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[S390] cpu topology support for s390.

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Add s390 backend so we can give the scheduler some hints about the
cpu topology.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
This commit is contained in:
Heiko Carstens
2008-04-17 07:46:12 +02:00
parent 7b758389a2
commit dbd70fb499
8 changed files with 297 additions and 4 deletions
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4
arch/s390/kernel/smp.c
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@ -67,9 +67,7 @@ enum s390_cpu_state {
CPU_STATE_CONFIGURED,
};
#ifdef CONFIG_HOTPLUG_CPU
static DEFINE_MUTEX(smp_cpu_state_mutex);
#endif
DEFINE_MUTEX(smp_cpu_state_mutex);
static int smp_cpu_state[NR_CPUS];
static DEFINE_PER_CPU(struct cpu, cpu_devices);