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[MIPS] Do topology_init even on uniprocessor kernels.

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Otherwise CPU 0 doesn't show up in sysfs which breaks some software.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle
2006-11-29 15:04:08 +00:00
parent 1275361c40
commit f5d6c63a67
3 changed files with 30 additions and 24 deletions
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2
arch/mips/kernel/Makefile
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@@ -6,7 +6,7 @@ extra-y := head.o init_task.o vmlinux.lds
obj-y += cpu-probe.o branch.o entry.o genex.o irq.o process.o \ obj-y += cpu-probe.o branch.o entry.o genex.o irq.o process.o \
ptrace.o reset.o semaphore.o setup.o signal.o syscall.o \ ptrace.o reset.o semaphore.o setup.o signal.o syscall.o \
time.o traps.o unaligned.o time.o topology.o traps.o unaligned.o
binfmt_irix-objs := irixelf.o irixinv.o irixioctl.o irixsig.o \ binfmt_irix-objs := irixelf.o irixinv.o irixioctl.o irixsig.o \
irix5sys.o sysirix.o irix5sys.o sysirix.o

23
arch/mips/kernel/smp.c
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@@ -463,28 +463,5 @@ void flush_tlb_one(unsigned long vaddr)
smp_on_each_tlb(flush_tlb_one_ipi, (void *) vaddr); smp_on_each_tlb(flush_tlb_one_ipi, (void *) vaddr);
} }
static DEFINE_PER_CPU(struct cpu, cpu_devices);
static int __init topology_init(void)
{
int i, ret;
#ifdef CONFIG_NUMA
for_each_online_node(i)
register_one_node(i);
#endif /* CONFIG_NUMA */
for_each_present_cpu(i) {
ret = register_cpu(&per_cpu(cpu_devices, i), i);
if (ret)
printk(KERN_WARNING "topology_init: register_cpu %d "
"failed (%d)\n", i, ret);
}
return 0;
}
subsys_initcall(topology_init);
EXPORT_SYMBOL(flush_tlb_page); EXPORT_SYMBOL(flush_tlb_page);
EXPORT_SYMBOL(flush_tlb_one); EXPORT_SYMBOL(flush_tlb_one);

29
arch/mips/kernel/topology.c Normal file
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@@ -0,0 +1,29 @@
#include <linux/cpu.h>
#include <linux/cpumask.h>
#include <linux/init.h>
#include <linux/node.h>
#include <linux/nodemask.h>
#include <linux/percpu.h>
static DEFINE_PER_CPU(struct cpu, cpu_devices);
static int __init topology_init(void)
{
int i, ret;
#ifdef CONFIG_NUMA
for_each_online_node(i)
register_one_node(i);
#endif /* CONFIG_NUMA */
for_each_present_cpu(i) {
ret = register_cpu(&per_cpu(cpu_devices, i), i);
if (ret)
printk(KERN_WARNING "topology_init: register_cpu %d "
"failed (%d)\n", i, ret);
}
return 0;
}
subsys_initcall(topology_init);