netdev - Re: [PATCH net 2/2] ice: avoid XDP checks in ice_clean_tx

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Date:   Thu, 3 Mar 2022 08:19:01 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Tony Nguyen <anthony.l.nguyen@...el.com>
Cc:     davem@...emloft.net,
        Maciej Fijalkowski <maciej.fijalkowski@...el.com>,
        netdev@...r.kernel.org, magnus.karlsson@...el.com, ast@...nel.org,
        daniel@...earbox.net, hawk@...nel.org, john.fastabend@...il.com,
        bpf@...r.kernel.org, andrii@...nel.org, kpsingh@...nel.org,
        kafai@...com, yhs@...com, songliubraving@...com,
        Alexander Lobakin <alexandr.lobakin@...el.com>,
        Kiran Bhandare <kiranx.bhandare@...el.com>
Subject: Re: [PATCH net 2/2] ice: avoid XDP checks in ice_clean_tx_irq()

On Wed,  2 Mar 2022 09:59:28 -0800 Tony Nguyen wrote:
> From: Maciej Fijalkowski <maciej.fijalkowski@...el.com>
> 
> Commit 9610bd988df9 ("ice: optimize XDP_TX workloads") introduced Tx IRQ
> cleaning routine dedicated for XDP rings. Currently it is impossible to
> call ice_clean_tx_irq() against XDP ring, so it is safe to drop
> ice_ring_is_xdp() calls in there.
> 
> Fixes: 1c96c16858ba ("ice: update to newer kernel API")
> Fixes: cc14db11c8a4 ("ice: use prefetch methods")
> Reviewed-by: Alexander Lobakin <alexandr.lobakin@...el.com>
> Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@...el.com>
> Tested-by: Kiran Bhandare <kiranx.bhandare@...el.com>  (A Contingent Worker at Intel)
> Signed-off-by: Tony Nguyen <anthony.l.nguyen@...el.com>

Is this really a fix?