linux-kernel - Re: [RFC 7/8] drivers: introduce rpmsg, a remote-processor messaging bus

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Message-ID: <87d3f2hdey.fsf@rustcorp.com.au>
Date:	Thu, 15 Sep 2011 09:42:05 +0930
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Ohad Ben-Cohen <ohad@...ery.com>
Cc:	linux-omap@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, akpm@...ux-foundation.org,
	Brian Swetland <swetland@...gle.com>,
	Arnd Bergmann <arnd@...db.de>,
	Grant Likely <grant.likely@...retlab.ca>,
	davinci-linux-open-source 
	<davinci-linux-open-source@...ux.davincidsp.com>
Subject: Re: [RFC 7/8] drivers: introduce rpmsg, a remote-processor messaging bus

On Wed, 14 Sep 2011 21:38:43 +0300, Ohad Ben-Cohen <ohad@...ery.com> wrote:
> Hi Rusty,
> 
> On Wed, Jun 22, 2011 at 1:46 PM, Ohad Ben-Cohen <ohad@...ery.com> wrote:
> > On Wed, Jun 22, 2011 at 5:42 AM, Rusty Russell <rusty@...tcorp.com.au> wrote:
> >> On Tue, 21 Jun 2011 10:18:33 +0300, Ohad Ben-Cohen <ohad@...ery.com> wrote:
> >>> +#define VIRTIO_ID_RPMSG              10 /* virtio remote processor messaging */
> >>
> >> I think you want 6.  Plan 9 jumped ahead to grab 9 :)
> >
> > 6 it is :)
> 
> Looking at the virtio-spec, it seems that 6 is taken by 'ioMemory'.
> There's no indication for it in virtio_ids.h though, and the
> virtio-spec has no appendix for this id, so maybe it's available after
> all ?
> 
> If it is available, I'll take it for rpmsg, and will also update
> virtio-spec appropriately. Otherwise, we'll settle on 7 ? :)

7... numbers are cheap :)

Cheers,
Rusty.
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