forked from Minki/linux
sched/topology: Verify the first group matches the child domain
We want sched_groups to be sibling child domains (or individual CPUs when there are no child domains). Furthermore, since the first group of a domain should include the CPU of that domain, the first group of each domain should match the child domain. Verify this is indeed so. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
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@ -93,6 +93,12 @@ static int sched_domain_debug_one(struct sched_domain *sd, int cpu, int level,
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group->sgc->capacity);
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}
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if (group == sd->groups && sd->child &&
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!cpumask_equal(sched_domain_span(sd->child),
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sched_group_cpus(group))) {
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printk(KERN_ERR "ERROR: domain->groups does not match domain->child\n");
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}
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group = group->next;
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if (group != sd->groups)
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