linux-kernel - Re: [PATCH] dt/sparc: Introduce the use of the managed version of kzalloc

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Date:	Fri, 23 May 2014 07:35:47 +0800 (SGT)
From:	Julia Lawall <julia.lawall@...6.fr>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
cc:	Himangi Saraogi <himangi774@...il.com>,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dt/sparc: Introduce the use of the managed version of
 kzalloc



On Fri, 23 May 2014, Julia Lawall wrote:

>
>
> On Thu, 22 May 2014, Dmitry Torokhov wrote:
>
> > Hi Himangi,
> >
> > On Fri, May 23, 2014 at 01:04:30AM +0530, Himangi Saraogi wrote:
> > > This patch moves data allocated using kzalloc to managed data allocated
> > > using devm_kzalloc and cleans now unnecessary kfrees in probe and remove
> > > functions. Also the unnecessary labels are done away with.
> >
> > Please no more partial devm conversions. I am not interested in patches
> > that change only 1 resource to be managed and leaving the rest as is.
> >
> > If you want to do devm conversion please do it if you convert all (or at
> > least majority) of resource handling to managed resources.
>
> Sorry, I don't think we are clear on what is wanted.  Himangi's patches
> convert everything where a devm function is already available (to our
> knowledge).  Do you prefer that new devm functions be introduced?  On the
> one hand, that is perhaps useful from a safety point of view.  On the
> other hand, it could lead to a huge number of rarely used devm functions
> that no one knows about and to a lot of code diversity.  So I don't know
> what is the good solution.

I guess that the concrete problem is of_ioremap?  Since that is a pretty
common function, I guess it could be reasonable to introduce a devm
function for it as well.  Or maybe one already exists and we overlooked
it.

julia
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