Patch "RDMA/irdma: Set the CQ read threshold for GEN 1" has been added to the 5.15-stable tree

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This is a note to let you know that I've just added the patch titled

    RDMA/irdma: Set the CQ read threshold for GEN 1

to the 5.15-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-irdma-set-the-cq-read-threshold-for-gen-1.patch
and it can be found in the queue-5.15 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 1b570be7c5c105c4830026c8468baabea9d356f5
Author: Mustafa Ismail <mustafa.ismail@xxxxxxxxx>
Date:   Wed Jan 31 17:38:48 2024 -0600

    RDMA/irdma: Set the CQ read threshold for GEN 1
    
    [ Upstream commit 666047f3ece9f991774c1fe9b223139a9ef8908d ]
    
    The CQ shadow read threshold is currently not set for GEN 2.  This could
    cause an invalid CQ overflow condition, so remove the GEN check that
    exclused GEN 1.
    
    Fixes: b48c24c2d710 ("RDMA/irdma: Implement device supported verb APIs")
    Signed-off-by: Mustafa Ismail <mustafa.ismail@xxxxxxxxx>
    Signed-off-by: Shiraz Saleem <shiraz.saleem@xxxxxxxxx>
    Signed-off-by: Sindhu Devale <sindhu.devale@xxxxxxxxx>
    Link: https://lore.kernel.org/r/20240131233849.400285-4-sindhu.devale@xxxxxxxxx
    Signed-off-by: Leon Romanovsky <leon@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/infiniband/hw/irdma/verbs.c b/drivers/infiniband/hw/irdma/verbs.c
index c15af65cba333..d43833e141a02 100644
--- a/drivers/infiniband/hw/irdma/verbs.c
+++ b/drivers/infiniband/hw/irdma/verbs.c
@@ -2076,9 +2076,8 @@ static int irdma_create_cq(struct ib_cq *ibcq,
 		info.cq_base_pa = iwcq->kmem.pa;
 	}
 
-	if (dev->hw_attrs.uk_attrs.hw_rev >= IRDMA_GEN_2)
-		info.shadow_read_threshold = min(info.cq_uk_init_info.cq_size / 2,
-						 (u32)IRDMA_MAX_CQ_READ_THRESH);
+	info.shadow_read_threshold = min(info.cq_uk_init_info.cq_size / 2,
+					 (u32)IRDMA_MAX_CQ_READ_THRESH);
 
 	if (irdma_sc_cq_init(cq, &info)) {
 		ibdev_dbg(&iwdev->ibdev, "VERBS: init cq fail\n");




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