From mboxrd@z Thu Jan 1 00:00:00 1970 From: Coiby Xu Date: Thu, 4 Mar 2021 10:55:42 +0800 Subject: [Intel-wired-lan] [PATCH v1 2/3] i40e: use minimal rx and tx ring buffers for kdump In-Reply-To: <20210304025543.334912-1-coxu@redhat.com> References: <20210304025543.334912-1-coxu@redhat.com> Message-ID: <20210304025543.334912-3-coxu@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: intel-wired-lan@osuosl.org List-ID: 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