From 5eff1ecce30143c3f8924d91770d81d44bd5abe5 Mon Sep 17 00:00:00 2001 From: Krzysztof Czurylo Date: Mon, 24 Nov 2025 20:53:45 -0600 Subject: [PATCH] RDMA/irdma: Fix SIGBUS in AEQ destroy Removes write to IRDMA_PFINT_AEQCTL register prior to destroying AEQ, as this register does not exist in GEN3+ hardware and this kind of IRQ configuration is no longer required. Fixes: b800e82feba7 ("RDMA/irdma: Add GEN3 support for AEQ and CEQ") Signed-off-by: Krzysztof Czurylo Signed-off-by: Tatyana Nikolova Link: https://patch.msgid.link/20251125025350.180-5-tatyana.e.nikolova@intel.com Signed-off-by: Leon Romanovsky --- drivers/infiniband/hw/irdma/ctrl.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/irdma/ctrl.c b/drivers/infiniband/hw/irdma/ctrl.c index c17b1c14dfe2c..ce5cf89c463c1 100644 --- a/drivers/infiniband/hw/irdma/ctrl.c +++ b/drivers/infiniband/hw/irdma/ctrl.c @@ -4635,7 +4635,8 @@ static int irdma_sc_aeq_destroy(struct irdma_sc_aeq *aeq, u64 scratch, u64 hdr; dev = aeq->dev; - if (dev->privileged) + + if (dev->hw_attrs.uk_attrs.hw_rev <= IRDMA_GEN_2) writel(0, dev->hw_regs[IRDMA_PFINT_AEQCTL]); cqp = dev->cqp; -- 2.47.3