mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Daniel Phillips <phillips@bonn-fries.net>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>, ian@ianduggan.net (Ian Duggan)
Cc: alan@lxorguk.ukuu.org.uk (Alan Cox), rml@tech9.net (Robert Love),
	linux-kernel@vger.kernel.org (linux kernel)
Subject: Re: 2.4.18 Preempt Freezeups
Date: Sun, 17 Mar 2002 00:51:27 +0100	[thread overview]
Message-ID: <E16mNxQ-0000mM-00@starship> (raw)
In-Reply-To: <E16lshA-0003lX-00@the-village.bc.nu>
In-Reply-To: <E16lshA-0003lX-00@the-village.bc.nu>

On March 15, 2002 03:28 pm, Alan Cox wrote:
> > What is required for preempt beyond "SMP safe" code? I thought the whole
> > idea was to make the preemptions transparent to other code by utilizing
> > the SMP critical regions?
> 
> SMP safe code
> Actual source code when recompiling modules
> Reviewing things like driver code use of disable_irq by hand
> Reviewing driver code for situations where it requires a small timing delay
> 	and a large one is unacceptable

Has anyone found one of those yet?

> Checking anywhere you use the cpu id that you don't do somthing where it
> 	might change under you (eg per cpu variables)

Is per-cpu data the whole list there?

-- 
Daniel

  reply	other threads:[~2002-03-16 23:58 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-03-15  1:51 Ian Duggan
2002-03-15  1:54 ` Robert Love
2002-03-15  8:36   ` Ian Duggan
2002-03-15 14:30     ` Alan Cox
2002-03-15 21:36       ` Ian Duggan
2002-03-15 16:11     ` Mikael Pettersson
2002-03-15 14:25   ` Robert Love
2002-03-15 19:11     ` Robert Love
2002-03-16  0:40       ` yodaiken
2002-03-16  1:46         ` Mike Fedyk
2002-03-16  3:12           ` yodaiken
2002-03-17  0:33         ` Daniel Phillips
2002-03-17  1:13           ` yodaiken
2002-03-17  1:14             ` Daniel Phillips
2002-03-17  1:54               ` yodaiken
2002-03-17  2:08                 ` Daniel Phillips
2002-03-17 21:17                 ` Davide Libenzi
2002-03-15  2:11 ` Alan Cox
2002-03-15  8:38   ` Ian Duggan
2002-03-15 14:28     ` Alan Cox
2002-03-16 23:51       ` Daniel Phillips [this message]
2002-03-17  3:31         ` Alan Cox
2002-03-17 12:59           ` Dave Jones
2002-03-15  8:43   ` Daniel Phillips
2002-03-15  8:51   ` David S. Miller

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=E16mNxQ-0000mM-00@starship \
    --to=phillips@bonn-fries.net \
    --cc=alan@lxorguk.ukuu.org.uk \
    --cc=ian@ianduggan.net \
    --cc=linux-kernel@vger.kernel.org \
    --cc=rml@tech9.net \
    /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®