linux-kernel - Re: [PATCH bpf v5 1/2] xdp: hold device for umem regardless of zero-copy mode

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Message-ID: <A2E9F080-AFBE-4DA8-BAA5-73E6442DB54B@gmail.com>
Date:   Thu, 27 Jun 2019 15:04:35 -0700
From:   "Jonathan Lemon" <jonathan.lemon@...il.com>
To:     "Ilya Maximets" <i.maximets@...sung.com>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        bpf@...r.kernel.org, xdp-newbies@...r.kernel.org,
        "David S. Miller" <davem@...emloft.net>,
        "Björn Töpel" <bjorn.topel@...el.com>,
        "Magnus Karlsson" <magnus.karlsson@...el.com>,
        "Jakub Kicinski" <jakub.kicinski@...ronome.com>,
        "Daniel Borkmann" <daniel@...earbox.net>
Subject: Re: [PATCH bpf v5 1/2] xdp: hold device for umem regardless of
 zero-copy mode

On 27 Jun 2019, at 3:15, Ilya Maximets wrote:

> Device pointer stored in umem regardless of zero-copy mode,
> so we heed to hold the device in all cases.
>
> Fixes: c9b47cc1fabc ("xsk: fix bug when trying to use both copy and 
> zero-copy on one queue id")
> Signed-off-by: Ilya Maximets <i.maximets@...sung.com>

Acked-by: Jonathan Lemon <jonathan.lemon@...il.com>