linux-kernel - Re: [RFC PULL] remove arch/h8300

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Date:   Tue, 5 Apr 2022 08:34:20 +0900
From:   Damien Le Moal <damien.lemoal@...nsource.wdc.com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        Arnd Bergmann <arnd@...db.de>
Cc:     Christoph Hellwig <hch@...radead.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-arch <linux-arch@...r.kernel.org>,
        "moderated list:H8/300 ARCHITECTURE" 
        <uclinux-h8-devel@...ts.sourceforge.jp>,
        "open list:TENSILICA XTENSA PORT (xtensa)" 
        <linux-xtensa@...ux-xtensa.org>, Max Filippov <jcmvbkbc@...il.com>,
        Linux-sh list <linux-sh@...r.kernel.org>,
        linux-m68k <linux-m68k@...ts.linux-m68k.org>,
        Greg Ungerer <gerg@...ux-m68k.org>,
        Damien Le Moal <damien.lemoal@....com>,
        linux-riscv <linux-riscv@...ts.infradead.org>,
        Rich Felker <dalias@...c.org>
Subject: Re: [RFC PULL] remove arch/h8300

On 4/4/22 22:22, Geert Uytterhoeven wrote:
> Hi Arnd,
> 
> On Mon, Apr 4, 2022 at 3:09 PM Arnd Bergmann <arnd@...db.de> wrote:
>> On Sun, Apr 3, 2022 at 2:43 PM Christoph Hellwig <hch@...radead.org> wrote:
>>> On Tue, Mar 08, 2022 at 09:19:16AM +0100, Arnd Bergmann wrote:
>>>> If there are no other objections, I'll just queue this up for 5.18 in
>>>> the asm-generic
>>>> tree along with the nds32 removal.
>>>
>>> So it is the last day of te merge window and arch/h8300 is till there.
>>> And checking nw the removal has also not made it to linux-next.  Looks
>>> like it is so stale that even the removal gets ignored :(
>>
>> I was really hoping that someone else would at least comment.
> 
> Doh, I hadn't seen this patch before ;-)
> Nevertheless, I do not have access to H8/300 hardware.
> 
>> 3. arch/sh j2 support was added in 2016 and doesn't see a lot of
>> changes, but I think
>>     Rich still cares about it and wants to add J32 support (with MMU)
>> in the future
> 
> Yep, when the SH4 patents will have expired.
> I believe that's planned for 2016 (Islamic calendar? ;-)
> 
> BTW, the unresponsiveness of the SH maintainers is also annoying.
> Patches are sent to the list (sometimes multiple people are solving
> the same recurring issue), but ignored.
> 
> Anyway, I do regular boot tests on SH4.
> 
>> 5. K210 was added in 2020. I assume you still want to keep it.
> 
> FTR, I do regular boot tests on K210.

FYI, we identified the problem that makes userspace execution unreliable.
Working on a fix.


-- 
Damien Le Moal
Western Digital Research