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Message-ID: <Y33yuSmiMPr6IOet@localhost.localdomain>
Date:   Wed, 23 Nov 2022 05:15:21 -0500
From:   Michal Kubiak <michal.kubiak@...el.com>
To:     Eric Dumazet <edumazet@...gle.com>
CC:     Joerg Roedel <joro@...tes.org>,
        Robin Murphy <robin.murphy@....com>,
        "Will Deacon" <will@...nel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        <netdev@...r.kernel.org>, Eric Dumazet <eric.dumazet@...il.com>,
        <iommu@...ts.linux.dev>, <maciej.fijalkowski@...el.com>,
        <magnus.karlsson@...el.com>, <larysa.zaremba@...el.com>
Subject: Re: [PATCH -next] iommu/dma: avoid expensive indirect calls for sync
 operations

On Tue, Nov 22, 2022 at 02:17:58PM -0500, Michal Kubiak wrote:
> 
>  Together with Larysa we have applied that patch and we can confirm it
>  helps for batch buffer allocation in AF_XDP ('xsk_buff_alloc_batch()'
>  call) when iommu is enabled.


I am sorry I have forgotten to add Larysa to this thread, adding.

Michal

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