linux-kernel - Re: [PATCH 2/2] ARM: remove support for NOMMU ARMv4/v5

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Date:   Thu, 10 Mar 2022 02:29:39 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Arnd Bergmann <arnd@...nel.org>
Cc:     Vladimir Murzin <vladimir.murzin@....com>,
        Robin Murphy <robin.murphy@....com>,
        Russell King <linux@...linux.org.uk>,
        Arnd Bergmann <arnd@...db.de>,
        kernel test robot <lkp@...el.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>,
        Ard Biesheuvel <ardb@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Mark Rutland <mark.rutland@....com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>,
        Anshuman Khandual <anshuman.khandual@....com>
Subject: Re: [PATCH 2/2] ARM: remove support for NOMMU ARMv4/v5

On Wed, Mar 9, 2022 at 5:38 PM Arnd Bergmann <arnd@...nel.org> wrote:

> Any opinion on removing CPU_ARM{7TDMI,740T,940T,946E}?

7TDMI was/is extremely prolific, it is everywhere (such as in CSR/SiRF
GPS chips, SD cards, hard disks, a lot of sensors and what not).

That said I have never seen one of these systems with enough memory
to boot a recent Linux kernel. I think with the failure to push the kernel
footprint down (due to lack of interest) they don't really have a future as
Linux targets. They all run $small_os.

Yours,
Linus Walleij