From mboxrd@z Thu Jan  1 00:00:00 1970
From: Adrien Mazarguil <adrien.mazarguil@6wind.com>
Subject: Re: [PATCH] net/mlx5: remove excessive data prefetch
Date: Tue, 13 Mar 2018 13:44:59 +0100
Message-ID: <20180313124459.GI3994@6wind.com>
References: <20180312170545.16165-1-yskoh@mellanox.com>
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To: Yongseok Koh <yskoh@mellanox.com>
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On Mon, Mar 12, 2018 at 10:05:45AM -0700, Yongseok Koh wrote:
> In Enhanced Multi-Packet Send (eMPW), entire packet data is prefetched to
> LLC if it isn't inlined. Even though this helps reducing jitter when HW
> fetches data by DMA, this can thresh the LLC with evicting precious data.
> And if the size of queue is large and there are many queues, this might not
> be effective. Also, if application runs on a remote node from the PCIe
> link, it may not be helpful and can even cause bad results.
> 
> Signed-off-by: Yongseok Koh <yskoh@mellanox.com>

Acked-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>

-- 
Adrien Mazarguil
6WIND