All of lore.kernel.org
 help / color / mirror / Atom feed
From: Andi Kleen <andi@firstfloor.org>
To: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Jens Axboe <jens.axboe@oracle.com>,
	Pekka Enberg <penberg@cs.helsinki.fi>,
	paulmck@linux.vnet.ibm.com, Ingo Molnar <mingo@elte.hu>,
	Vegard Nossum <vegard.nossum@gmail.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Randy Dunlap <randy.dunlap@oracle.com>
Subject: Re: kmemcheck caught read from freed memory (cfq_free_io_context)
Date: 02 Apr 2008 15:43:57 +0200	[thread overview]
Message-ID: <878wzwe5ia.fsf@basil.nowhere.org> (raw)
In-Reply-To: <1207138422.8514.799.camel@twins>

Peter Zijlstra <a.p.zijlstra@chello.nl> writes:
> 
> Ok I gave it a go, how bad is this text?

Should be also in the kernel doc description of kmem_cache_create(), so it 
appears in manpages etc.

-Andi
> 
> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
> ---
> diff --git a/include/linux/slab.h b/include/linux/slab.h
> index f950a89..e049ddc 100644
> --- a/include/linux/slab.h
> +++ b/include/linux/slab.h
> @@ -25,6 +25,32 @@
>  #define SLAB_CACHE_DMA		0x00004000UL	/* Use GFP_DMA memory */
>  #define SLAB_STORE_USER		0x00010000UL	/* DEBUG: Store the last owner for bug hunting */
>  #define SLAB_PANIC		0x00040000UL	/* Panic if kmem_cache_create() fails */
> +/*
> + * SLAB_DESTROY_BY_RCU - **WARNING** READ THIS!

  parent reply	other threads:[~2008-04-02 13:44 UTC|newest]

Thread overview: 69+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-01 21:08 kmemcheck caught read from freed memory (cfq_free_io_context) Vegard Nossum
2008-04-01 21:36 ` Peter Zijlstra
2008-04-01 22:51   ` Paul E. McKenney
2008-04-02  6:15     ` Peter Zijlstra
2008-04-02  7:19       ` Jens Axboe
2008-04-02 10:24       ` Paul E. McKenney
2008-04-02  7:17   ` Jens Axboe
2008-04-02  7:20     ` Pekka J Enberg
2008-04-02  7:24       ` Jens Axboe
2008-04-02  7:28         ` Ingo Molnar
2008-04-02  7:31           ` Jens Axboe
2008-04-02 10:55           ` Paul E. McKenney
2008-04-02 10:59             ` Peter Zijlstra
2008-04-02 11:33               ` Fabio Checconi
2008-04-02 11:43                 ` Jens Axboe
2008-04-02 12:36                   ` Jens Axboe
2008-04-02 12:36                     ` Jens Axboe
2008-04-02 12:55                       ` Fabio Checconi
2008-04-02 12:58                         ` Jens Axboe
2008-04-02 12:58                           ` Jens Axboe
2008-04-02 13:16                             ` Fabio Checconi
2008-04-02 16:14                               ` Paul E. McKenney
2008-04-02 13:37                           ` Paul E. McKenney
2008-04-02 13:41                             ` Jens Axboe
2008-04-02 15:33                               ` Paul E. McKenney
2008-04-02 16:31                                 ` Jens Axboe
2008-04-02 17:00                                   ` Paul E. McKenney
2008-04-02 13:32                 ` Paul E. McKenney
2008-04-02 13:40                   ` Jens Axboe
2008-04-02 16:15                     ` Paul E. McKenney
2008-04-02 11:01             ` Pekka Enberg
2008-04-02 11:07               ` Jens Axboe
2008-04-02 11:08                 ` Peter Zijlstra
2008-04-02 11:11                   ` Pekka Enberg
2008-04-02 11:14                     ` Peter Zijlstra
2008-04-02 11:18                       ` Pekka Enberg
2008-04-02 17:36                     ` Christoph Lameter
2008-04-02 11:14                   ` Jens Axboe
2008-04-02 11:20                     ` Peter Zijlstra
2008-04-02 11:25                       ` Peter Zijlstra
2008-04-02 11:32                       ` Jens Axboe
2008-04-02 11:37                         ` Peter Zijlstra
2008-04-02 11:42                           ` Jens Axboe
2008-04-02 11:47                             ` Peter Zijlstra
2008-04-02 11:53                               ` Jens Axboe
2008-04-02 12:13                                 ` Peter Zijlstra
2008-04-02 12:28                                   ` Jens Axboe
2008-04-02 13:26                                   ` Paul E. McKenney
2008-04-02 13:43                                   ` Andi Kleen [this message]
2008-04-02 12:26                                 ` Peter Zijlstra
2008-04-02 12:34                                   ` Jens Axboe
2008-04-02 16:08               ` Paul E. McKenney
2008-04-02 16:15                 ` Vegard Nossum
2008-04-02 16:32                   ` Pekka J Enberg
2008-04-02 18:23                     ` Paul E. McKenney
2008-04-02 19:53                       ` Pekka Enberg
2008-04-02 20:15                         ` Paul E. McKenney
2008-04-03 15:18                           ` Paul E. McKenney
2008-04-03 19:49                             ` Pekka J Enberg
2008-04-03 21:27                               ` Paul E. McKenney
2008-04-02 16:59                   ` Paul E. McKenney
2008-04-02 17:31                     ` Vegard Nossum
2008-04-02 10:40     ` Paul E. McKenney
2008-04-02 10:46       ` Pekka Enberg
2008-04-02 10:49         ` Peter Zijlstra
2008-04-02 10:54           ` Pekka J Enberg
2008-04-02 17:35           ` Christoph Lameter
2008-04-02 10:53       ` Peter Zijlstra
2008-04-02 11:13         ` Jens Axboe

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=878wzwe5ia.fsf@basil.nowhere.org \
    --to=andi@firstfloor.org \
    --cc=a.p.zijlstra@chello.nl \
    --cc=akpm@linux-foundation.org \
    --cc=jens.axboe@oracle.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@elte.hu \
    --cc=paulmck@linux.vnet.ibm.com \
    --cc=penberg@cs.helsinki.fi \
    --cc=randy.dunlap@oracle.com \
    --cc=vegard.nossum@gmail.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.