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Re: [PATCH 01/50] x86/boot/e820: Introduce arch/x86/include/asm/e820/types.h

From Joe Perches <joe@perches.com>
Newsgroups linux.kernel
Subject Re: [PATCH 01/50] x86/boot/e820: Introduce arch/x86/include/asm/e820/types.h
Date 2017-01-31 19:10 +0100
Message-ID <t5L2q-3UK-37@gated-at.bofh.it> (permalink)
References (3 earlier) <t5f2x-1hX-7@gated-at.bofh.it> <t5zui-5gO-33@gated-at.bofh.it> <t5JMZ-2ZV-5@gated-at.bofh.it> <t5KpJ-3sq-35@gated-at.bofh.it> <t5L2q-3UK-39@gated-at.bofh.it>
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On Tue, 2017-01-31 at 19:00 +0100, Ingo Molnar wrote:
> * Sam Ravnborg <sam@ravnborg.org> wrote:
> > In this thread we have covered one rational reason to push thus
> > burden to user space - to give the kernel the freedom to repair
> > past stupidity (being that in naming or some other sort).
> 
> There's no real "burden" for heaven's sake: it's having to execute a 'cp' every 
> now and then and check whether the result still builds (it will build just fine in 
> the overwhelming majority of cases).

Defining what is it that encompasses "userspace", the
thing that's nominally guaranteed to "not be broken",
here is the real question.

Is it just the ABI or is it more than that?

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Re: [PATCH 01/50] x86/boot/e820: Introduce  arch/x86/include/asm/e820/types.h Sam Ravnborg <sam@ravnborg.org> - 2017-01-31 06:50 +0100
  Re: [PATCH 01/50] x86/boot/e820: Introduce  arch/x86/include/asm/e820/types.h Ingo Molnar <mingo@kernel.org> - 2017-01-31 17:50 +0100
    Re: [PATCH 01/50] x86/boot/e820: Introduce  arch/x86/include/asm/e820/types.h Sam Ravnborg <sam@ravnborg.org> - 2017-01-31 18:30 +0100
      Re: [PATCH 01/50] x86/boot/e820: Introduce  arch/x86/include/asm/e820/types.h Joe Perches <joe@perches.com> - 2017-01-31 19:10 +0100
      Re: [PATCH 01/50] x86/boot/e820: Introduce  arch/x86/include/asm/e820/types.h Ingo Molnar <mingo@kernel.org> - 2017-01-31 19:10 +0100
        Re: [PATCH 01/50] x86/boot/e820: Introduce  arch/x86/include/asm/e820/types.h Sam Ravnborg <sam@ravnborg.org> - 2017-01-31 20:30 +0100
          Re: [PATCH 01/50] x86/boot/e820: Introduce  arch/x86/include/asm/e820/types.h Ingo Molnar <mingo@kernel.org> - 2017-02-01 10:00 +0100

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