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Message-ID: <3E060FD9.40305@redhat.com>
Date: Sun, 22 Dec 2002 11:17:45 -0800
From: Ulrich Drepper <drepper@redhat.com>
Organization: Red Hat, Inc.
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To: Linus Torvalds <torvalds@transmeta.com>
CC: "James H. Cloos Jr." <cloos@jhcloos.com>, linux-kernel@vger.kernel.org
Subject: Re: Intel P6 vs P7 system call performance
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Linus Torvalds wrote:

>>I presume *%gs:0x18 is only for shared objects?
> 
> 
> No, it's for everything, but it requires a glibc that has set it up.

Actually, the above is used only in the DSOs.  In static objects I'm
using a global variable.  This saves the %gs prefix.

But of course Linus is right: using the new functionality needs quite a
bit of infrastructure which most definitely isn't present in the libc
you have on your system.  See my post from a few minutes ago.

-- 
--------------.                        ,-.            444 Castro Street
Ulrich Drepper \    ,-----------------'   \ Mountain View, CA 94041 USA
Red Hat         `--' drepper at redhat.com `---------------------------

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