linux-kernel - Re: [PATCH] hexdump: Add ability to do endian conversions in print_hex

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Message-Id: <20151209144535.1e8f4ed8a8d5d070d574d59f@linux-foundation.org>
Date:	Wed, 9 Dec 2015 14:45:35 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Joe Perches <joe@...ches.com>
Cc:	linux-kernel@...r.kernel.org,
	Andy Shevchenko <andy.shevchenko@...il.com>,
	Rasmus Villemoes <linux@...musvillemoes.dk>,
	Rob Herring <robh+dt@...nel.org>
Subject: Re: [PATCH] hexdump: Add ability to do endian conversions in
 print_hex_dump functions

On Wed, 09 Dec 2015 14:16:36 -0800 Joe Perches <joe@...ches.com> wrote:

> On Wed, 2015-12-09 at 14:09 -0800, Andrew Morton wrote:
> > On Wed,____9 Dec 2015 13:59:30 -0800 Joe Perches <joe@...ches.com> wrote:
> > 
> > > There are use cases for dumping buffers with specific endian types
> > > for 2, 4, and 8 byte variables in arrays.
> > > 
> > > Add an enum for DUMP_TYPE_(LE|BE|CPU) to enable emitting them as such.
> > > 
> > > Rename groupsize to groupflags in the functions and add documentation
> > > to the kernel-doc to describe the use of the DUMP_TYPE_ enum.
> > 
> > What are these use cases?
> 
> Buffers that contain LE or BE arrays that want
> to be emitted by print_hex_dump.

Make that "where are".

> > Will patches be forthcoming to convert them?
> 
> Sure, after a settling period for Masahiro's patch
> to be applied upstream.
> 
> https://lkml.org/lkml/2015/12/8/480

One single callsite under #ifdef DEBUG?  Doesn't seem to warrant adding
code and complexity to core library functions.

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