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From: stevegt@TerraLuna.Org
To: Bryan O'Sullivan <bos@keyresearch.com>
Cc: user-mode-linux-devel@lists.sourceforge.net
Subject: Re: [uml-devel] SKAS: Why pass mm vs. current?
Date: Fri, 5 Sep 2003 14:47:37 -0700	[thread overview]
Message-ID: <20030905214737.GF1601@pathfinder> (raw)
In-Reply-To: <1062797281.23069.46.camel@serpentine.internal.keyresearch.com>

On Fri, Sep 05, 2003 at 02:28:01PM -0700, Bryan O'Sullivan wrote:
> On Fri, 2003-09-05 at 14:08, stevegt@TerraLuna.Org wrote:
> 
> > But why not get mm from current when needed deeper down, rather than
> > pass it in the first place?  That would avoid having to change the
> > interface.
> 
> That's what the 2.6 host-skas patch already does.  Remember, the
> host-skas3 patch is a quickish hack to get the needed functionality, not
> an interface change frozen in stone.

So that sounds like it answers one of my first questions -- there's
actually no special context that needs to be preserved down through the
call stack, so neither mm nor current need to be explicitly passed at
all?  I.E.  the global current is still current all the way down?  I was
beginning to suspect that there was something about UML's interaction
with the host that made current not be valid deeper down.

If I fix this by creating a new patch, can we post it as skas3.1 or
something?  It looks like it would satisfy a lot of people's problem
with the interface change on 2.4 kernels.

Steve
-- 
Steve Traugott  (KG6HDQ)
Speaker Coordinator, Silicon Valley Linux Users Group
http://www.svlug.org
--
UNIX/Linux Infrastructure Architect, TerraLuna LLC
stevegt@TerraLuna.Org   
http://www.stevegt.com


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  reply	other threads:[~2003-09-05 21:47 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-09-05  2:06 [uml-devel] SKAS: Why pass mm vs. current? stevegt
2003-09-05 20:12 ` Jeff Dike
2003-09-05 21:08   ` stevegt
2003-09-05 21:28     ` Bryan O'Sullivan
2003-09-05 21:47       ` stevegt [this message]
2003-09-05 21:53         ` Bryan O'Sullivan
2003-09-08 22:51           ` Adam Heath

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