[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: David S. Miller <davem@davemloft.net>
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@ -1,4 +1,4 @@
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# $Id: Makefile,v 1.70 2002/02/09 19:49:30 davem Exp $
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#
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# Makefile for the linux kernel.
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#
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@ -8,7 +8,7 @@ EXTRA_CFLAGS := -Werror
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extra-y := head.o init_task.o vmlinux.lds
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obj-y := process.o setup.o cpu.o idprom.o \
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traps.o auxio.o una_asm.o \
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traps.o auxio.o una_asm.o sysfs.o \
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irq.o ptrace.o time.o sys_sparc.o signal.o \
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unaligned.o central.o pci.o starfire.o semaphore.o \
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power.o sbus.o iommu_common.o sparc64_ksyms.o chmc.o \
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@ -513,22 +513,3 @@ void sun_do_break(void)
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int serial_console = -1;
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int stop_a_enabled = 1;
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static int __init topology_init(void)
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{
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int i, err;
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err = -ENOMEM;
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for_each_possible_cpu(i) {
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struct cpu *p = kzalloc(sizeof(*p), GFP_KERNEL);
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if (p) {
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register_cpu(p, i);
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err = 0;
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}
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}
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return err;
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}
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subsys_initcall(topology_init);
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26
arch/sparc64/kernel/sysfs.c
Normal file
26
arch/sparc64/kernel/sysfs.c
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@ -0,0 +1,26 @@
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/* sysfs.c: Toplogy sysfs support code for sparc64.
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*
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* Copyright (C) 2007 David S. Miller <davem@davemloft.net>
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*/
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#include <linux/sysdev.h>
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#include <linux/cpu.h>
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#include <linux/smp.h>
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#include <linux/percpu.h>
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#include <linux/init.h>
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static DEFINE_PER_CPU(struct cpu, cpu_devices);
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static int __init topology_init(void)
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{
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int cpu;
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for_each_possible_cpu(cpu) {
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struct cpu *c = &per_cpu(cpu_devices, cpu);
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register_cpu(c, cpu);
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}
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return 0;
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}
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subsys_initcall(topology_init);
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