[Intel-wired-lan] [PATCH v1 1/3] i40e: use minimal tx and rx pairs for kdump

Switzer, David david.switzer at intel.com
Thu Apr 22 21:00:53 UTC 2021


>-----Original Message-----
>From: Coiby Xu <coxu at redhat.com>
>Sent: Wednesday, March 3, 2021 6:56 PM
>To: netdev at vger.kernel.org
>Cc: kexec at lists.infradead.org; intel-wired-lan at lists.osuosl.org; Jakub Kicinski
><kuba at kernel.org>; Brandeburg, Jesse <jesse.brandeburg at intel.com>; Nguyen,
>Anthony L <anthony.l.nguyen at intel.com>; David S. Miller
><davem at davemloft.net>; open list <linux-kernel at vger.kernel.org>
>Subject: [PATCH v1 1/3] i40e: use minimal tx and rx pairs for kdump
>
>Set the number of the MSI-X vectors to 1. When MSI-X is enabled, it's not allowed
>to use more TC queue pairs than MSI-X vectors
>(pf->num_lan_msix) exist. Thus the number of tx and rx pairs
>(vsi->num_queue_pairs) will be equal to the number of MSI-X vectors, i.e., 1.
>
>Signed-off-by: Coiby Xu <coxu at redhat.com>
>---
> drivers/net/ethernet/intel/i40e/i40e_main.c | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
Tested-by: Dave Switzer <david.switzer at intel.com


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