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Date:   Tue, 19 Jan 2021 16:31:53 -0800
From:   Jakub Kicinski <kuba@kernel.org>
To:     Ivan Babrou <ivan@cloudflare.com>
Cc:     Linux Kernel Network Developers <netdev@vger.kernel.org>,
        linux-kernel <linux-kernel@vger.kernel.org>, bpf@vger.kernel.org,
        kernel-team <kernel-team@cloudflare.com>,
        Edward Cree <ecree.xilinx@gmail.com>,
        Martin Habets <habetsm.xilinx@gmail.com>,
        "David S. Miller" <davem@davemloft.net>,
        Alexei Starovoitov <ast@kernel.org>,
        Daniel Borkmann <daniel@iogearbox.net>,
        Jesper Dangaard Brouer <hawk@kernel.org>,
        John Fastabend <john.fastabend@gmail.com>
Subject: Re: [PATCH net-next] sfc: reduce the number of requested xdp ev
 queues
Message-ID: <20210119163153.025d4e44@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
In-Reply-To: <CABWYdi21ntZzrfchif1XEjDZK-RiQKttxu8oT_yRTakNhYYciw@mail.gmail.com>
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        <20201217101441.3d5085f3@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
        <CABWYdi21ntZzrfchif1XEjDZK-RiQKttxu8oT_yRTakNhYYciw@mail.gmail.com>
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On Tue, 19 Jan 2021 15:43:43 -0800 Ivan Babrou wrote:
> On Thu, Dec 17, 2020 at 10:14 AM Jakub Kicinski <kuba@kernel.org> wrote:
> > On Mon, 14 Dec 2020 17:29:06 -0800 Ivan Babrou wrote:  
> > > Without this change the driver tries to allocate too many queues,
> > > breaching the number of available msi-x interrupts on machines
> > > with many logical cpus and default adapter settings:
> > >
> > > Insufficient resources for 12 XDP event queues (24 other channels, max 32)
> > >
> > > Which in turn triggers EINVAL on XDP processing:
> > >
> > > sfc 0000:86:00.0 ext0: XDP TX failed (-22)
> > >
> > > Signed-off-by: Ivan Babrou <ivan@cloudflare.com>  
> >
> > Looks like the discussion may have concluded, but we don't take -next
> > patches during the merge window, so please repost when net-next reopens.
> >
> > Thanks!
> > --
> > # Form letter - net-next is closed
> >
> > We have already sent the networking pull request for 5.11 and therefore
> > net-next is closed for new drivers, features, code refactoring and
> > optimizations. We are currently accepting bug fixes only.
> >
> > Please repost when net-next reopens after 5.11-rc1 is cut.  
> 
> Should I resend my patch now that the window is open or is bumping
> this thread enough?

You need to resend, thanks!