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Tue, 13 Jul 2021 17:16:31 -0400 X-MC-Unique: ys8ylmE3MTCVTijAEoGmEQ-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id A49C118414A0; Tue, 13 Jul 2021 21:16:26 +0000 (UTC) Received: from virtlab719.virt.lab.eng.bos.redhat.com (virtlab719.virt.lab.eng.bos.redhat.com [10.19.153.15]) by smtp.corp.redhat.com (Postfix) with ESMTP id D15CE5D9DD; Tue, 13 Jul 2021 21:16:22 +0000 (UTC) From: Nitesh Narayan Lal To: linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org, linux-api@vger.kernel.org, linux-pci@vger.kernel.org, tglx@linutronix.de, jesse.brandeburg@intel.com, robin.murphy@arm.com, mtosatti@redhat.com, mingo@kernel.org, jbrandeb@kernel.org, frederic@kernel.org, juri.lelli@redhat.com, abelits@marvell.com, bhelgaas@google.com, rostedt@goodmis.org, peterz@infradead.org, davem@davemloft.net, akpm@linux-foundation.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, 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, 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, benve@cisco.com, govind@gmx.com, jassisinghbrar@gmail.com, ajit.khaparde@broadcom.com, sriharsha.basavapatna@broadcom.com, somnath.kotur@broadcom.com, nilal@redhat.com, tatyana.e.nikolova@intel.com, mustafa.ismail@intel.com, ahs3@redhat.com, leonro@nvidia.com, chandrakanth.patil@broadcom.com Date: Tue, 13 Jul 2021 17:14:57 -0400 Message-Id: <20210713211502.464259-10-nitesh@redhat.com> In-Reply-To: <20210713211502.464259-1-nitesh@redhat.com> References: <20210713211502.464259-1-nitesh@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Mailman-Approved-At: Tue, 13 Jul 2021 21:16:57 +0000 Subject: [Intel-wired-lan] [PATCH v3 09/14] ixgbe: Use irq_update_affinity_hint X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" The driver uses irq_set_affinity_hint() to update the affinity_hint mask that is consumed by the userspace to distribute the interrupts. However, under the hood irq_set_affinity_hint() also applies the provided cpumask (if not NULL) as the affinity for the given interrupt which 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_update_affinity_hint() that only updates the affinity_hint pointer. Signed-off-by: Nitesh Narayan Lal Acked-by: Jesse Brandeburg --- drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index ffff69efd78a..448a0d6346b1 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -3241,8 +3241,8 @@ static int ixgbe_request_msix_irqs(struct ixgbe_adapter *adapter) /* If Flow Director is enabled, set interrupt affinity */ if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE) { /* assign the mask for this irq */ - irq_set_affinity_hint(entry->vector, - &q_vector->affinity_mask); + irq_update_affinity_hint(entry->vector, + &q_vector->affinity_mask); } } @@ -3258,8 +3258,8 @@ static int ixgbe_request_msix_irqs(struct ixgbe_adapter *adapter) free_queue_irqs: while (vector) { vector--; - irq_set_affinity_hint(adapter->msix_entries[vector].vector, - NULL); + irq_update_affinity_hint(adapter->msix_entries[vector].vector, + NULL); free_irq(adapter->msix_entries[vector].vector, adapter->q_vector[vector]); } @@ -3392,7 +3392,7 @@ static void ixgbe_free_irq(struct ixgbe_adapter *adapter) continue; /* clear the affinity_mask in the IRQ descriptor */ - irq_set_affinity_hint(entry->vector, NULL); + irq_update_affinity_hint(entry->vector, NULL); free_irq(entry->vector, q_vector); }