netdev - Re: [RFC v3 net-next 08/18] net: SO_TXTIME: Add clockid and drop_if

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20180308.112553.749777250006660851.davem@davemloft.net>
Date:   Thu, 08 Mar 2018 11:25:53 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     mlichvar@...hat.com
Cc:     eric.dumazet@...il.com, jesus.sanchez-palencia@...el.com,
        netdev@...r.kernel.org, jhs@...atatu.com, xiyou.wangcong@...il.com,
        jiri@...nulli.us, vinicius.gomes@...el.com,
        richardcochran@...il.com, intel-wired-lan@...ts.osuosl.org,
        anna-maria@...utronix.de, henrik@...tad.us, tglx@...utronix.de,
        john.stultz@...aro.org, levi.pearson@...man.com,
        edumazet@...gle.com, willemb@...gle.com
Subject: Re: [RFC v3 net-next 08/18] net: SO_TXTIME: Add clockid and
 drop_if_late params

From: Miroslav Lichvar <mlichvar@...hat.com>
Date: Thu, 8 Mar 2018 12:37:22 +0100

> Well, I'd not expect it to be a common use case, but a public NTP
> server could be sending millions of packets per second in traffic
> peaks (typically at *:00:00) over multiple interfaces.

That's the problem.

Bloating up sk_buff for an uncommon use case, penalizing all others,
is a non-starter.

Sorry.