linux-kernel - RE: [PATCHv3 4/4] MAINTAINERS: Remove powerpc's opal match

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Message-ID: <DF4PR84MB0169EEA591FC3735FA9B0DCDAB5D0@DF4PR84MB0169.NAMPRD84.PROD.OUTLOOK.COM>
Date:   Fri, 17 Feb 2017 16:40:56 +0000
From:   "Elliott, Robert (Persistent Memory)" <elliott@....com>
To:     Jon Derrick <jonathan.derrick@...el.com>,
        Michael Ellerman <mpe@...erman.id.au>
CC:     Jens Axboe <axboe@...nel.dk>,
        Rafael Antognolli <rafael.antognolli@...el.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-block@...r.kernel.org" <linux-block@...r.kernel.org>,
        "linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
        Christoph Hellwig <hch@....de>,
        Scott Bauer <scott.bauer@...el.com>
Subject: RE: [PATCHv3 4/4] MAINTAINERS: Remove powerpc's opal match



> -----Original Message-----
> From: linux-block-owner@...r.kernel.org [mailto:linux-block-
> owner@...r.kernel.org] On Behalf Of Jon Derrick
> Sent: Thursday, February 16, 2017 10:15 AM
> To: Michael Ellerman <mpe@...erman.id.au>
> Cc: Jens Axboe <axboe@...nel.dk>; Rafael Antognolli
> <rafael.antognolli@...el.com>; Greg Kroah-Hartman
> <gregkh@...uxfoundation.org>; linux-kernel@...r.kernel.org; linux-
> block@...r.kernel.org; linuxppc-dev@...ts.ozlabs.org; Christoph Hellwig
> <hch@....de>; Scott Bauer <scott.bauer@...el.com>
> Subject: Re: [PATCHv3 4/4] MAINTAINERS: Remove powerpc's opal match
> 
> Thanks everyone. Sorry about the mess :)
> 
> On 02/15/2017 10:23 PM, Michael Ellerman wrote:
> > Jon Derrick <jonathan.derrick@...el.com> writes:
> >
> >> PPC's 'opal' match pattern also matches block/sed-opal.c, where it looks
> >> like the 'arch/powerpc' file pattern should be enough to match powerpc
> >> opal code by itself. Remove the opal regex pattern from powerpc.
> >
> > We thought of it first.
> >
> > Can't you just rename your driver, Opal Storage Specification, so "oss",
> > that should be pretty unique?
> >
> > ... :)

The library could easily be used for devices supporting the Opalite and Pyrite 
SSCs, not just the Opal SSC. With some effort, I suspect that Enterprise SSC
could also be supported.  So, a broader name might indeed be useful.

The full names of the specifications are:
TCG Storage Security Subsystem Class: Opal
TCG Storage Security Subsystem Class: Opalite
TCG Storage Security Subsystem Class: Pyrite
TCG Storage Security Subsystem Class: Enterprise

---
Robert Elliott, HPE Persistent Memory