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| author | Thomas Gleixner <tglx@linutronix.de> | 2012-04-20 13:05:53 +0000 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2012-04-26 12:06:11 +0200 |
| commit | a4cfc31da34eacafd9f6b16e149448bf0ef6d0b2 (patch) | |
| tree | 29bf19eabf92361a71a1bf8fdebdfb0f3f4fbcf2 | |
| parent | e80e7813cd772cf30597024b371e73df9736de8d (diff) | |
| download | op-kernel-dev-a4cfc31da34eacafd9f6b16e149448bf0ef6d0b2.zip op-kernel-dev-a4cfc31da34eacafd9f6b16e149448bf0ef6d0b2.tar.gz | |
cris: 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>
Acked-by: Jesper Nilsson <jesper.nilsson@axis.com>
Link: http://lkml.kernel.org/r/20120420124557.789657793@linutronix.de
| -rw-r--r-- | arch/cris/Kconfig | 1 | ||||
| -rw-r--r-- | arch/cris/arch-v32/kernel/smp.c | 12 |
2 files changed, 3 insertions, 10 deletions
diff --git a/arch/cris/Kconfig b/arch/cris/Kconfig index b3abfb0..2995035 100644 --- a/arch/cris/Kconfig +++ b/arch/cris/Kconfig @@ -49,6 +49,7 @@ config CRIS select HAVE_GENERIC_HARDIRQS select GENERIC_IRQ_SHOW select GENERIC_IOMAP + select GENERIC_SMP_IDLE_THREAD if ETRAX_ARCH_V32 config HZ int diff --git a/arch/cris/arch-v32/kernel/smp.c b/arch/cris/arch-v32/kernel/smp.c index 125ee2d..ebe2cb3 100644 --- a/arch/cris/arch-v32/kernel/smp.c +++ b/arch/cris/arch-v32/kernel/smp.c @@ -108,17 +108,12 @@ void __init smp_cpus_done(unsigned int max_cpus) /* Bring one cpu online.*/ static int __init -smp_boot_one_cpu(int cpuid) +smp_boot_one_cpu(int cpuid, struct task_struct idle) { unsigned timeout; - struct task_struct *idle; cpumask_t cpu_mask; cpumask_clear(&cpu_mask); - idle = fork_idle(cpuid); - if (IS_ERR(idle)) - panic("SMP: fork failed for CPU:%d", cpuid); - task_thread_info(idle)->cpu = cpuid; /* Information to the CPU that is about to boot */ @@ -142,9 +137,6 @@ smp_boot_one_cpu(int cpuid) barrier(); } - put_task_struct(idle); - idle = NULL; - printk(KERN_CRIT "SMP: CPU:%d is stuck.\n", cpuid); return -1; } @@ -209,7 +201,7 @@ unsigned long cache_decay_ticks = 1; 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; } |
