linux-kernel - Re: [PATCH 0/5] add bus driver for Unisys s-Par paravirtualized devices to arch/x86

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Message-ID: <wrfj8tz7z72p.fsf@redhat.com>
Date:	Wed, 18 May 2016 12:03:58 -0400
From:	Jes Sorensen <Jes.Sorensen@...hat.com>
To:	Greg KH <gregkh@...uxfoundation.org>
Cc:	David Kershner <david.kershner@...sys.com>, corbet@....net,
	tglx@...utronix.de, mingo@...hat.com, hpa@...or.com,
	erik.arfvidson@...sys.com, timothy.sell@...sys.com,
	hofrat@...dl.org, dzickus@...hat.com, alexander.curtin@...sys.com,
	janani.rvchndrn@...il.com, sudipm.mukherjee@...il.com,
	prarit@...hat.com, david.binder@...sys.com, nhorman@...hat.com,
	dan.j.williams@...el.com, linux-kernel@...r.kernel.org,
	linux-doc@...r.kernel.org, driverdev-devel@...uxdriverproject.org,
	sparmaintainer@...sys.com
Subject: Re: [PATCH 0/5] add bus driver for Unisys s-Par paravirtualized devices to arch/x86

Greg KH <gregkh@...uxfoundation.org> writes:
> On Tue, May 17, 2016 at 07:49:53PM -0400, Jes Sorensen wrote:
>> > Ok, but still no need to put it under arch/ anything, it should go in
>> > drivers/ like all other drivers and busses are, no matter what the arch
>> > it happens to run on is.
>> 
>> I don't think thats obvious. arch/x86/kvm is an example of this, Sparc
>> and PPC also have their stuff under arch/.
>
> For some things, yes, but let's not make the same mistakes as others :)
>
> Look at drivers/hv/ for an example of a very x86-only bus and driver
> subsystem living in drivers/  Please don't burry driver stuff in arch/
> the ARM developers are trying to fix their mistakes of the past and move
> all of their cruft out of arch/ for that reason.

Works for me.

So should they put it in drivers/visorbus or drivers/bus/visorbus?  What
about drivers/virt? Would you suggest hv and xen gets moved in there?

Cheers,
Jes