From: Greg KH <greg@kroah.com>
To: Christoph Lameter <cl@gentwo.org>
Cc: ksummit-discuss@lists.linuxfoundation.org
Subject: Re: [Ksummit-discuss] [CORE TOPIC] Redesign Memory Management layer and more core subsystem
Date: Fri, 13 Jun 2014 10:31:45 -0700 [thread overview]
Message-ID: <20140613173145.GB19513@kroah.com> (raw)
In-Reply-To: <alpine.DEB.2.10.1406131156210.913@gentwo.org>
On Fri, Jun 13, 2014 at 11:57:04AM -0500, Christoph Lameter wrote:
> On Thu, 12 Jun 2014, John W. Linville wrote:
>
> > AF_PACKET provides some level of hardware abstraction without a lot of
> > overhead for networking apps that are prepared to deal with raw frames.
> > Is this the kind of networking API you would propose?
>
> The kernel is still in the data path and will cause limitations in terms
> of bandwidth and latency.
Of course it will, nothing is "free". If this is a problem, then run
one of the many different networking stacks that are in userspace that
are tailored to a specific use-case. The kernel has to provide a
"general" use case stack, that is its job.
greg k-h
next prev parent reply other threads:[~2014-06-13 17:27 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-11 19:03 Christoph Lameter
2014-06-11 19:26 ` Daniel Phillips
2014-06-11 19:45 ` Greg KH
2014-06-12 13:35 ` John W. Linville
2014-06-13 16:57 ` Christoph Lameter
2014-06-13 17:31 ` Greg KH [this message]
2014-06-13 17:59 ` Christoph Lameter
2014-06-13 19:18 ` Stephen Hemminger
2014-06-13 22:30 ` Christoph Lameter
2014-06-13 16:56 ` Christoph Lameter
2014-06-13 17:30 ` Greg KH
2014-06-13 17:55 ` James Bottomley
2014-06-13 18:41 ` Christoph Lameter
2014-06-16 11:39 ` Thomas Petazzoni
2014-06-16 14:05 ` Christoph Lameter
2014-06-16 14:09 ` Thomas Petazzoni
2014-06-16 14:28 ` Christoph Lameter
2014-06-13 18:01 ` Christoph Lameter
2014-06-13 18:25 ` Greg KH
2014-06-13 18:54 ` Christoph Lameter
2014-06-11 20:08 ` josh
2014-06-11 20:15 ` Andy Lutomirski
2014-06-11 20:52 ` Dave Hansen
2014-06-12 6:59 ` Phillip Lougher
2014-06-13 17:02 ` Christoph Lameter
2014-06-13 21:36 ` Benjamin Herrenschmidt
2014-06-13 22:23 ` Rik van Riel
2014-06-13 23:04 ` Christoph Lameter
2014-06-14 1:19 ` Phillip Lougher
2014-06-16 14:04 ` Christoph Lameter
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