From: Krzysztof Czurylo Date: Tue, 25 Nov 2025 02:53:45 +0000 (-0600) Subject: RDMA/irdma: Fix SIGBUS in AEQ destroy X-Git-Tag: v6.18.2~191 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b0258b9ecbc0a46fa6d4bdd2b9c3b546ca13c84f;p=thirdparty%2Fkernel%2Fstable.git RDMA/irdma: Fix SIGBUS in AEQ destroy [ Upstream commit 5eff1ecce30143c3f8924d91770d81d44bd5abe5 ] 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 Signed-off-by: Sasha Levin --- diff --git a/drivers/infiniband/hw/irdma/ctrl.c b/drivers/infiniband/hw/irdma/ctrl.c index 991ce4890bfb2..cb970c9090ee0 100644 --- a/drivers/infiniband/hw/irdma/ctrl.c +++ b/drivers/infiniband/hw/irdma/ctrl.c @@ -4734,7 +4734,8 @@ 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;