From: David Mosberger <davidm@napali.hpl.hp.com>
To: john stultz <johnstul@us.ibm.com>
Cc: Christoph Lameter <clameter@engr.sgi.com>,
David Mosberger <davidm@hpl.hp.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>,
Dominik Brodowski <linux@dominikbrodowski.de>,
Andi Kleen <ak@suse.de>,
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, Nishanth Aravamudan <nacc@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,
linux-ia64@vger.kernel.org
Subject: Re: IA64 implementation of timesource for new time of day subsystem
Date: Mon, 16 May 2005 13:58:53 -0700 [thread overview]
Message-ID: <17033.2445.545597.210557@napali.hpl.hp.com> (raw)
In-Reply-To: <1116276824.13867.15.camel@cog.beaverton.ibm.com>
>>>>> On Mon, 16 May 2005 13:53:44 -0700, john stultz <johnstul@us.ibm.com> said:
John> You've only pointed out two timesources that could want this
John> (ITC and TSC), so I think its reasonable to do your jitter
John> handling in the timesource driver. If there are other arches
John> that have non hardware synced per-cpu counters, then it would
John> be something to consider.
I think Christopher's point is that _all_ time-sources which require
software syncing will need this since it is not possible to sync
perfectly, even if there is no drift.
--david
next prev parent reply other threads:[~2005-05-16 21:01 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-14 0:16 [RFC][PATCH (1/7)] new timeofday subsystem (v A5) john stultz
2005-05-14 0:17 ` [RFC][PATCH (2/7)] new timeofday i386 arch specific changes " john stultz
2005-05-14 0:19 ` [RFC][PATCH (3/7)] new timeofday x86-64 " john stultz
2005-05-14 0:20 ` [RFC][PATCH (4/7)] new timeofday i386 and x86-64 timesources " john stultz
2005-05-14 0:22 ` [RFC][PATCH (5/7)] new timeofday ia64,ppc32,ppc64 and s390 arch specific hooks " john stultz
2005-05-14 0:23 ` [RFC][PATCH (6/7)] new timeofday ia64,ppc32,ppc64 and s390 timesources " john stultz
2005-05-14 0:27 ` [RFC][PATCH (7/7)] new timeofday i386 vsyscall proof of concept " john stultz
2005-05-16 21:53 ` john stultz
2005-05-14 19:55 ` IA64 implementation of timesource for new time of day subsystem Christoph Lameter
2005-05-15 10:22 ` James Courtier-Dutton
2005-05-15 10:17 ` Andi Kleen
2005-05-16 15:30 ` Chris Friesen
2005-05-16 17:34 ` john stultz
2005-05-16 18:09 ` Christoph Lameter
2005-05-16 18:45 ` john stultz
2005-05-16 18:55 ` john stultz
2005-05-16 19:24 ` Christoph Lameter
2005-05-16 19:29 ` David Mosberger
2005-05-16 19:50 ` john stultz
2005-05-16 20:27 ` Christoph Lameter
2005-05-16 20:53 ` john stultz
2005-05-16 20:58 ` David Mosberger [this message]
2005-05-16 21:35 ` john stultz
2005-05-16 21:53 ` Christoph Lameter
2005-05-17 8:05 ` Ulrich Windl
2005-05-16 18:52 ` [RFC][PATCH (3/7)] new timeofday x86-64 specific changes (v A5) john stultz
2005-05-17 23:33 ` [RFC][PATCH 0/4] new timeofday-based soft-timer subsystem Nishanth Aravamudan
2005-05-17 23:34 ` [RFC][PATCH 1/4] move arch-specific timeofday core to asm Nishanth Aravamudan
2005-05-17 23:36 ` [RFC][PATCH 2/4] convert soft-timer subsystem to timerintervals Nishanth Aravamudan
2005-05-18 8:21 ` [RFC][UPDATE PATCH " Nishanth Aravamudan
2005-05-18 15:59 ` Jonathan Corbet
2005-05-18 17:00 ` Nishanth Aravamudan
2005-05-17 23:37 ` [RFC][PATCH 3/4] convert sys_nanosleep() to use new soft-timer subsystem Nishanth Aravamudan
2005-05-17 23:38 ` [RFC][PATCH 4/4] support new soft-timer subsystem on non-NEWTOD archs Nishanth Aravamudan
2005-05-19 23:29 ` [RFC][PATCH 0/4] new timeofday-based soft-timer subsystem Nishanth Aravamudan
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=17033.2445.545597.210557@napali.hpl.hp.com \
--to=davidm@napali.hpl.hp.com \
--cc=ak@suse.de \
--cc=albert@users.sourceforge.net \
--cc=anton@samba.org \
--cc=benh@kernel.crashing.org \
--cc=clameter@engr.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=johnstul@us.ibm.com \
--cc=kmannth@us.ibm.com \
--cc=lcm@us.ibm.com \
--cc=linux-ia64@vger.kernel.org \
--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 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®