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SubjectRe: [PATCH] lib: Add CRC64 ECMA module
On Mon, 29 Jul 2013 11:49:31 +0000 Chereji Marian-Cornel-R27762 <R27762@freescale.com> wrote:

> -----Original Message-----
> From: Andrew Morton [mailto:akpm@linux-foundation.org]
> Sent: Saturday, July 27, 2013 1:01 AM
> To: Chereji Marian-Cornel-R27762
> Cc: linux-kernel@vger.kernel.org; Grigore Sebastian-SGRIGOR1; Schmitt Richard-B43082; Fleming Andy-AFLEMING
> Subject: Re: [PATCH] lib: Add CRC64 ECMA module
>
> On Fri, 12 Jul 2013 11:56:26 +0300 Marian Chereji <marian.chereji@freescale.com> wrote:
>
> > Added implementation of CRC64 ECMA checksum.
> >
> > Signed-off-by: Marian Chereji <marian.chereji@freescale.com>
> > Reviewed-by: Varvara Andrei-B21317 <andrei.varvara@freescale.com>
> > Reviewed-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>
> > ---
> > include/linux/crc64_ecma.h | 56 +++++++
> > lib/Kconfig | 7 +
> > lib/Makefile | 1 +
> > lib/crc64_ecma.c | 341 ++++++++++++++++++++++++++++++++++++++++++++
> >
> > Presumably you have some code which will need this library feature?
> >
> > What code is that, and what is its status?
> >
>
> Hi Andrew,
>
> we have an IP Acceleration driver for Freescale network processors
> which is using this CRC64. However, it still needs some work in
> order for it to become upstreamable.
>
> Thought this CRC64 could helps others in the meantime since it doesn't
> have anything specific to do with our driver.

Please don't top-post - it makes it very hard to conduct a conversation.

I don't think it's generally desirable to put code into lib/ unless we
have an in-kernel user: it consumes resources and is untestable. From
a quick grep I don't see any current in-kernel code which might use
this.

So I'd propose that I keep this patch in -mm to get a bit of exposure
and compilation testing and wait until the first user comes along, OK?



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