linux-kernel - Re: A set of "standard" virtual devices?

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Message-ID: <20070403150042.GK14134@stusta.de>
Date:	Tue, 3 Apr 2007 17:00:42 +0200
From:	Adrian Bunk <bunk@...sta.de>
To:	Andi Kleen <ak@...e.de>
Cc:	Cornelia Huck <cornelia.huck@...ibm.com>,
	Christian Borntraeger <borntrae@...ibm.com>,
	virtualization@...ts.linux-foundation.org,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Virtualization Mailing List <virtualization@...ts.osdl.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	mathiasen@...il.com
Subject: Re: A set of "standard" virtual devices?

On Tue, Apr 03, 2007 at 11:26:52AM +0200, Andi Kleen wrote:
> > 
> > On s390, it would be more than strangeness. There's no implementation
> > of PCI at all, someone would have to cook it up - and it wouldn't have
> > any use beyond those special devices. Since there isn't any bus type
> > that is available on *all* architectures, a generic "virtual" bus with
> > very simple probing seems much saner...
> 
> You just have to change all the distribution installers then. 
> Ok I suppose on s390 that's not that big issue because there are not
> that many for s390. But for x86 there exist quite a lot. I suppose
> it's easier to change it in the kernel.

I don't get this point.

Compared to whatever will be done in the kernel, any change to a 
distribution installer should be trivial.

And a new release of a distribution with a new kernel might anyway 
usually require some updates to an installer.

> -Andi

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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