From mboxrd@z Thu Jan 1 00:00:00 1970 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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 C603BC43461 for ; Fri, 23 Apr 2021 16:40:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AA2A3611CC for ; Fri, 23 Apr 2021 16:40:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243066AbhDWQld (ORCPT ); Fri, 23 Apr 2021 12:41:33 -0400 Received: from mga17.intel.com ([192.55.52.151]:13567 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229691AbhDWQl3 (ORCPT ); Fri, 23 Apr 2021 12:41:29 -0400 IronPort-SDR: guiyspPvXQQck0PGZzoHRODpXagAJRIZeobzYnCJCMH70QPMypPPYDi8N3fFa3t2+r9ctTLUGq ADOeb/vmFi6g== X-IronPort-AV: E=McAfee;i="6200,9189,9963"; a="176218636" X-IronPort-AV: E=Sophos;i="5.82,246,1613462400"; d="scan'208";a="176218636" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Apr 2021 09:40:52 -0700 IronPort-SDR: OudaoBVY56vHm84yaCY0vlvndcJBFGwUlYKMIYsWBRvoLLmB2x+Av2gYx0HReAw4eakjUsSlQI e7PjBUJqwjOA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,246,1613462400"; d="scan'208";a="456285965" Received: from anguy11-desk2.jf.intel.com ([10.166.244.147]) by fmsmga002.fm.intel.com with ESMTP; 23 Apr 2021 09:40:52 -0700 From: Tony Nguyen To: davem@davemloft.net, kuba@kernel.org Cc: Coiby Xu , netdev@vger.kernel.org, sassmann@redhat.com, anthony.l.nguyen@intel.com, Dave Switzer Subject: [PATCH net-next 3/8] i40e: use minimal Rx and Tx ring buffers for kdump Date: Fri, 23 Apr 2021 09:42:42 -0700 Message-Id: <20210423164247.3252913-4-anthony.l.nguyen@intel.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210423164247.3252913-1-anthony.l.nguyen@intel.com> References: <20210423164247.3252913-1-anthony.l.nguyen@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Coiby Xu Use the minimum of the number of descriptors thus we will allocate the minimal ring buffers for kdump. Signed-off-by: Coiby Xu Tested-by: Dave Switzer Signed-off-by: Tony Nguyen --- drivers/net/ethernet/intel/i40e/i40e_main.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index b51b8e25501d..2d3dbb3c0e14 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -11040,6 +11040,11 @@ static int i40e_set_num_rings_in_vsi(struct i40e_vsi *vsi) return -ENODATA; } + if (is_kdump_kernel()) { + vsi->num_tx_desc = I40E_MIN_NUM_DESCRIPTORS; + vsi->num_rx_desc = I40E_MIN_NUM_DESCRIPTORS; + } + return 0; } -- 2.26.2