netdev - RE: [Intel-wired-lan] [PATCH v2 intel-net 3/6] ice: remove dead store on XSK hotpath

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Message-ID: <DM6PR11MB329225DA5F67CEDB3B587AC4F1789@DM6PR11MB3292.namprd11.prod.outlook.com>
Date:   Fri, 17 Dec 2021 15:24:00 +0000
From:   "Bhandare, KiranX" <kiranx.bhandare@...el.com>
To:     "Fijalkowski, Maciej" <maciej.fijalkowski@...el.com>,
        "intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>
CC:     "Mathew, Elza" <elza.mathew@...el.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.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 v2 intel-net 3/6] ice: remove dead store
 on XSK hotpath


> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces@...osl.org> On Behalf Of
> Maciej Fijalkowski
> Sent: Monday, December 13, 2021 9:01 PM
> To: intel-wired-lan@...ts.osuosl.org
> Cc: Mathew, Elza <elza.mathew@...el.com>; netdev@...r.kernel.org;
> kuba@...nel.org; bpf@...r.kernel.org; davem@...emloft.net; Karlsson,
> Magnus <magnus.karlsson@...el.com>
> Subject: [Intel-wired-lan] [PATCH v2 intel-net 3/6] ice: remove dead store on
> XSK hotpath
> 
> From: Alexander Lobakin <alexandr.lobakin@...el.com>
> 
> The 'if (ntu == rx_ring->count)' block in ice_alloc_rx_buffers_zc() was
> previously residing in the loop, but after introducing the batched interface it
> is used only to wrap-around the NTU descriptor, thus no more need to assign
> 'xdp'.
> 
> Fixes: db804cfc21e9 ("ice: Use the xsk batched rx allocation interface")
> Signed-off-by: Alexander Lobakin <alexandr.lobakin@...el.com>
> Acked-by: Maciej Fijalkowski <maciej.fijalkowski@...el.com>
> ---
>  drivers/net/ethernet/intel/ice/ice_xsk.c | 1 -
>  1 file changed, 1 deletion(-)
> 

Tested-by: Kiran Bhandare <kiranx.bhandare@...el.com>  A Contingent Worker at Intel