From: Eric Dumazet <edumazet@google.com>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Tariq Toukan <ttoukan.linux@gmail.com>,
Jesper Dangaard Brouer <brouer@redhat.com>,
Alexander Duyck <alexander.duyck@gmail.com>,
"David S . Miller" <davem@davemloft.net>,
netdev <netdev@vger.kernel.org>,
Tariq Toukan <tariqt@mellanox.com>,
Martin KaFai Lau <kafai@fb.com>,
Saeed Mahameed <saeedm@mellanox.com>,
Willem de Bruijn <willemb@google.com>,
Brenden Blanco <bblanco@plumgrid.com>,
Alexei Starovoitov <ast@kernel.org>,
linux-mm <linux-mm@kvack.org>
Subject: Re: [PATCH v3 net-next 08/14] mlx4: use order-0 pages for RX
Date: Tue, 14 Feb 2017 08:03:05 -0800 [thread overview]
Message-ID: <CANn89iK2YaThRzWtcaFRi01FuJ874krD0b5orzVtDqijkdtbvw@mail.gmail.com> (raw)
In-Reply-To: <1487087488.8227.53.camel@edumazet-glaptop3.roam.corp.google.com>
> Anything _relying_ on order-3 pages being available to impress
> friends/customers is a lie.
>
BTW, you do understand that on PowerPC right now, an Ethernet frame
holds 65536*8 = half a MByte , right ?
So any PowerPC host using mlx4 NIC can easily be bringed down, by
using a few TCP flows and sending out of order packets.
That is in itself quite scary.
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2017-02-14 16:03 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20170213195858.5215-1-edumazet@google.com>
[not found] ` <20170213195858.5215-9-edumazet@google.com>
[not found] ` <CAKgT0Ufx0Y=9kjLax36Gx4e7Y-A7sKZDNYxgJ9wbCT4_vxHhGA@mail.gmail.com>
[not found] ` <CANn89iLkPB_Dx1L2dFfwOoeXOmPhu_C3OO2yqZi8+Rvjr=-EtA@mail.gmail.com>
[not found] ` <CAKgT0UeB_e_Z7LM1_r=en8JJdgLhoYFstWpCDQN6iawLYZJKDA@mail.gmail.com>
2017-02-14 12:12 ` Jesper Dangaard Brouer
2017-02-14 13:45 ` Eric Dumazet
2017-02-14 14:12 ` Eric Dumazet
2017-02-14 14:56 ` Tariq Toukan
2017-02-14 15:51 ` Eric Dumazet
2017-02-14 16:03 ` Eric Dumazet [this message]
2017-02-14 17:29 ` Tom Herbert
2017-02-15 16:42 ` Tariq Toukan
2017-02-15 16:57 ` Eric Dumazet
2017-02-16 13:08 ` Tariq Toukan
2017-02-16 15:47 ` Eric Dumazet
2017-02-16 17:05 ` Tom Herbert
2017-02-16 17:11 ` Eric Dumazet
2017-02-16 20:49 ` Saeed Mahameed
2017-02-16 19:03 ` David Miller
2017-02-16 21:06 ` Saeed Mahameed
2017-02-14 17:04 ` David Miller
2017-02-14 17:17 ` David Laight
2017-02-14 17:22 ` David Miller
2017-02-14 19:38 ` Jesper Dangaard Brouer
2017-02-14 19:59 ` David Miller
2017-02-14 17:29 ` Alexander Duyck
2017-02-14 18:46 ` Jesper Dangaard Brouer
2017-02-14 19:02 ` Eric Dumazet
2017-02-14 20:02 ` Jesper Dangaard Brouer
2017-02-14 21:56 ` Eric Dumazet
2017-02-14 19:06 ` Alexander Duyck
2017-02-14 19:50 ` Jesper Dangaard Brouer
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=CANn89iK2YaThRzWtcaFRi01FuJ874krD0b5orzVtDqijkdtbvw@mail.gmail.com \
--to=edumazet@google.com \
--cc=alexander.duyck@gmail.com \
--cc=ast@kernel.org \
--cc=bblanco@plumgrid.com \
--cc=brouer@redhat.com \
--cc=davem@davemloft.net \
--cc=eric.dumazet@gmail.com \
--cc=kafai@fb.com \
--cc=linux-mm@kvack.org \
--cc=netdev@vger.kernel.org \
--cc=saeedm@mellanox.com \
--cc=tariqt@mellanox.com \
--cc=ttoukan.linux@gmail.com \
--cc=willemb@google.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox