netdev - RE: [Intel-wired-lan] [PATCH v7 intel-next 5/9] ice: do not create xdp_frame on XDP

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <PH0PR11MB5144474F59154C5DC3CAC56AE2CF9@PH0PR11MB5144.namprd11.prod.outlook.com>
Date:   Fri, 3 Sep 2021 06:40:42 +0000
From:   "Kuruvinakunnel, George" <george.kuruvinakunnel@...el.com>
To:     "Fijalkowski, Maciej" <maciej.fijalkowski@...el.com>,
        "intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>
CC:     "joamaki@...il.com" <joamaki@...il.com>,
        "Lobakin, Alexandr" <alexandr.lobakin@...el.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "toke@...hat.com" <toke@...hat.com>,
        "bjorn@...nel.org" <bjorn@...nel.org>,
        "kuba@...nel.org" <kuba@...nel.org>,
        "bpf@...r.kernel.org" <bpf@...r.kernel.org>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "Karlsson, Magnus" <magnus.karlsson@...el.com>
Subject: RE: [Intel-wired-lan] [PATCH v7 intel-next 5/9] ice: do not create
 xdp_frame on XDP_TX

> From: Intel-wired-lan <intel-wired-lan-bounces@...osl.org> On Behalf Of Maciej
> Fijalkowski
> Sent: Thursday, August 19, 2021 5:30 PM
> To: intel-wired-lan@...ts.osuosl.org
> Cc: joamaki@...il.com; Lobakin, Alexandr <alexandr.lobakin@...el.com>;
> netdev@...r.kernel.org; toke@...hat.com; bjorn@...nel.org; kuba@...nel.org;
> bpf@...r.kernel.org; davem@...emloft.net; Karlsson, Magnus
> <magnus.karlsson@...el.com>
> Subject: [Intel-wired-lan] [PATCH v7 intel-next 5/9] ice: do not create xdp_frame on
> XDP_TX
> 
> xdp_frame is not needed for XDP_TX data path in ice driver case.
> For this data path cleaning of sent descriptor will not happen anywhere outside of
> the driver, which means that carrying the information about the underlying memory
> model via xdp_frame will not be used. Therefore, this conversion can be simply
> dropped, which would relieve CPU a bit.
> 
> Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@...el.com>
> ---
>  drivers/net/ethernet/intel/ice/ice_txrx.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 

Tested-by: George Kuruvinakunnel <george.kuruvinakunnel@...el.com>