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From: Akinobu Mita <mita@miraclelinux.com>
To: Andi Kleen <ak@suse.de>
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 19:35:28 +0900	[thread overview]
Message-ID: <20060831103528.GA14783@miraclelinux.com> (raw)
In-Reply-To: <200608311225.02101.ak@suse.de>

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. Please patch 6/6. But I forgot to ignore
in_interrupt() case.

> 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.


  reply	other threads:[~2006-08-31 10:40 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 [this message]
2006-08-31 10:45       ` Andi Kleen
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

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