From nobody Sat Apr 11 03:55:18 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 89B2CC25B0E for ; Tue, 16 Aug 2022 18:08:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236919AbiHPSIg (ORCPT ); Tue, 16 Aug 2022 14:08:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38626 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236914AbiHPSH4 (ORCPT ); Tue, 16 Aug 2022 14:07:56 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4FE53844D4 for ; Tue, 16 Aug 2022 11:07:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1660673266; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ywTMuS9huvM7zHWOxR6GjSmCdhb3SJi0oS2399XlZwU=; b=H55HsjHjXNDwMXB/Yolv98wJNCbTIIABO8ZxsklxyRRhAXcVP3XSJYqEDh4+CE5MaxZX8h UvPT8id9/Im/v7THeWFZEO522KvEbn4H6AR1UWYtDhC8FcPs4ZG+jffiIKfFdmezXOByxf nErxk7dAyK8lCpBV/pTSHP4p1XUpmxY= Received: from mail-wm1-f69.google.com (mail-wm1-f69.google.com [209.85.128.69]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_128_GCM_SHA256) id us-mta-163-E3cHLbglO2WYYnGL11P7ZA-1; Tue, 16 Aug 2022 14:07:45 -0400 X-MC-Unique: E3cHLbglO2WYYnGL11P7ZA-1 Received: by mail-wm1-f69.google.com with SMTP id b4-20020a05600c4e0400b003a5a96f1756so10577618wmq.0 for ; Tue, 16 Aug 2022 11:07:44 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc; bh=ywTMuS9huvM7zHWOxR6GjSmCdhb3SJi0oS2399XlZwU=; b=Lg99pfMg31qynihaFJLdx2RgQuvMrZ8SFIgN21l8Bo5YKEKdR23QmWeiK6KO7q9ibi TI7psbKCVcfmDEOpjHel6GlPMr7IkY/sOVlwHUQRtjuPLux99aQf0YZFJM1eBq5mGYuM lydmTajsF3W0OVN1v3eNgDyrScl8YkijpNoIioziYLaIFswiBPrcb4R00uvAoTCBZTzw 9OGhjR4MyPlIiH5U28nwmteU2VYIl4mPYrgmr+FQ+8ORIkm/EAssN8aLs8SmFnXPh3Ku lg3u7YaFFwWQfrNdJe4QKpM18S9feU6EchI/Kb93fKtjsX7ig5ahR2dTTR7PenCaOPAq 4ppg== X-Gm-Message-State: ACgBeo0P1I301S6f/KsFm2RKmVmoFQkPCVole0Ra6WXcZGfJHZ9ePlML WZAhasoteVl9JxpbgnGcdp8rtYcUiLQZMKupZ6jXJRH0Owkzp42GcCs7KQyqkTNMkaEmrUuDiqQ 7WzEPLDl5xRoYjQggq3OEM1ie X-Received: by 2002:a1c:19c2:0:b0:3a5:168e:a918 with SMTP id 185-20020a1c19c2000000b003a5168ea918mr20414209wmz.31.1660673264007; Tue, 16 Aug 2022 11:07:44 -0700 (PDT) X-Google-Smtp-Source: AA6agR6iJQtE2obeMLeeSvqbOGp+G+UtYBLaHlthMqMKBF8/l32gDnIQKks/dY9pNYiEbkt1Ewqs4Q== X-Received: by 2002:a1c:19c2:0:b0:3a5:168e:a918 with SMTP id 185-20020a1c19c2000000b003a5168ea918mr20414203wmz.31.1660673263847; Tue, 16 Aug 2022 11:07:43 -0700 (PDT) Received: from vschneid.remote.csb ([185.11.37.247]) by smtp.gmail.com with ESMTPSA id o8-20020a05600c4fc800b003a319bd3278sm14694961wmq.40.2022.08.16.11.07.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 16 Aug 2022 11:07:43 -0700 (PDT) From: Valentin Schneider To: netdev@vger.kernel.org, linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Saeed Mahameed , Leon Romanovsky , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Yury Norov , Andy Shevchenko , Rasmus Villemoes , Ingo Molnar , Peter Zijlstra , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Mel Gorman , Greg Kroah-Hartman , Barry Song , Heiko Carstens , Tony Luck , Jonathan Cameron , Gal Pressman , Tariq Toukan Subject: [PATCH 5/5] SHOWCASE: net/mlx5e: Leverage for_each_numa_hop_cpu() Date: Tue, 16 Aug 2022 19:07:27 +0100 Message-Id: <20220816180727.387807-6-vschneid@redhat.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20220816180727.387807-1-vschneid@redhat.com> References: <20220816180727.387807-1-vschneid@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Not-signed-off-by: Valentin Schneider --- drivers/net/ethernet/mellanox/mlx5/core/eq.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eq.c b/drivers/net/eth= ernet/mellanox/mlx5/core/eq.c index 229728c80233..0a5432903edd 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eq.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eq.c @@ -812,6 +812,7 @@ static int comp_irqs_request(struct mlx5_core_dev *dev) int ncomp_eqs =3D table->num_comp_eqs; u16 *cpus; int ret; + int cpu; int i; =20 ncomp_eqs =3D table->num_comp_eqs; @@ -830,8 +831,15 @@ static int comp_irqs_request(struct mlx5_core_dev *dev) ret =3D -ENOMEM; goto free_irqs; } - for (i =3D 0; i < ncomp_eqs; i++) - cpus[i] =3D cpumask_local_spread(i, dev->priv.numa_node); + + rcu_read_lock(); + for_each_numa_hop_cpus(cpu, dev->priv.numa_node) { + cpus[i] =3D cpu; + if (++i =3D=3D ncomp_eqs) + goto spread_done; + } +spread_done: + rcu_read_unlock(); ret =3D mlx5_irqs_request_vectors(dev, cpus, ncomp_eqs, table->comp_irqs); kfree(cpus); if (ret < 0) --=20 2.31.1