linux-kernel - Re: VDSO gettimeofday() x86

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Message-ID: <CALCETrUHWfxMK0qh79Uh4nb62BCmR_bnfG2rOZdanO+zkueN=A@mail.gmail.com>
Date:	Tue, 16 Oct 2012 14:36:47 -0700
From:	Andy Lutomirski <luto@...capital.net>
To:	wilson self <wself00@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: VDSO gettimeofday() x86_64 linux 3.2

On Tue, Oct 16, 2012 at 12:43 PM, wilson self <wself00@...il.com> wrote:
> I am just using gcc timetest.c -o timetest
>
> Should be dynamically linked. glibc is 2.5, which is quite old, but I
> think this should still work with it, no?

You need at least glibc 2.7 for this to work well on modern kernels.
FWIW, glibc 2.7 is five years old.

--Andy
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