linux-kernel - Re: [PATCH] staging: android: binder: move to the "real" part of the kernel

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Date:	Tue, 21 Oct 2014 12:01:21 +0200
From:	Pavel Machek <pavel@....cz>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	"Michael Kerrisk (man-pages)" <mtk.manpages@...il.com>,
	lkml <linux-kernel@...r.kernel.org>, devel@...verdev.osuosl.org,
	Linux API <linux-api@...r.kernel.org>,
	Santosh Shilimkar <santosh.shilimkar@...com>,
	John Stultz <john.stultz@...aro.org>,
	Arve Hjønnevåg <arve@...roid.com>,
	Sumit Semwal <sumit.semwal@...aro.org>,
	Rebecca Schultz Zavin <rebecca@...roid.com>,
	Christoffer Dall <christoffer.dall@...aro.org>,
	Anup Patel <anup.patel@...aro.org>
Subject: Re: [PATCH] staging: android: binder: move to the "real" part of the
 kernel

On Fri 2014-10-17 01:14:57, Greg Kroah-Hartman wrote:
> On Thu, Oct 16, 2014 at 04:18:02PM +0200, Michael Kerrisk (man-pages) wrote:
> > On Thu, Oct 16, 2014 at 2:47 PM, Greg Kroah-Hartman
> > <gregkh@...uxfoundation.org> wrote:
> > > From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> > >
> > > The Android binder code has been "stable" for many years now.  No matter
> > > what comes in the future, we are going to have to support this API, so
> > > might as well move it to the "real" part of the kernel as there's no
> > > real work that needs to be done to the existing code.
> > 
> > Where does one find the canonical documentation of the user-space API?
> 
> There really is only one "canonical" thing, and that is in the libbinder
> code in the Android userspace repository.  And it's not really
> "documentation" so much as, "a C file that interacts with the ioctls in
> the binder kernel code" :(
> 
> Think of this as just a random character driver with some funny ioctls
> that will never get really documented as there is only one user of it.

This is not random character driver, it is communication mechanism. It
should _not_ be a character driver.

And it should really be documented.
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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