mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: john stultz <johnstul@us.ibm.com>
To: "Pallipadi, Venkatesh" <venkatesh.pallipadi@intel.com>
Cc: Ingo Molnar <mingo@elte.hu>,
	dino@in.ibm.com, linux-kernel@vger.kernel.org,
	Thomas Gleixner <tglx@linutronix.de>
Subject: RE: IO-APIC problem with 2.6.14-rt9
Date: Fri, 11 Nov 2005 18:34:49 -0800	[thread overview]
Message-ID: <1131762889.2542.15.camel@cog.beaverton.ibm.com> (raw)
In-Reply-To: <88056F38E9E48644A0F562A38C64FB60064B7DDC@scsmsx403.amr.corp.intel.com>

On Fri, 2005-11-11 at 18:25 -0800, Pallipadi, Venkatesh wrote:
> I think we can keep calibrate_delay() do the calibration using
> READ_CURRENT_TIMER 
> (giving TSC per jiffy) and then convert it to some number of TSCs per
> loop and 
> use it in loop based delay.

That sounds reasonable. However, for now, I'll just keep the old code.
In my patch I pulled the loop based and TSC based delay functions out of
the timer_opts and pick one at boot depending on if the TSC is around or
not.

I'm testing it now and will be sending out a new patchset before I head
home tonight.

thanks
-john



  reply	other threads:[~2005-11-12  2:34 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-11-12  2:25 Pallipadi, Venkatesh
2005-11-12  2:34 ` john stultz [this message]
  -- strict thread matches above, loose matches on Subject: below --
2005-11-10 20:02 Dinakar Guniguntala
2005-11-10 20:02 ` Ingo Molnar
2005-11-10 20:30   ` Dinakar Guniguntala
2005-11-10 20:29     ` john stultz
2005-11-10 20:55       ` Dinakar Guniguntala
2005-11-10 21:04       ` Ingo Molnar
2005-11-10 21:42         ` john stultz
2005-11-11  7:38           ` Ingo Molnar
2005-11-11  8:20             ` 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=1131762889.2542.15.camel@cog.beaverton.ibm.com \
    --to=johnstul@us.ibm.com \
    --cc=dino@in.ibm.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@elte.hu \
    --cc=tglx@linutronix.de \
    --cc=venkatesh.pallipadi@intel.com \
    /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®