LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Christoph Hellwig <hch@infradead.org>
To: Pavel Roskin <proski@gnu.org>
Cc: benh@kernel.crashing.org, Christoph Hellwig <hch@infradead.org>,
	Dave Airlie <airlied@gmail.com>, Pekka Paalanen <pq@iki.fi>,
	linux-kernel@vger.kernel.org, jbeulich@novell.com
Subject: Re: Replacement for page fault notifiers?
Date: Wed, 9 Jan 2008 20:26:44 +0000	[thread overview]
Message-ID: <20080109202644.GA5514@infradead.org> (raw)
In-Reply-To: <1199910256.11485.14.camel@dv>

On Wed, Jan 09, 2008 at 03:24:16PM -0500, Pavel Roskin wrote:
> I just assumed (wrongly, as it seems) that the API change didn't remove
> any useful functionality.

No, this was exactly the correct assumption.  Out of tree modules simply
don't count.

> The problem is that mmiotrace only makes sense in combination with
> non-free drivers, and I'm not sure it would be welcome in the kernel
> even if you say so.

It can trace every driver in theory although it's of course not
really interesting for free drivers.  But it's not actually
functionality used by the drivers but functionlity to trace the drivers
so it's quite different anyway.

> Exactly.  In MadWifi, they are inlined on i386 and x86_64, and I cannot
> ask every user with an unsupported card to get a Mac.

Maybe it's time to do some simple xoring in the ioremap return value
to force them not to do such stupid things..


  reply	other threads:[~2008-01-09 20:27 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-08 19:06 Pekka Paalanen
2008-01-08 20:32 ` Christoph Hellwig
2008-01-08 22:13   ` Dave Airlie
2008-01-09  0:26     ` Benjamin Herrenschmidt
2008-01-09 18:18       ` Pavel Roskin
2008-01-09 18:21         ` Christoph Hellwig
2008-01-09 19:58           ` Benjamin Herrenschmidt
2008-01-09 20:22             ` Christoph Hellwig
2008-01-10  0:42               ` Arjan van de Ven
2008-01-10  0:47                 ` Andi Kleen
2008-01-10  0:55                   ` Arjan van de Ven
2008-01-10  0:58                     ` Benjamin Herrenschmidt
2008-01-10  1:01                     ` Andi Kleen
2008-01-10  0:56                 ` Benjamin Herrenschmidt
2008-01-10  2:03                 ` Matt Mackall
2008-01-10  2:21                   ` Pavel Roskin
2008-01-10  2:30                     ` Matt Mackall
2008-01-10 18:44               ` Pekka Paalanen
2008-01-09 20:24             ` Pavel Roskin
2008-01-09 20:26               ` Christoph Hellwig [this message]
2008-01-09 20:41                 ` Pavel Roskin
2008-01-09 20:44                 ` Valdis.Kletnieks

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=20080109202644.GA5514@infradead.org \
    --to=hch@infradead.org \
    --cc=airlied@gmail.com \
    --cc=benh@kernel.crashing.org \
    --cc=jbeulich@novell.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=pq@iki.fi \
    --cc=proski@gnu.org \
    --subject='Re: Replacement for page fault notifiers?' \
    /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

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).