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

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Message-Id: <FB9A08ED-7D37-44C1-86D1-25E3711E3837@amacapital.net>
Date:   Sat, 15 Dec 2018 07:30:43 -0800
From:   Andy Lutomirski <luto@...capital.net>
To:     Thomas Schoebel-Theuer <tst@...oebel-theuer.de>
Cc:     Andy Lutomirski <luto@...nel.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, Arnd Bergmann <arnd@...db.de>,
        Will Deacon <will.deacon@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: Can we drop upstream Linux x32 support?



> On Dec 14, 2018, at 11:41 PM, Thomas Schoebel-Theuer <tst@...oebel-theuer.de> wrote:
> 
>> On 12/14/18 22:41, Thomas Schöbel-Theuer wrote:
>>> On 12/14/18 22:24, Andy Lutomirski wrote:
>>> 
>>> I'm talking about x32, which is a different beast.
>>> 
>> 
>> So from my viewpoint the mentioned roadmap / timing requirements will remain the same, whatever you are dropping.
>> 
>> Enterprise-critical use cases will probably need to be migrated to KVM/qemu together with their old kernel versions, anyway (because the original hardware will be no longer available in a few decades).
>> 
> 
> Here is a systematic approach to the problem.
> 

This is way off topic. Let’s not discuss it on this thread, please.