This is a note to let you know that I've just added the patch titled
RDMA/cxgb4: Always wake up waiters in c4iw_peer_abort_intr()
to the 3.3-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
rdma-cxgb4-always-wake-up-waiters-in-c4iw_peer_abort_intr.patch
and it can be found in the queue-3.3 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 0f1dcfae6bc5563424346ad3a03282b8235a4c33 Mon Sep 17 00:00:00 2001
From: Steve Wise <[email protected]>
Date: Fri, 27 Apr 2012 09:59:16 -0500
Subject: RDMA/cxgb4: Always wake up waiters in c4iw_peer_abort_intr()
From: Steve Wise <[email protected]>
commit 0f1dcfae6bc5563424346ad3a03282b8235a4c33 upstream.
This fixes a race where an ingress abort fails to wake up the thread
blocked in rdma_init() causing the app to hang.
Signed-off-by: Steve Wise <[email protected]>
Signed-off-by: Roland Dreier <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/infiniband/hw/cxgb4/cm.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -2665,11 +2665,8 @@ static int peer_abort_intr(struct c4iw_d
/*
* Wake up any threads in rdma_init() or rdma_fini().
- * However, this is not needed if com state is just
- * MPA_REQ_SENT
*/
- if (ep->com.state != MPA_REQ_SENT)
- c4iw_wake_up(&ep->com.wr_wait, -ECONNRESET);
+ c4iw_wake_up(&ep->com.wr_wait, -ECONNRESET);
sched(dev, skb);
return 0;
}
Patches currently in stable-queue which might be from
[email protected] are
queue-3.3/rdma-cxgb4-always-wake-up-waiters-in-c4iw_peer_abort_intr.patch
queue-3.3/rdma-cxgb4-drop-peer_abort-when-no-endpoint-found.patch
queue-3.3/rdma-cxgb4-use-dst-parameter-in-import_ep.patch
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