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Commit 1e35aaba authored by Rojhalat Ibrahim's avatar Rojhalat Ibrahim Committed by Ralf Baechle
Browse files

[MIPS] Add topology_init. 


    
A recent patch introduced cpu topology in sysfs.  When you run a kernel
with SMP and sysfs enabled, you now get an Oops on boot. The following
patch fixes that by adding topology_init to arch/mips/kernel/smp.c. The
code is copied from arch/s390/kernel/smp.c.
    
Signed-off-by: default avatarRojhalat Ibrahim <imr@rtschenk.de>
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 76e1daee

arch/mips/kernel/smp.c

+20 −0
Original line number Diff line number Diff line
@@ -29,6 +29,7 @@ 
#include <linux/timex.h>

#include <linux/sched.h>

#include <linux/cpumask.h>

#include <linux/cpu.h>



#include <asm/atomic.h>

#include <asm/cpu.h>
@@ -424,6 +425,25 @@ void flush_tlb_one(unsigned long vaddr) 
	local_flush_tlb_one(vaddr);

}



static DEFINE_PER_CPU(struct cpu, cpu_devices);



static int __init topology_init(void)

{

	int cpu;

	int ret;



	for_each_cpu(cpu) {

		ret = register_cpu(&per_cpu(cpu_devices, cpu), cpu, NULL);

		if (ret)

			printk(KERN_WARNING "topology_init: register_cpu %d "

			       "failed (%d)\n", cpu, ret);

	}



	return 0;

}



subsys_initcall(topology_init);



EXPORT_SYMBOL(flush_tlb_page);

EXPORT_SYMBOL(flush_tlb_one);

EXPORT_SYMBOL(cpu_data);