linux-kernel - Re: Moving drivers into staging (was Re: [GIT PULL] SCSI fixes for 2.6.32-rc3)

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Date:	Wed, 14 Oct 2009 21:00:49 +0200 (CEST)
From:	Stefan Richter <stefanr@...6.in-berlin.de>
To:	Ingo Molnar <mingo@...e.hu>
cc:	Joe Perches <joe@...ches.com>, Greg KH <gregkh@...e.de>,
	"Luis R. Rodriguez" <mcgrof@...il.com>,
	James Bottomley <James.Bottomley@...e.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Theodore Tso <tytso@....edu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-scsi <linux-scsi@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Jing Huang <huangj@...cade.com>, netdev@...r.kernel.org,
	linux-wireless@...r.kernel.org
Subject: Re: Moving drivers into staging (was Re: [GIT PULL] SCSI fixes for
 2.6.32-rc3)

On 14 Oct, Ingo Molnar wrote:
> * Stefan Richter <stefanr@...6.in-berlin.de> wrote:
>> How well do "git am", "quilt import" and friends cope with ever 
>> changing directories?

[Perhaps the -p option does the trick.  And git-am could be done on a
temporary branch from before the move of the files.]

> Once a driver is in a tree it's in Git and git mv is easy. People 
> working with Linux better familiarize themselves with Git workflow - the 
> sooner the better.

Even if author and committer both work with git, they often use e-mail
to transfer patches.

> If it's not in tree then it will adopt to whatever layout there is once 
> it gets into Greg's tree.

Many "good" drivers will start as "ugly" or "bad" ones.

>> How about using drivers/staging/this_driver/TODO and (or) its Kconfig 
>> help text to leave a note about the plans for this driver?
> 
> Well, the answer is obvious i think. Tell me, at a glance, if you see a 
> patch on lkml, which one is for a staging driver to be obsoleted, and 
> which one is the one going upstream real soon? The patches say:
> 
>  +++ a/drivers/staging/foo/x.c
> 
>  +++ a/drivers/staging/bar/y.c
> 
> Then tell me the same at a glance if you see patches for:
> 
>  +++ a/drivers/staging/wip/x.c
> 
>  +++ a/drivers/staging/bad/y.c

Does this information matter much?

What's more interesting is whether development activity will _lead_ to a
driver being moved from bad or ugly to good.
-- 
Stefan Richter
-=====-==--= =-=- -===-
http://arcgraph.de/sr/


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