The Linux Kernel Mailing List
 help / color / mirror / Atom feed
From: Andrew Morton <akpm@linux-foundation.org>
To: Pekka Paalanen <pq@iki.fi>
Cc: linux-kernel@vger.kernel.org, Ingo Molnar <mingo@elte.hu>,
	Christoph Hellwig <hch@infradead.org>,
	Arjan van de Ven <arjan@infradead.org>,
	Pavel Roskin <proski@gnu.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Andy Whitcroft <apw@shadowen.org>
Subject: Re: [RFC] mmiotrace full patch, preview 1
Date: Mon, 25 Feb 2008 14:49:22 -0800	[thread overview]
Message-ID: <20080225144922.ae716e7d.akpm@linux-foundation.org> (raw)
In-Reply-To: <20080224190323.77adf683@daedalus.pq.iki.fi>

On Sun, 24 Feb 2008 19:03:23 +0200 Pekka Paalanen <pq@iki.fi> wrote:

>  arch/x86/Kconfig.debug      |   33 +++
>  arch/x86/mm/Makefile        |    5 +
>  arch/x86/mm/fault.c         |   13 +
>  arch/x86/mm/kmmio.c         |  541 +++++++++++++++++++++++++++++++++++++++++++
>  arch/x86/mm/mmio-mod.c      |  541 +++++++++++++++++++++++++++++++++++++++++++
>  arch/x86/mm/pageattr.c      |    1 +
>  arch/x86/mm/pf_in.c         |  489 ++++++++++++++++++++++++++++++++++++++
>  arch/x86/mm/pf_in.h         |   39 +++
>  arch/x86/mm/testmmiotrace.c |   76 ++++++
>  include/linux/mmiotrace.h   |  104 +++++++++

Please feed the diff through scritps/checkpatch.pl and consider addressing
the things which it finds.

> +static DECLARE_MUTEX(kmmio_init_mutex);

That's not a mutex.

> +	down(&kmmio_init_mutex);

It's a semaphore.  Please do convert it to a mutex.

Andy, I'd say that addition of new semaphores is worth a warning - they're
rarely legitimate.


  parent reply	other threads:[~2008-02-25 22:51 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-24 17:03 [RFC] mmiotrace full patch, preview 1 Pekka Paalanen
2008-02-24 17:59 ` Sam Ravnborg
2008-02-25 22:49 ` Andrew Morton [this message]
2008-02-25 23:34   ` Christoph Hellwig
2008-02-26  2:42     ` Pavel Roskin
2008-02-26  8:57       ` Andy Whitcroft
2008-02-26 17:10       ` Christoph Hellwig
2008-02-26 10:21     ` Andy Whitcroft
2008-02-26 10:49       ` Ingo Molnar
2008-02-26 15:20         ` Andy Whitcroft
2008-02-26 20:02   ` Pekka Paalanen
2008-02-26 17:20 ` Jonathan Corbet
2008-02-27 20:28   ` Pekka Paalanen

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=20080225144922.ae716e7d.akpm@linux-foundation.org \
    --to=akpm@linux-foundation.org \
    --cc=a.p.zijlstra@chello.nl \
    --cc=apw@shadowen.org \
    --cc=arjan@infradead.org \
    --cc=hch@infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@elte.hu \
    --cc=pq@iki.fi \
    --cc=proski@gnu.org \
    --cc=rostedt@goodmis.org \
    /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