Messages in this thread | | | From | Geert Uytterhoeven <> | Date | Thu, 17 Mar 2022 08:38:40 +0100 | Subject | Re: [PATCH 1/2] ARM: remove support for NOMMU ARMv4/v5 |
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Hi Arnd,
On Wed, Mar 16, 2022 at 10:13 PM Arnd Bergmann <arnd@kernel.org> wrote: > From: Arnd Bergmann <arnd@arndb.de> > > It is possible to build MMU-less kernels for Cortex-M base > microcrontrollers as well as a couple of older platforms that > have not been converted to CONFIG_ARCH_MULTIPLATFORM, > specifically ep93xx, footbridge, dove, sa1100 and s3c24xx. > > It seems unlikely that anybody has tested those configurations > in recent years, as even building them is frequently broken. > A patch I submitted caused another build time regression > in this configuration. I sent a patch for that, but it seems > better to also remove the option entirely, leaving ARMv7-M > as the only supported Arm NOMMU target for simplicity. > > A couple of platforms have dependencies on CONFIG_MMU, those > can all be removed now. Notably, mach-integrator tries to > support MMU-less CPU cores, but those have not actually been > selectable for a long time. > > This addresses several build failures in randconfig builds that > have accumulated over the years. > > Cc: Vladimir Murzin <vladimir.murzin@arm.com> > Cc: Russell King <linux@armlinux.org.uk> > Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Thanks for your patch!
Always feeling sad when seeing a feature is removed...
> arch/arm/mach-shmobile/Kconfig | 2 +-
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Gr{oetje,eeting}s,
Geert
-- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
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