From: Christoph Lameter <cl@gentwo.org>
To: James Bottomley <James.Bottomley@HansenPartnership.com>
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 13:41:12 -0500 (CDT) [thread overview]
Message-ID: <alpine.DEB.2.10.1406131338520.8092@gentwo.org> (raw)
In-Reply-To: <1402682146.2224.44.camel@dabdike.int.hansenpartnership.com>
On Fri, 13 Jun 2014, James Bottomley wrote:
> The point here is that lots of people say "just get your operating
> system out of my way" most realise they actually didn't mean it when
> presented with the reality.
Right. Exactly. What I would like to see is the OS doing its part to make
things nice and provide a convenient abstraction of the ugly details.
> The abstractions most people who say this want are a zero delay data
> path with someone else taking care of all of the metadata and setup
> problems ... effectively a MPI type interface. Is that what you're
> looking for, Christoph?
Ideally the setup/metadata should be handled by the OS while the data
path would go direct. The get-out-of-the-way piece is restricted only to
the performance critical portion which is the actual data transfer.
next prev parent reply other threads:[~2014-06-13 18:41 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
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 [this message]
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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