linux-kernel - Re: [PATCH v2] x86: Remove compat vdso support

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Date:	Tue, 11 Mar 2014 10:09:31 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Andy Lutomirski <luto@...capital.net>
Cc:	"H. Peter Anvin" <hpa@...ux.intel.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Stefani Seibold <stefani@...bold.net>,
	"the arch/x86 maintainers" <x86@...nel.org>,
	Dave Jones <davej@...hat.com>,
	Martin Runge <Martin.Runge@...de-schwarz.com>,
	Andreas Brief <Andreas.Brief@...de-schwarz.com>
Subject: Re: [PATCH v2] x86: Remove compat vdso support

On Tue, Mar 11, 2014 at 9:50 AM, Andy Lutomirski <luto@...capital.net> wrote:
> Looking forward, would it be reasonable to have an extensible set of
> flags that live in the ELF interpreter's headers somewhere

No. Not reasonable. The whole "32-bit x86" and "looking forward"
combination makes absolutely zero sense.

I can pretty much guarantee that even *phones* will be 64-bit if/when
x86 ever gets there. They'll need it just for ARM emulation, I bet.

So 32-bit x86 is dead, dead, dead. There's absolutely no future to it.
We're not adding new stuff to "future-proof" it.

              Linus
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