From: Peter Finderup Lund <firefly@diku.dk>
To: "Thomas J. Merritt" <tjm@codegen.com>
Cc: Peter Tattam <peter@jazz-1.trumpet.com.au>,
<linux-kernel@vger.kernel.org>, <discuss@x86-64.org>
Subject: Re: [discuss] Re: [Bug 350] New: i386 context switch very slow compared to 2.4 due to wrmsr (performance)
Date: Fri, 14 Feb 2003 10:38:17 +0100 (MET) [thread overview]
Message-ID: <Pine.LNX.4.44L0.0302141037180.4760-100000@ask.diku.dk> (raw)
In-Reply-To: <200302140407.h1E477oP041875@tenor.codegen.com>
On Thu, 13 Feb 2003, Thomas J. Merritt wrote:
> The only way to get from long-mode back to legacy-mode is to reset the
> processor. It can be done in software but you will likely lose interrupts.
Smartdrv.sys and triple-faults come back, all is forgiven! ;)
-Peter
next prev parent reply other threads:[~2003-02-14 9:30 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-02-12 1:35 [Bug 350] New: i386 context switch very slow compared to 2.4 due to wrmsr (performance) Martin J. Bligh
2003-02-12 2:59 ` Dave Jones
2003-02-12 4:21 ` Jamie Lokier
2003-02-12 5:49 ` Linus Torvalds
2003-02-12 10:12 ` Jamie Lokier
2003-03-10 3:07 ` Linus Torvalds
2003-03-10 11:06 ` Andi Kleen
2003-03-10 18:33 ` Linus Torvalds
2003-03-10 22:44 ` Linus Torvalds
2003-02-12 12:54 ` Dave Jones
2003-02-12 7:50 ` Andi Kleen
2003-02-12 10:27 ` Jamie Lokier
2003-02-12 10:45 ` Andi Kleen
2003-02-12 17:52 ` Ingo Oeser
2003-02-12 18:13 ` Dave Jones
2003-02-12 18:18 ` Andi Kleen
2003-02-13 2:42 ` Alan Cox
2003-02-13 5:17 ` Eric W. Biederman
2003-02-13 18:07 ` Andi Kleen
2003-02-14 0:14 ` [discuss] " Peter Tattam
2003-02-14 1:29 ` Andi Kleen
2003-02-14 1:51 ` Eric Northup
2003-02-14 2:01 ` Peter Tattam
2003-02-14 4:07 ` Thomas J. Merritt
2003-02-14 9:38 ` Peter Finderup Lund [this message]
2003-02-14 8:27 ` Eric W. Biederman
2003-03-19 1:22 ` Rob Landley
2003-02-12 4:18 ` Jamie Lokier
2003-02-12 5:54 ` Linus Torvalds
2003-02-12 10:18 ` Jamie Lokier
2003-02-12 17:24 ` Linus Torvalds
2003-03-18 15:24 ` Kevin Pedretti
2003-03-18 16:41 ` Linus Torvalds
2003-03-18 18:30 ` Brian Gerst
2003-03-18 19:14 ` Thomas Molina
2003-03-18 19:21 ` Linus Torvalds
2003-03-18 20:03 ` Thomas Schlichter
2003-03-18 20:24 ` Steven Cole
2003-03-19 0:42 ` H. Peter Anvin
2003-03-19 2:22 ` george anzinger
2003-02-14 14:03 [discuss] " Robert Dewar
2003-02-14 14:25 ` Peter Finderup Lund
2003-02-14 14:25 ` Peter Finderup Lund
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