diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2012-04-20 13:05:53 +0000 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2012-04-26 12:06:12 +0200 |
| commit | 6bba2682c62e432eaf7b82f8ca182e8c73256e74 (patch) | |
| tree | fc1a7072fb114e3a48bbfb7ffd894791f861208e | |
| parent | a4cfc31da34eacafd9f6b16e149448bf0ef6d0b2 (diff) | |
blackfin: 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: Mike Frysinger <vapier@gentoo.org>
Link: http://lkml.kernel.org/r/20120420124557.717064871@linutronix.de
| -rw-r--r-- | arch/blackfin/Kconfig | 1 | ||||
| -rw-r--r-- | arch/blackfin/mach-common/smp.c | 19 |
2 files changed, 2 insertions, 18 deletions
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig index 373a6902d8f..779b9c846fd 100644 --- a/arch/blackfin/Kconfig +++ b/arch/blackfin/Kconfig @@ -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 diff --git a/arch/blackfin/mach-common/smp.c b/arch/blackfin/mach-common/smp.c index d0cddd95b0d..00bbe672b3b 100644 --- a/arch/blackfin/mach-common/smp.c +++ b/arch/blackfin/mach-common/smp.c @@ -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); |