Messages in this thread Patch in this message | | | From | Hoang-Nam Nguyen <> | Subject | [PATCH 2.6.20 1/2] ehca: ehca_cq.c: fix unproper use of yield within spinlock context | Date | Fri, 19 Jan 2007 22:50:10 +0100 |
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Hello Roland! This is a patch for ehca_cq.c that fixes unproper use of yield within spinlock context. Thanks Nam
Signed-off-by Hoang-Nam Nguyen <hnguyen@de.ibm.com> ---
ehca_cq.c | 5 ++++- 1 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/ehca/ehca_cq.c b/drivers/infiniband/hw/ehca/ehca_cq.c index 93995b6..6074c89 100644 --- a/drivers/infiniband/hw/ehca/ehca_cq.c +++ b/drivers/infiniband/hw/ehca/ehca_cq.c @@ -344,8 +344,11 @@ int ehca_destroy_cq(struct ib_cq *cq) unsigned long flags; spin_lock_irqsave(&ehca_cq_idr_lock, flags); - while (my_cq->nr_callbacks) + while (my_cq->nr_callbacks) { + spin_unlock_irqrestore(&ehca_cq_idr_lock, flags); yield(); + spin_lock_irqsave(&ehca_cq_idr_lock, flags); + } idr_remove(&ehca_cq_idr, my_cq->token); spin_unlock_irqrestore(&ehca_cq_idr_lock, flags); - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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