netdev - RE: [PATCH v1 1/3] i40e: use minimal tx and rx pairs for kdump

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Message-ID: <MW3PR11MB4748DAD8745E21A92A7CD38FEB469@MW3PR11MB4748.namprd11.prod.outlook.com>
Date:   Thu, 22 Apr 2021 21:00:53 +0000
From:   "Switzer, David" <david.switzer@...el.com>
To:     Coiby Xu <coxu@...hat.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
CC:     "kexec@...ts.infradead.org" <kexec@...ts.infradead.org>,
        "intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>,
        "Jakub Kicinski" <kuba@...nel.org>,
        "Brandeburg, Jesse" <jesse.brandeburg@...el.com>,
        "Nguyen, Anthony L" <anthony.l.nguyen@...el.com>,
        "David S. Miller" <davem@...emloft.net>,
        "open list" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v1 1/3] i40e: use minimal tx and rx pairs for kdump


>-----Original Message-----
>From: Coiby Xu <coxu@...hat.com>
>Sent: Wednesday, March 3, 2021 6:56 PM
>To: netdev@...r.kernel.org
>Cc: kexec@...ts.infradead.org; intel-wired-lan@...ts.osuosl.org; Jakub Kicinski
><kuba@...nel.org>; Brandeburg, Jesse <jesse.brandeburg@...el.com>; Nguyen,
>Anthony L <anthony.l.nguyen@...el.com>; David S. Miller
><davem@...emloft.net>; open list <linux-kernel@...r.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@...hat.com>
>---
> drivers/net/ethernet/intel/i40e/i40e_main.c | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
Tested-by: Dave Switzer <david.switzer@...el.com