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Commit eff3414b authored by David S. Miller's avatar David S. Miller Committed by David S. Miller
Browse files

[SPARC64]: Move topology init code into new file, sysfs.c 



Also, use per-cpu data for struct cpu.  Calling kmalloc for
each cpu in topology_init() is just plain clumsy.

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 5ecd3100

arch/sparc64/kernel/Makefile

+2 −2
Original line number Diff line number Diff line 
# $Id: Makefile,v 1.70 2002/02/09 19:49:30 davem Exp $

#

# Makefile for the linux kernel.

#
@@ -8,7 +8,7 @@ EXTRA_CFLAGS := -Werror 
extra-y		:= head.o init_task.o vmlinux.lds



obj-y		:= process.o setup.o cpu.o idprom.o \

		   traps.o auxio.o una_asm.o \

		   traps.o auxio.o una_asm.o sysfs.o \

		   irq.o ptrace.o time.o sys_sparc.o signal.o \

		   unaligned.o central.o pci.o starfire.o semaphore.o \

		   power.o sbus.o iommu_common.o sparc64_ksyms.o chmc.o \

arch/sparc64/kernel/setup.c

+0 −19
Original line number Diff line number Diff line
@@ -513,22 +513,3 @@ void sun_do_break(void) 


int serial_console = -1;

int stop_a_enabled = 1;
 


static int __init topology_init(void)

{

	int i, err;



	err = -ENOMEM;



	for_each_possible_cpu(i) {

		struct cpu *p = kzalloc(sizeof(*p), GFP_KERNEL);

		if (p) {

			register_cpu(p, i);

			err = 0;

		}

	}



	return err;

}



subsys_initcall(topology_init);

arch/sparc64/kernel/sysfs.c

0 → 100644
+26 −0
Original line number Diff line number Diff line 
/* sysfs.c: Toplogy sysfs support code for sparc64.

 *

 * Copyright (C) 2007 David S. Miller <davem@davemloft.net>

 */

#include <linux/sysdev.h>

#include <linux/cpu.h>

#include <linux/smp.h>

#include <linux/percpu.h>

#include <linux/init.h>



static DEFINE_PER_CPU(struct cpu, cpu_devices);



static int __init topology_init(void)

{

	int cpu;



	for_each_possible_cpu(cpu) {

		struct cpu *c = &per_cpu(cpu_devices, cpu);



		register_cpu(c, cpu);

	}



	return 0;

}



subsys_initcall(topology_init);