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Subject[PATCH v1 2/3] i40e: use minimal rx and tx ring buffers for kdump
Date
Use the minimum of the number of descriptors thus we will allocate the
minimal ring buffers for kdump.

Signed-off-by: Coiby Xu <coxu@redhat.com>
---
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
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