mirror of https://gitee.com/openkylin/linux.git
IB/ehca: Fix improper use of yield() with spinlock held
Signed-off-by: Hoang-Nam Nguyen <hnguyen@de.ibm.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
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@ -344,8 +344,11 @@ int ehca_destroy_cq(struct ib_cq *cq)
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unsigned long flags;
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spin_lock_irqsave(&ehca_cq_idr_lock, flags);
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while (my_cq->nr_callbacks)
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while (my_cq->nr_callbacks) {
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spin_unlock_irqrestore(&ehca_cq_idr_lock, flags);
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yield();
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spin_lock_irqsave(&ehca_cq_idr_lock, flags);
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}
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idr_remove(&ehca_cq_idr, my_cq->token);
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spin_unlock_irqrestore(&ehca_cq_idr_lock, flags);
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