From: afzal mohammed <afzal.mohd.ma@gmail.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: David Howells <dhowells@redhat.com>,
linux-arch <linux-arch@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
"open list:DOCUMENTATION" <linux-doc@vger.kernel.org>,
linux-block <linux-block@vger.kernel.org>,
IDE-ML <linux-ide@vger.kernel.org>,
"open list:HID CORE LAYER" <linux-input@vger.kernel.org>,
Networking <netdev@vger.kernel.org>,
linux-wireless <linux-wireless@vger.kernel.org>,
linux-pwm@vger.kernel.org, linux-rtc@vger.kernel.org,
linux-spi <linux-spi@vger.kernel.org>,
linux-usb@vger.kernel.org,
dri-devel <dri-devel@lists.freedesktop.org>,
linux-fbdev@vger.kernel.org, linux-watchdog@vger.kernel.org,
Linux FS-devel Mailing List <linux-fsdevel@vger.kernel.org>,
Linux-MM <linux-mm@kvack.org>
Subject: Re: [PATCH 00/16] remove eight obsolete architectures
Date: Fri, 16 Mar 2018 10:20:16 +0530 [thread overview]
Message-ID: <20180316045016.GA7697@afzalpc> (raw)
In-Reply-To: <CAK8P3a10hBz7QYk5v5MfhVMPOwFnWYTn95WZp1HtHrd7-GQpRg@mail.gmail.com>
Hi,
On Thu, Mar 15, 2018 at 10:56:48AM +0100, Arnd Bergmann wrote:
> On Thu, Mar 15, 2018 at 10:42 AM, David Howells <dhowells@redhat.com> wrote:
> > Do we have anything left that still implements NOMMU?
Please don't kill !MMU.
> Yes, plenty.
> I've made an overview of the remaining architectures for my own reference[1].
> The remaining NOMMU architectures are:
>
> - arch/arm has ARMv7-M (Cortex-M microcontroller), which is actually
> gaining traction
ARMv7-R as well, also seems ARM is coming up with more !MMU's - v8-M,
v8-R. In addition, though only of academic interest, ARM MMU capable
platform's can run !MMU Linux.
afzal
> - arch/sh has an open-source J2 core that was added not that long ago,
> it seems to
> be the only SH compatible core that anyone is working on.
> - arch/microblaze supports both MMU/NOMMU modes (most use an MMU)
> - arch/m68k supports several NOMMU targets, both the coldfire SoCs and the
> classic processors
> - c6x has no MMU
next prev parent reply other threads:[~2018-03-16 4:50 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-14 14:34 [PATCH 00/16] remove eight obsolete architectures Arnd Bergmann
2018-03-14 14:43 ` [PATCH 11/16] treewide: simplify Kconfig dependencies for removed archs Arnd Bergmann
2018-03-15 12:54 ` Kalle Valo
2018-03-19 23:06 ` Alexandre Belloni
2018-03-15 9:42 ` [PATCH 00/16] remove eight obsolete architectures David Howells
2018-03-15 9:48 ` Geert Uytterhoeven
2018-03-15 16:56 ` rfc: remove print_vma_addr ? (was Re: [PATCH 00/16] remove eight obsolete architectures) Joe Perches
2018-03-15 17:08 ` Matthew Wilcox
2018-03-15 17:13 ` Joe Perches
2018-03-15 9:56 ` [PATCH 00/16] remove eight obsolete architectures Arnd Bergmann
2018-03-16 4:50 ` afzal mohammed [this message]
2018-03-15 9:59 ` Hannes Reinecke
2018-03-15 10:42 ` Arnd Bergmann
2018-03-15 14:17 ` Christoph Hellwig
2018-03-20 17:11 ` Palmer Dabbelt
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