From: Andi Kleen <ak@suse.de>
To: Richard Gooch <rgooch@ras.ucalgary.ca>
Cc: Andi Kleen <ak@suse.de>, Ingo Molnar <mingo@elte.hu>,
Ville Herva <vherva@mail.niksula.cs.hut.fi>,
Fabio Riccardi <fabio@chromium.com>,
linux-kernel@vger.kernel.org
Subject: Re: X15 alpha release: as fast as TUX but in user space (fwd)
Date: Wed, 2 May 2001 12:52:43 +0200 [thread overview]
Message-ID: <20010502125243.A518@gruyere.muc.suse.de> (raw)
In-Reply-To: <Pine.LNX.4.33.0104281752290.10866-100000@localhost.localdomain> <20010428215301.A1052@gruyere.muc.suse.de> <200104282256.f3SMuRW15999@vindaloo.ras.ucalgary.ca>
In-Reply-To: <200104282256.f3SMuRW15999@vindaloo.ras.ucalgary.ca>; from rgooch@ras.ucalgary.ca on Sat, Apr 28, 2001 at 04:56:27PM -0600
[sorry for the late answer -- i was involuntarily offline for a few days]
On Sat, Apr 28, 2001 at 04:56:27PM -0600, Richard Gooch wrote:
> Whatever happened to that hack that was discussed a year or two ago?
> The one where (also on IA32) a magic page was set up by the kernel
> containing code for fast system calls, and the kernel would write
> calibation information to that magic page. The code written there
> would use the TSC in conjunction with that calibration data.
>
> There was much discussion about this idea, even Linus was keen on
> it. But IIRC, nothing ever happened.
It's already implemented in the x86-64 port, thanks to Andrea
Arcangelli.
-Andi
next prev parent reply other threads:[~2001-05-02 10:53 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-04-28 15:52 Ingo Molnar
2001-04-28 19:53 ` Andi Kleen
2001-04-28 22:56 ` Richard Gooch
2001-04-29 5:13 ` H. Peter Anvin
2001-04-29 11:14 ` Jeff Garzik
2001-04-29 16:21 ` dean gaudet
2001-04-29 20:19 ` H. Peter Anvin
2001-04-29 21:16 ` Jim Gettys
2001-04-29 21:40 ` H. Peter Anvin
2001-04-29 21:47 ` Jim Gettys
2001-05-02 18:18 ` Matti Aarnio
2001-05-02 19:34 ` Linus Torvalds
2001-05-02 20:55 ` Fabio Riccardi
2001-04-29 22:29 ` Richard Gooch
2001-04-30 7:02 ` David S. Miller
2001-04-30 7:29 ` H. Peter Anvin
2001-04-30 7:51 ` David S. Miller
2001-04-30 14:56 ` Jonathan Lundell
2001-04-29 11:27 ` David S. Miller
2001-04-29 13:32 ` Ingo Oeser
2001-04-29 18:48 ` Richard Gooch
2001-04-29 18:55 ` Gregory Maxwell
2001-04-29 19:02 ` Richard Gooch
2001-04-29 19:47 ` Gregory Maxwell
2001-04-29 19:54 ` Richard Gooch
2001-04-29 20:11 ` Ingo Oeser
2001-04-29 20:18 ` Gregory Maxwell
2001-04-30 0:13 ` Andrea Arcangeli
2001-04-29 20:45 ` Arjan van de Ven
2001-04-29 22:20 ` Richard Gooch
2001-04-30 16:46 ` Alan Cox
2001-04-29 22:18 ` Richard Gooch
2001-04-29 19:38 ` Jamie Lokier
2001-04-29 23:53 ` Andrea Arcangeli
2001-04-30 8:42 ` Pavel Machek
2001-05-03 7:13 ` Kai Henningsen
2001-05-03 7:44 ` Keith Owens
2001-05-03 10:37 ` Ingo Oeser
2001-05-03 15:44 ` Gregory Maxwell
2001-05-07 19:04 ` Pavel Machek
2001-05-03 9:37 ` Alan Cox
2001-05-07 19:03 ` vsyscalls [was Re: X15 alpha release: as fast as TUX but in user space (fwd)] Pavel Machek
2001-05-03 12:23 ` X15 alpha release: as fast as TUX but in user space (fwd) Helge Hafting
2001-05-03 19:09 ` Pavel Machek
2001-05-03 19:50 ` agrawal
2001-05-07 19:07 ` vsyscallRe: " Pavel Machek
2001-05-03 20:19 ` Alan Cox
2001-05-03 20:41 ` Gregory Maxwell
2001-05-04 8:06 ` Pavel Machek
2001-05-04 17:31 ` dean gaudet
2001-05-04 8:43 ` bert hubert
2001-05-02 10:52 ` Andi Kleen [this message]
2001-05-02 10:53 ` Ingo Molnar
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20010502125243.A518@gruyere.muc.suse.de \
--to=ak@suse.de \
--cc=fabio@chromium.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=rgooch@ras.ucalgary.ca \
--cc=vherva@mail.niksula.cs.hut.fi \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®