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From: Jerome Oufella <>
To: Arnd Bergmann <>
Cc: martinwguy <>,
	Russell King <>,
	Hartley Sweeten <>,
	Alexander Sverdlin <>,
	SoC Team <>,
	Nikita Shubin <>,
	Arnd Bergmann <>, Oleg Nesterov <>,
	Hubert Feurstein <>,
	Lukasz Majewski <>,
	Catalin Marinas <>,
	Will Deacon <>,
	Nathan Chancellor <>,
	Nick Desaulniers <>,
	Linus Walleij <>,
	Linux ARM <>,
	Linux Kernel Mailing List <>,
	clang-built-linux <>
Subject: Re: [PATCH] ARM: ep93xx: remove MaverickCrunch support
Date: Tue, 3 Aug 2021 11:52:09 -0400 (EDT)	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On Aug 3, 2021, at 7:58 AM, Arnd Bergmann wrote:

> On Tue, Aug 3, 2021 at 1:41 PM Martin Guy <> wrote:
>> I forward opinion from people currently producing and supporting EP93XX boards:
> Thanks a lot for bringing them in. I definitely don't want to remove support for
> something that is actively being used, and we don't have to merge the patch
> if they currently rely on MaverickCrunch on older platforms.
> It does sound however like Jerome's customers are using a normal (softfloat)
> Linus distro on EP93xx, rather than one using the original MaverickCrunch
> FPU instructions. There are no plans to discontinue EP93xx support, there
> is actually a good amount of recent work going into updating the platform.
> Jerome, please let me know if I understood you correctly here. If your
> customers do rely on MaverickCrunch support in user space, I would
> leave that in the kernel for as long as ep93xx itself is supported, and instead
> require building support with the GNU assembler to avoid having to
> add support to the clang integrated assembler. If you don't know of anyone
> using MaverickCrunch, I would go ahead with my patch to remove kernel
> support.
>      Arnd


You are correct on assuming usage of softfloat toolchains and not
using the MaverickCrunch unit. AFAIK, I am not aware of active users
of this FPU on recent setups.


  parent reply	other threads:[~2021-08-03 15:59 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <>
2021-08-02 15:45 ` Martin Guy
2021-08-03 11:40   ` Martin Guy
     [not found]     ` <>
2021-08-03 15:52       ` Jerome Oufella [this message]
2021-08-03 12:12   ` Linus Walleij

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