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Date:   Tue, 29 Sep 2020 18:10:48 -0700 (PDT)
From:   David Miller <>
Subject: Re: [PATCH net-next] net: mvneta: avoid possible cache misses in

From: Lorenzo Bianconi <>
Date: Tue, 29 Sep 2020 23:58:57 +0200

> Do not use rx_desc pointers if possible since rx descriptors are stored in
> uncached memory and dereferencing rx_desc pointers generate extra loads.
> This patch improves XDP_DROP performance of ~ 110Kpps (700Kpps vs 590Kpps)
> on Marvell Espressobin
> Analyzed-by: Ilias Apalodimas <>
> Signed-off-by: Lorenzo Bianconi <>


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