From ce29d72cc737df3573854a4719f00385adf1c9a6 Mon Sep 17 00:00:00 2001 From: Hoang-Nam Nguyen Date: Fri, 19 Jan 2007 22:50:10 +0100 Subject: [PATCH] IB/ehca: Fix improper use of yield() with spinlock held Signed-off-by: Hoang-Nam Nguyen Signed-off-by: Roland Dreier --- drivers/infiniband/hw/ehca/ehca_cq.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/ehca/ehca_cq.c b/drivers/infiniband/hw/ehca/ehca_cq.c index 93995b658d94..6074c897f51c 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); -- GitLab