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Subject[patch 16/18] alpha: Use generic idle thread allocation
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Matt Turner <mattst88@gmail.com>
---
arch/alpha/Kconfig | 1 +
arch/alpha/kernel/smp.c | 18 ++----------------
2 files changed, 3 insertions(+), 16 deletions(-)

Index: linux-2.6/arch/alpha/Kconfig
===================================================================
--- linux-2.6.orig/arch/alpha/Kconfig
+++ linux-2.6/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,
Index: linux-2.6/arch/alpha/kernel/smp.c
===================================================================
--- linux-2.6.orig/arch/alpha/kernel/smp.c
+++ linux-2.6/arch/alpha/kernel/smp.c
@@ -357,24 +357,10 @@ secondary_cpu_start(int cpuid, struct ta
* 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;
}



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