From: Andi Kleen <ak@suse.de>
To: Akinobu Mita <mita@miraclelinux.com>
Cc: linux-kernel@vger.kernel.org, akpm@osdl.org, okuji@enbug.org
Subject: Re: [patch 3/6] fault-injection capability for alloc_pages()
Date: Thu, 31 Aug 2006 12:45:40 +0200 [thread overview]
Message-ID: <200608311245.40578.ak@suse.de> (raw)
In-Reply-To: <20060831103528.GA14783@miraclelinux.com>
On Thursday 31 August 2006 12:35, Akinobu Mita wrote:
> On Thu, Aug 31, 2006 at 12:25:02PM +0200, Andi Kleen wrote:
>
> > I still think this will need some better filters to be useful. At least
> > a optional uid filter perhaps (make sure to handle the interrupt case
> > correctly, interrupts don't belong to the uid) , and perhaps an option to only
> > fail GFP_ATOMIC.
>
> I wrote process filter.
Oops sorry. I overlooked that.
> Please patch 6/6. But I forgot to ignore
> in_interrupt() case.
Ok fine then.
>
> > With arbitary failing the system will just be unusable, right? Or would
> > you run some system you use this way? @)
> >
> > Another possibility would be to look up __builtin_return_address(0) in
> > the module table and allow failing only for a specific module.
>
> That will be useful. Thanks.
It might unfortunately need architecture specific code. But I guess a i386
only implementation as start would be useful enough.
-Andi
next prev parent reply other threads:[~2006-08-31 10:45 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-31 10:07 [patch 0/6] RFC: fault-injection capabilities (v2) Akinobu Mita
2006-08-31 10:07 ` [patch 1/6] fault-injection capabilities infrastructure Akinobu Mita
2006-08-31 10:22 ` Andi Kleen
2006-08-31 10:07 ` [patch 2/6] fault-injection capability for kmalloc Akinobu Mita
2006-08-31 10:07 ` [patch 3/6] fault-injection capability for alloc_pages() Akinobu Mita
2006-08-31 10:25 ` Andi Kleen
2006-08-31 10:35 ` Akinobu Mita
2006-08-31 10:45 ` Andi Kleen [this message]
2006-08-31 10:08 ` [patch 4/6] fault-injection capability for disk IO Akinobu Mita
2006-08-31 10:08 ` [patch 5/6] debugfs entries for configuration Akinobu Mita
2006-08-31 10:08 ` [patch 6/6] process filtering for fault-injection capabilities Akinobu Mita
2006-08-31 17:29 ` [patch 0/6] RFC: fault-injection capabilities (v2) Josh Triplett
2006-08-31 18:31 ` Kyle Moffett
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=200608311245.40578.ak@suse.de \
--to=ak@suse.de \
--cc=akpm@osdl.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mita@miraclelinux.com \
--cc=okuji@enbug.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 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.