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From: Andi Kleen <andi@firstfloor.org>
To: Ian Lance Taylor <iant@golang.org>
Cc: Andi Kleen <andi@firstfloor.org>,
	Andy Lutomirski <luto@amacapital.net>,
	"H. Peter Anvin" <hpa@zytor.com>, Rich Felker <dalias@libc.org>,
	Mikael Pettersson <mikpelinux@gmail.com>,
	Russ Cox <rsc@golang.org>, Linux API <linux-api@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	X86 ML <x86@kernel.org>
Subject: Re: [RFC 0/2] __vdso_findsym
Date: Mon, 16 Jun 2014 16:38:01 +0200	[thread overview]
Message-ID: <20140616143801.GJ5714@two.firstfloor.org> (raw)
In-Reply-To: <CAKOQZ8wwKcDAXq0BnHwvL01LQNFeOGwgA9x8kCLWeFaP6USF4A@mail.gmail.com>

> I think this issue started when some of the Go developers questioned
> why the kernel needed to provide a very complex interface--parsing an
> ELF shared shared library--for very simple functionality--looking up
> the address of a magic function.  This approach has required special
> support not just in Go, but also in the dynamic linker and gdb, and
> does not work well for statically linked binaries.  The support in gdb
> is perhaps a good idea, but elsewhere it does not make sense.
> 
> So why not provide a simple interface?

What good would it do now that everyone already supports it?

The proposal is 10+ years too late.

-andi

  reply	other threads:[~2014-06-16 14:38 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-14 18:16 [RFC 0/2] __vdso_findsym Andy Lutomirski
2014-06-14 18:16 ` [RFC 1/2] uapi: Add some missing dynamic table-related definitions to elf.h Andy Lutomirski
2014-06-14 18:16 ` [RFC 2/2] [NOT READY] x86/vdso: Add __vdso_findsym Andy Lutomirski
2014-06-14 21:30 ` [RFC 0/2] __vdso_findsym Rich Felker
2014-06-14 22:38   ` Andy Lutomirski
2014-06-14 23:36     ` H. Peter Anvin
2014-06-15  3:59       ` H. Peter Anvin
2014-06-15  6:49         ` Andy Lutomirski
2014-06-15 14:25 ` Mikael Pettersson
2014-06-15 14:35   ` Rich Felker
2014-06-15 15:47     ` Andy Lutomirski
2014-06-15 17:05     ` H. Peter Anvin
2014-06-15 17:40       ` Andy Lutomirski
2014-06-15 17:57         ` H. Peter Anvin
2014-06-15 18:20           ` Andy Lutomirski
2014-06-15 18:39             ` H. Peter Anvin
2014-06-15 18:54               ` Andy Lutomirski
2014-06-15 19:14                 ` H. Peter Anvin
2014-06-15 19:22                   ` Ian Lance Taylor
2014-06-15 19:31                     ` H. Peter Anvin
2014-06-15 19:50                       ` Ian Lance Taylor
2014-06-15 19:56                         ` H. Peter Anvin
2014-06-15 20:53                           ` Andy Lutomirski
2014-06-15 21:13                             ` H. Peter Anvin
2014-06-16  0:55                   ` Rich Felker
2014-06-16  2:36             ` Andi Kleen
2014-06-16  3:49               ` Rich Felker
2014-06-16 14:08               ` Ian Lance Taylor
2014-06-16 14:38                 ` Andi Kleen [this message]
2014-06-16 14:58                   ` Rich Felker
2014-06-16 15:31                   ` Ian Lance Taylor
2014-06-16 15:42                     ` Rich Felker
2014-06-20 15:55                       ` Andy Lutomirski
2014-06-20 16:07                         ` Rich Felker
2014-06-16 14:56                 ` Rich Felker
2014-06-15 18:20         ` H. Peter Anvin
2014-06-15 18:22           ` Andy Lutomirski
2014-06-16  6:39             ` Rich Felker
2014-06-16  1:06       ` Rich Felker

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