linux-kernel - Re: [PATCH v10] mmc : general purpose partition support.

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Message-ID: <m2y5x0k40l.fsf@bob.laptop.org>
Date:	Tue, 04 Oct 2011 14:25:46 -0400
From:	Chris Ball <cjb@...top.org>
To:	"S\, Venkatraman" <svenkatr@...com>
Cc:	Namjae Jeon <linkinjeon@...il.com>, linux-mmc@...r.kernel.org,
	linux-kernel@...r.kernel.org, awarkentin@...are.com,
	adrian.hunter@...el.com, linus.walleij@...aro.org,
	james_p_freyensee@...ux.intel.com, sebras@...il.com,
	Ulf.Hansson@...ricsson.com, stefan.xk.nilsson@...ricsson.com,
	per.forlin@...ricsson.com, johan.rudholm@...ricsson.com
Subject: Re: [PATCH v10] mmc : general purpose partition support.

Hi,

On Tue, Oct 04 2011, S, Venkatraman wrote:
> Stupid question - This will affect all MMC instances, right ? Doesn't
> this constitute a ABI breakage for user space scripts ?

As I understand it, these partitions were simply not accessible before
this patch:  we're not renaming mmcblkNpY to anything else, we're adding
support for mmcblkNgpY partitions, which are part of the "MMC General
Purpose Partition" spec, and are partitioned separately and not
currently available to userspace.

So, I don't see what would constitute breakage.  Does that clear it up?

Thanks,

- Chris.
-- 
Chris Ball   <cjb@...top.org>   <http://printf.net/>
One Laptop Per Child
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