6.6-stable review patch. If anyone has any objections, please let me know.
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From: Mustafa Ismail mustafa.ismail@intel.com
[ 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@intel.com Signed-off-by: Shiraz Saleem shiraz.saleem@intel.com Signed-off-by: Sindhu Devale sindhu.devale@intel.com Link: https://lore.kernel.org/r/20240131233849.400285-4-sindhu.devale@intel.com Signed-off-by: Leon Romanovsky leon@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/infiniband/hw/irdma/verbs.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/infiniband/hw/irdma/verbs.c b/drivers/infiniband/hw/irdma/verbs.c index d9750901c5990..60618b2046b97 100644 --- a/drivers/infiniband/hw/irdma/verbs.c +++ b/drivers/infiniband/hw/irdma/verbs.c @@ -2186,9 +2186,8 @@ 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");