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Subject: Re: Arches that don't support PREEMPT
From:   John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
To:     Matthew Wilcox <willy@infradead.org>,
        Thomas Gleixner <tglx@linutronix.de>
Cc:     Linus Torvalds <torvalds@linux-foundation.org>,
        Peter Zijlstra <peterz@infradead.org>,
        Ankur Arora <ankur.a.arora@oracle.com>,
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        konrad.wilk@oracle.com, jgross@suse.com, andrew.cooper3@citrix.com,
        Geert Uytterhoeven <geert@linux-m68k.org>,
        linux-m68k@lists.linux-m68k.org,
        Richard Weinberger <richard@nod.at>,
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        linux-hexagon@vger.kernel.org,
        Richard Henderson <richard.henderson@linaro.org>,
        Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
        Matt Turner <mattst88@gmail.com>, linux-alpha@vger.kernel.org
Date:   Tue, 19 Sep 2023 15:37:24 +0200
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On Tue, 2023-09-19 at 14:00 +0100, Matthew Wilcox wrote:
> On Tue, Sep 19, 2023 at 02:30:59PM +0200, Thomas Gleixner wrote:
> > Though it just occured to me that there are dragons lurking:
> > 
> > arch/alpha/Kconfig:     select ARCH_NO_PREEMPT
> > arch/hexagon/Kconfig:   select ARCH_NO_PREEMPT
> > arch/m68k/Kconfig:      select ARCH_NO_PREEMPT if !COLDFIRE
> > arch/um/Kconfig:        select ARCH_NO_PREEMPT
> 
> Sounds like three-and-a-half architectures which could be queued up for
> removal right behind ia64 ...

The agreement to kill off ia64 wasn't an invitation to kill off other stuff
that people are still working on! Can we please not do this?

Thanks,
Adrian

-- 
 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer
`. `'   Physicist
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