From patchwork Fri Sep 3 15:24:21 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nitesh Narayan Lal X-Patchwork-Id: 12474591 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4CF7FC43217 for ; Fri, 3 Sep 2021 15:25:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2D98B61131 for ; Fri, 3 Sep 2021 15:25:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349692AbhICP0m (ORCPT ); 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Fri, 3 Sep 2021 15:25:33 +0000 (UTC) Received: from virtlab512.virt.lab.eng.bos.redhat.com (virtlab512.virt.lab.eng.bos.redhat.com [10.19.152.206]) by smtp.corp.redhat.com (Postfix) with ESMTP id 87A0B69CAD; Fri, 3 Sep 2021 15:25:28 +0000 (UTC) From: Nitesh Narayan Lal To: linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-scsi@vger.kernel.org, netdev@vger.kernel.org, davem@davemloft.net, ajit.khaparde@broadcom.com, sriharsha.basavapatna@broadcom.com, somnath.kotur@broadcom.com, huangguangbin2@huawei.com, huangdaode@huawei.com, mtosatti@redhat.com, juri.lelli@redhat.com, frederic@kernel.org, abelits@marvell.com, bhelgaas@google.com, rostedt@goodmis.org, peterz@infradead.org Cc: nilal@redhat.com, jesse.brandeburg@intel.com, robin.murphy@arm.com, mingo@kernel.org, jbrandeb@kernel.org, akpm@linuxfoundation.org, sfr@canb.auug.org.au, stephen@networkplumber.org, rppt@linux.vnet.ibm.com, chris.friesen@windriver.com, maz@kernel.org, nhorman@tuxdriver.com, pjwaskiewicz@gmail.com, sassmann@redhat.com, thenzl@redhat.com, james.smart@broadcom.com, dick.kennedy@broadcom.com, jkc@redhat.com, faisal.latif@intel.com, shiraz.saleem@intel.com, tariqt@nvidia.com, ahleihel@redhat.com, kheib@redhat.com, borisp@nvidia.com, saeedm@nvidia.com, tatyana.e.nikolova@intel.com, mustafa.ismail@intel.com, ahs3@redhat.com, leonro@nvidia.com, chandrakanth.patil@broadcom.com, bjorn.andersson@linaro.org, chunkuang.hu@kernel.org, yongqiang.niu@mediatek.com, baolin.wang7@gmail.com, poros@redhat.com, minlei@redhat.com, emilne@redhat.com, jejb@linux.ibm.com, martin.petersen@oracle.com, kabel@kernel.org, viresh.kumar@linaro.org, kuba@kernel.org, kashyap.desai@broadcom.com, sumit.saxena@broadcom.com, shivasharan.srikanteshwara@broadcom.com, sathya.prakash@broadcom.com, sreekanth.reddy@broadcom.com, suganath-prabu.subramani@broadcom.com, tglx@linutronix.de, ley.foon.tan@intel.com, jbrunet@baylibre.com, johannes@sipsolutions.net, snelson@pensando.io, lewis.hanly@microchip.com, benve@cisco.com, _govind@gmx.com, jassisinghbrar@gmail.com Subject: [PATCH v6 05/14] scsi: mpt3sas: Use irq_set_affinity_and_hint Date: Fri, 3 Sep 2021 11:24:21 -0400 Message-Id: <20210903152430.244937-6-nitesh@redhat.com> In-Reply-To: <20210903152430.244937-1-nitesh@redhat.com> References: <20210903152430.244937-1-nitesh@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org The driver uses irq_set_affinity_hint() specifically for the high IOPS queue interrupts for two purposes: - To set the affinity_hint which is consumed by the userspace for distributing the interrupts - To apply an affinity that it provides The driver enforces its own affinity to bind the high IOPS queue interrupts to the local NUMA node. However, irq_set_affinity_hint() applying the provided cpumask as an affinity (if not NULL) for the interrupt is an undocumented side effect. To remove this side effect irq_set_affinity_hint() has been marked as deprecated and new interfaces have been introduced. Hence, replace the irq_set_affinity_hint() with the new interface irq_set_affinity_and_hint() where the provided mask needs to be applied as the affinity and affinity_hint pointer needs to be set and replace with irq_update_affinity_hint() where only affinity_hint needs to be updated. Signed-off-by: Nitesh Narayan Lal Reviewed-by: Sreekanth Reddy --- drivers/scsi/mpt3sas/mpt3sas_base.c | 21 ++++++++++----------- 1 file changed, 10 insertions(+), 11 deletions(-) diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index 6c82435bc9cc..48b826b3414f 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -3084,6 +3084,7 @@ _base_check_enable_msix(struct MPT3SAS_ADAPTER *ioc) void mpt3sas_base_free_irq(struct MPT3SAS_ADAPTER *ioc) { + unsigned int irq; struct adapter_reply_queue *reply_q, *next; if (list_empty(&ioc->reply_queue_list)) @@ -3096,9 +3097,10 @@ mpt3sas_base_free_irq(struct MPT3SAS_ADAPTER *ioc) continue; } - if (ioc->smp_affinity_enable) - irq_set_affinity_hint(pci_irq_vector(ioc->pdev, - reply_q->msix_index), NULL); + if (ioc->smp_affinity_enable) { + irq = pci_irq_vector(ioc->pdev, reply_q->msix_index); + irq_update_affinity_hint(irq, NULL); + } free_irq(pci_irq_vector(ioc->pdev, reply_q->msix_index), reply_q); kfree(reply_q); @@ -3165,18 +3167,15 @@ _base_request_irq(struct MPT3SAS_ADAPTER *ioc, u8 index) * @ioc: per adapter object * * The enduser would need to set the affinity via /proc/irq/#/smp_affinity - * - * It would nice if we could call irq_set_affinity, however it is not - * an exported symbol */ static void _base_assign_reply_queues(struct MPT3SAS_ADAPTER *ioc) { - unsigned int cpu, nr_cpus, nr_msix, index = 0; + unsigned int cpu, nr_cpus, nr_msix, index = 0, irq; struct adapter_reply_queue *reply_q; - int local_numa_node; int iopoll_q_count = ioc->reply_queue_count - ioc->iopoll_q_start_index; + const struct cpumask *mask; if (!_base_is_controller_msix_enabled(ioc)) return; @@ -3199,11 +3198,11 @@ _base_assign_reply_queues(struct MPT3SAS_ADAPTER *ioc) * corresponding to high iops queues. */ if (ioc->high_iops_queues) { - local_numa_node = dev_to_node(&ioc->pdev->dev); + mask = cpumask_of_node(dev_to_node(&ioc->pdev->dev)); for (index = 0; index < ioc->high_iops_queues; index++) { - irq_set_affinity_hint(pci_irq_vector(ioc->pdev, - index), cpumask_of_node(local_numa_node)); + irq = pci_irq_vector(ioc->pdev, index); + irq_set_affinity_and_hint(irq, mask); } }