From: "H. Peter Anvin" <hpa@zytor.com>
To: Andy Lutomirski <luto@amacapital.net>
Cc: Ian Lance Taylor <iant@golang.org>,
Andi Kleen <andi@firstfloor.org>, 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: Sun, 15 Jun 2014 14:13:26 -0700 [thread overview]
Message-ID: <73ed6c36-299b-4348-81e1-8a98b8baf2e5@email.android.com> (raw)
In-Reply-To: <CALCETrVoOS913rUo288c6PhNtrWBZa9tSA6Ec=WUw1+SAU9ALw@mail.gmail.com>
Yes, but the option exists.
On June 15, 2014 1:53:17 PM PDT, Andy Lutomirski <luto@amacapital.net> wrote:
>On Sun, Jun 15, 2014 at 12:56 PM, H. Peter Anvin <hpa@zytor.com> wrote:
>> You can link against vdso.so if you want to; the kernel build
>provides an option to install that image. Doesn't mean that any
>particular libc uses it.
>
>I'd be rather surprised if anyone does this, given the generally
>spotty state of vdso.so installation and that there's no such thing as
>an ELF import library.
>
>Also, the vdso's clock_gettime isn't actually compatible with
>glibc/POSIX -- the return value and errno handling don't match.
>
>--Andy
--
Sent from my mobile phone. Please pardon brevity and lack of formatting.
next prev parent reply other threads:[~2014-06-15 21:14 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-14 18:16 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 [this message]
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
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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