linux-kernel - Re: [GIT PULL] CRIS: Drop support for the CRIS-port

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Message-ID: <20180313092638.GC17177@axis.com>
Date:   Tue, 13 Mar 2018 10:26:38 +0100
From:   Jesper Nilsson <jesper.nilsson@...s.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Jesper Nilsson <jespern@...s.com>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Michal Simek <monstr@...str.eu>,
        Andi Kleen <ak@...ux.intel.com>,
        Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
        linux-cris-kernel@...s.com, Petr Mladek <pmladek@...e.com>,
        Peter Zijlstra <peterz@...radead.org>,
        adi-buildroot-devel@...ts.sourceforge.net,
        Steven Rostedt <rostedt@...dmis.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Jesper Nilsson <jesper@....nu>,
        Greentime Hu <green.hu@...il.com>, Tejun Heo <tj@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Vincent Chen <deanbo422@...il.com>,
        Dave Young <dyoung@...hat.com>
Subject: Re: [GIT PULL] CRIS: Drop support for the CRIS-port

On Mon, Mar 12, 2018 at 09:21:25PM +0100, Arnd Bergmann wrote:
> On Sun, Mar 11, 2018 at 12:05 PM, Jesper Nilsson
> <jesper.nilsson@...s.com> wrote:
> > Hi Arnd,
> >
> > As promised, pull the below tag for the removal of the CRIS-port.
> > There are still a few references to the CRIS port left, and they
> > can be grouped into two categories:
> >
> > - Examples or references to the CRIS port as provenance.
> >         These I believe can be left as is.
> >
> > - The workarounds for CRIS not having "unpacked" structs.
> >         When I looked at it 10 years ago, CRIS was the only port
> >         that needed explicit alignment of some structs,
> >         due to pointers being valid at any byte offset in CRIS,
> >         which would wreak havoc with code that assumed that the
> >         lower bits of a pointer are free to use as flags.
> >         I'm leaving these in until we can say that no newer
> >         port has the same problem.
> >
> > Best regards,
> 
> Hi Jesper,
> 
> Thanks for the patch! I had done a slightly different approach, but
> am merging your changes into my tree now. I already have separate
> patches for each driver subsystem, so I'll keep my versions, having
> already made sure that your changes were identical.
> 
> For Documentation/features and the Kconfig files that have lists
> of architectures, I also have separate patches that do the changes
> for all architectures, to avoid touching those files (up to) eight times
> for one trivial change each. I could redo those, but since your patch
> conflicts with David Howell's patch for mn10300, it's easier to keep
> what I already have.
> 
> This leaves basically the removal of arch/cris along with the MAINTAINER
> file update. I'm keeping the patch I did, but change the author and
> changelog text to what you sent, with my Signed-off-by and a list
> of my modifications) added below.
> 
> Hope that works for you.

Yeah, no problem, and thanks.

>      Arnd

/^JN - Jesper Nilsson
-- 
               Jesper Nilsson -- jesper.nilsson@...s.com