All of lore.kernel.org
 help / color / mirror / Atom feed
From: john stultz <johnstul@us.ibm.com>
To: Andi Kleen <ak@suse.de>
Cc: Parag Warudkar <kernel-stuff@comcast.net>,
	Nishanth Aravamudan <nacc@us.ibm.com>,
	lkml <linux-kernel@vger.kernel.org>,
	Tim Schmielau <tim@physik3.uni-rostock.de>,
	George Anzinger <george@mvista.com>,
	albert@users.sourceforge.net,
	Ulrich Windl <ulrich.windl@rz.uni-regensburg.de>,
	Christoph Lameter <clameter@sgi.com>,
	Dominik Brodowski <linux@dominikbrodowski.de>,
	David Mosberger <davidm@hpl.hp.com>,
	Andrew Morton <akpm@osdl.org>,
	paulus@samba.org, schwidefsky@de.ibm.com,
	keith maanthey <kmannth@us.ibm.com>,
	Chris McDermott <lcm@us.ibm.com>, Max Asbock <masbock@us.ibm.com>,
	mahuja@us.ibm.com, Darren Hart <darren@dvhart.com>,
	"Darrick J. Wong" <djwong@us.ibm.com>,
	Anton Blanchard <anton@samba.org>,
	donf@us.ibm.com, mpm@selenic.com, benh@kernel.crashing.org
Subject: Re: [PATCH 3/4] new timeofday x86-64 arch specific changes (v. B1)
Date: Mon, 06 Jun 2005 15:51:18 -0700	[thread overview]
Message-ID: <1118098278.25706.23.camel@cog.beaverton.ibm.com> (raw)
In-Reply-To: <20050605112732.GW23831@wotan.suse.de>

On Sun, 2005-06-05 at 13:27 +0200, Andi Kleen wrote:
> > How about something like this?
> > 
> > 300 TSC 
> > 200 HPET
> > 200 CYCLONE
> > 100 ACPI
> > 050 PIT
> > 010 JIFFIES
> > 
> > Then if the system has TSC issues (unsynced, cpufreq problems, etc), we
> 
> The priority is fine, the problem is getting the decisions for when
> to fallback right.
> 
> It is quite complicated to decide this, see the x86-64 time.c code 
> for this.

Hmmm. I'm not sure I see the level of complication that you allude to.
Let me re-spin my patches again with the tsc timesource auto-demotion
and let me know if I'm missing anything.

thanks
-john



  reply	other threads:[~2005-06-06 23:17 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-06-02 18:27 [PATCH 3/4] new timeofday x86-64 arch specific changes (v. B1) Parag Warudkar
2005-06-02 18:39 ` Nishanth Aravamudan
2005-06-02 23:05   ` Parag Warudkar
2005-06-02 23:20     ` john stultz
2005-06-02 23:33       ` Parag Warudkar
2005-06-02 23:50       ` Parag Warudkar
2005-06-03  7:05         ` Ulrich Windl
2005-06-03 15:24         ` john stultz
2005-06-05 17:05           ` Dominik Brodowski
2005-06-06  3:04             ` Parag Warudkar
2005-06-06  3:14               ` Dominik Brodowski
2005-06-10  0:48               ` George Anzinger
2005-06-06  9:21             ` Andi Kleen
2005-06-06  9:24               ` Dominik Brodowski
2005-06-06  9:30                 ` Andi Kleen
2005-06-06 13:32               ` Vojtech Pavlik
2005-06-06 22:53             ` john stultz
2005-06-03 16:30         ` Andi Kleen
2005-06-03 18:27           ` john stultz
2005-06-03 19:02             ` Christoph Lameter
2005-06-03 19:21               ` john stultz
2005-06-05 11:27             ` Andi Kleen
2005-06-06 22:51               ` john stultz [this message]
2005-06-04 18:40           ` Parag Warudkar
2005-06-05 11:28             ` Andi Kleen
2005-06-05 14:15               ` Parag Warudkar
2005-06-05 20:51                 ` Lee Revell
2005-06-05 21:41                   ` Parag Warudkar
2005-06-05 22:13                     ` Lee Revell
2005-06-06  9:29                 ` Andi Kleen
2005-06-06 11:46                   ` Parag Warudkar
2005-06-08 13:51                     ` Andi Kleen
2005-06-09  1:47                       ` Lee Revell
2005-06-09  2:12                         ` john stultz
2005-06-09  2:42                           ` Parag Warudkar
2005-06-09 14:17                           ` Andi Kleen
2005-06-03 13:32       ` Parag Warudkar
2005-06-02 18:40 ` john stultz
  -- strict thread matches above, loose matches on Subject: below --
2005-06-02 18:51 Parag Warudkar
2005-06-01 23:09 [PATCH 1/4] new timeofday core subsystem " john stultz
2005-06-01 23:12 ` [PATCH 2/4] new timeofday i386 arch specific changes " john stultz
2005-06-01 23:13   ` [PATCH 3/4] new timeofday x86-64 " john stultz
2005-06-02  0:37     ` Parag Warudkar
2005-06-02 17:34       ` john stultz

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=1118098278.25706.23.camel@cog.beaverton.ibm.com \
    --to=johnstul@us.ibm.com \
    --cc=ak@suse.de \
    --cc=akpm@osdl.org \
    --cc=albert@users.sourceforge.net \
    --cc=anton@samba.org \
    --cc=benh@kernel.crashing.org \
    --cc=clameter@sgi.com \
    --cc=darren@dvhart.com \
    --cc=davidm@hpl.hp.com \
    --cc=djwong@us.ibm.com \
    --cc=donf@us.ibm.com \
    --cc=george@mvista.com \
    --cc=kernel-stuff@comcast.net \
    --cc=kmannth@us.ibm.com \
    --cc=lcm@us.ibm.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux@dominikbrodowski.de \
    --cc=mahuja@us.ibm.com \
    --cc=masbock@us.ibm.com \
    --cc=mpm@selenic.com \
    --cc=nacc@us.ibm.com \
    --cc=paulus@samba.org \
    --cc=schwidefsky@de.ibm.com \
    --cc=tim@physik3.uni-rostock.de \
    --cc=ulrich.windl@rz.uni-regensburg.de \
    /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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.