netdev - Re: [PATCH] TCPCT+1: initial SYN exchange with SYNACK data

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: <20091005.014558.48061546.davem@davemloft.net>
Date:	Mon, 05 Oct 2009 01:45:58 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	william.allen.simpson@...il.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH] TCPCT+1: initial SYN exchange with SYNACK data

From: William Allen Simpson <william.allen.simpson@...il.com>
Date: Mon, 05 Oct 2009 04:11:42 -0400

> Given that size is now a concern, would a single kref pointer with a
> u16 field for flags be acceptable?  I could bury the rest in the
> kref block.
> 
> Would that be acceptable without a config option?

Then we'll eat an atomic operation every connect() or something
like that?

That's bad too.  We're trying desperately to remove as many
atomic operations as possible from the socket paths.

Compress your state, really compress it, don't just externalize
it somewhere else in exchange for a different cost.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html