Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ce29d72cc737df3573854a4719f00385adf1c9a6
Commit: ce29d72cc737df3573854a4719f00385adf1c9a6
Parent: a20f3a6d7e67a8aee571fb04634a631ba59f6e92
Author: Hoang-Nam Nguyen <[EMAIL PROTECTED]>
AuthorDate: Fri Jan 19 22:50:10 2007 +0100
Committer: Roland Dreier <[EMAIL PROTECTED]>
CommitDate: Mon Jan 22 17:03:55 2007 -0800
IB/ehca: Fix improper use of yield() with spinlock held
Signed-off-by: Hoang-Nam Nguyen <[EMAIL PROTECTED]>
Signed-off-by: Roland Dreier <[EMAIL PROTECTED]>
---
drivers/infiniband/hw/ehca/ehca_cq.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
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);
-
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