

	} else {

		init_idle(idle, cpu);

	}

	secondary_stack = task_stack_page(idle) + THREAD_SIZE;



	ret = platform_boot_secondary(cpu, idle);