From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]) by casper.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lHeAM-005ElG-W7 for kexec@lists.infradead.org; Thu, 04 Mar 2021 02:56:44 +0000 Received: by mail-pf1-f200.google.com with SMTP id z5so759024pfz.19 for ; Wed, 03 Mar 2021 18:56:27 -0800 (PST) From: Coiby Xu Subject: [PATCH v1 2/3] i40e: use minimal rx and tx ring buffers for kdump Date: Thu, 4 Mar 2021 10:55:42 +0800 Message-Id: <20210304025543.334912-3-coxu@redhat.com> In-Reply-To: <20210304025543.334912-1-coxu@redhat.com> References: <20210304025543.334912-1-coxu@redhat.com> MIME-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "kexec" Errors-To: kexec-bounces+dwmw2=infradead.org@lists.infradead.org To: netdev@vger.kernel.org Cc: kexec@lists.infradead.org, intel-wired-lan@lists.osuosl.org, Jakub Kicinski , Jesse Brandeburg , Tony Nguyen , "David S. Miller" , open list Use the minimum of the number of descriptors thus we will allocate the minimal ring buffers for kdump. Signed-off-by: Coiby Xu --- 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 77bf8c392750..d6868c7aee05 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -11029,6 +11029,11 @@ 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; } -- 2.30.1 _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec