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| author | Thomas Gleixner <tglx@linutronix.de> | 2012-04-20 13:05:55 +0000 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2012-04-26 12:06:12 +0200 |
| commit | 2ec9415c71a1ddad969602e690a9c848b81256b3 (patch) | |
| tree | 0d37d23337811c761effdac1217809175fb2e89d | |
| parent | ea0588cb6b201c38b0120c4ad38bc548d5dde29a (diff) | |
| download | op-kernel-dev-2ec9415c71a1ddad969602e690a9c848b81256b3.zip op-kernel-dev-2ec9415c71a1ddad969602e690a9c848b81256b3.tar.gz | |
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
| -rw-r--r-- | arch/alpha/Kconfig | 1 | ||||
| -rw-r--r-- | arch/alpha/kernel/smp.c | 18 |
2 files changed, 3 insertions, 16 deletions
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig index 56a4df9..991b8bb 100644 --- a/arch/alpha/Kconfig +++ b/arch/alpha/Kconfig @@ -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, diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c index 68d3947..35ddc02 100644 --- a/arch/alpha/kernel/smp.c +++ b/arch/alpha/kernel/smp.c @@ -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; } |
