netdev - Re: [PATCH bpf v2 0/4] Fix concurrency issues between XSK wakeup and control path using RCU

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Message-ID: <cfe64691-7a0f-5b8a-d511-ebe742cec3c0@intel.com>
Date:   Tue, 17 Dec 2019 18:33:14 +0100
From:   Björn Töpel <bjorn.topel@...el.com>
To:     Maxim Mikityanskiy <maximmi@...lanox.com>,
        Magnus Karlsson <magnus.karlsson@...el.com>,
        Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Cc:     "bpf@...r.kernel.org" <bpf@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>,
        "David S. Miller" <davem@...emloft.net>,
        Saeed Mahameed <saeedm@...lanox.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Jakub Kicinski <jakub.kicinski@...ronome.com>,
        Jesper Dangaard Brouer <hawk@...nel.org>,
        John Fastabend <john.fastabend@...il.com>,
        Jonathan Lemon <jonathan.lemon@...il.com>
Subject: Re: [PATCH bpf v2 0/4] Fix concurrency issues between XSK wakeup and
 control path using RCU

On 2019-12-17 17:20, Maxim Mikityanskiy wrote:
> This series addresses the issue described in the commit message of the
> first patch: lack of synchronization between XSK wakeup and destroying
> the resources used by XSK wakeup. The idea is similar to
> napi_synchronize. The series contains fixes for the drivers that
> implement XSK. I haven't tested the changes to Intel's drivers, so,
> Intel guys, please review them.
>

Max, thanks a lot for compiling the series on your vacation!


Cheers,
Björn