netdev - Re: tbench wrt. loopback TSO

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: <20081105.035454.87914782.davem@davemloft.net>
Date:	Wed, 05 Nov 2008 03:54:54 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	zbr@...emap.net
Cc:	ilpo.jarvinen@...sinki.fi, netdev@...r.kernel.org, efault@....de,
	mingo@...e.hu, a.p.zijlstra@...llo.nl, herbert@...dor.apana.org.au
Subject: Re: tbench wrt. loopback TSO

From: Evgeniy Polyakov <zbr@...emap.net>
Date: Wed, 5 Nov 2008 14:49:00 +0300

> But what if we just remove that trimming at all? This may result in
> a not fully filled tso frame, but who cares if we copy data from
> userspace anyway, will add another potentially small copy at sending
> time?

Ok, the only part I care about is whether taking away this modulus
will result in a sub-MSS sized packet on the wire, which is
undesirable.

The send logic will prevent this, right?

If so, yes I agree, we can delete this.
--
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