linux-kernel - Re: Can we drop upstream Linux x32 support?

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Date:   Wed, 12 Dec 2018 11:12:31 -0800
From:   Andy Lutomirski <luto@...nel.org>
To:     qmastery16@...il.com
Cc:     "Joseph S. Myers" <joseph@...esourcery.com>,
        Arnd Bergmann <arnd@...db.de>, tg@...bsd.de,
        Andrew Lutomirski <luto@...nel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        X86 ML <x86@...nel.org>, LKML <linux-kernel@...r.kernel.org>,
        Linux API <linux-api@...r.kernel.org>,
        "H. Peter Anvin" <hpa@...or.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Borislav Petkov <bp@...en8.de>,
        Florian Weimer <fweimer@...hat.com>,
        Mike Frysinger <vapier@...too.org>,
        "H. J. Lu" <hjl.tools@...il.com>, Rich Felker <dalias@...c.org>,
        x32@...ldd.debian.org, Will Deacon <will.deacon@....com>,
        Catalin Marinas <catalin.marinas@....com>
Subject: Re: Can we drop upstream Linux x32 support?

On Wed, Dec 12, 2018 at 10:50 AM Ivan Ivanov <qmastery16@...il.com> wrote:
>
> Please don't drop x86 support from the Linux kernel ! You may not
> realize it, but there are plenty of people who care about x86 systems.
> I have a good old Pentium 4 based computer which is 32-bit, using it
> for some weird Linux experiments + retro gaming, and if I can't run
> new Linux kernels there - it would be SAD

Just to clarify: no one is proposing to drop 32-bit hardware support
or normal x86 compatibility support from new kernels.

That being said, you should seriously consider replacing that P4.
Unless you live somewhere with *very* cheap power or you barely use
it, replacing it will pay for itself quite quickly.