Re: [PATCH/RFC] PCI prepare/activate instead of enable to avoid IRQ storm and rogue DMA access

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To: Tejun Heo <htejun@xxxxxxxxx>
Subject: Re: [PATCH/RFC] PCI prepare/activate instead of enable to avoid IRQ storm and rogue DMA access
From: Andi Kleen <andi@xxxxxxxxxxxxxx>
Date: Thu, 15 Mar 2007 11:17:13 +0100
Cc: michal.k.k.piotrowski@xxxxxxxxx, Jeff Garzik <jeff@xxxxxxxxxx>, gregkh@xxxxxxx, linux-pm@xxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, mlord@xxxxxxxxx, linux-ide@xxxxxxxxxxxxxxx, Andi Kleen <andi@xxxxxxxxxxxxxx>, tglx@xxxxxxxxxxxxx, shemminger@xxxxxxxxxxxxxxxxxxxx, linux-pci@xxxxxxxxxxxxxxxxxxxxxxxx
In-reply-to: <45F8B1FE.5060406@xxxxxxxxx>
References: <20070314152302.GB15600@xxxxxxxxxxxxxx> <p73fy878pmg.fsf@xxxxxxxxxxxxxx> <45F8B1FE.5060406@xxxxxxxxx>
User-agent: Mutt/1.4.2.1i

> Do you mean between disabling IRQ mechanisms and enabling PCI device in 
> pcim_prepare_device()?

Yes.

-Andi
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References:
- [PATCH/RFC] PCI prepare/activate instead of enable to avoid IRQ storm and rogue DMA access
  - From: Tejun Heo
- Re: [PATCH/RFC] PCI prepare/activate instead of enable to avoid IRQ storm and rogue DMA access
  - From: Andi Kleen
- Re: [PATCH/RFC] PCI prepare/activate instead of enable to avoid IRQ storm and rogue DMA access
  - From: Tejun Heo

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