linux-kernel - Re: [RFC][Intel-IOMMU] Fix for IOMMU early crash

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Date:	Sun, 9 Sep 2007 14:16:19 +0300
From:	Muli Ben-Yehuda <muli@...ibm.com>
To:	"Keshavamurthy, Anil S" <anil.s.keshavamurthy@...el.com>
Cc:	akpm@...l.org, Greg KH <greg@...ah.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	kristen.c.accardi@...el.com
Subject: Re: [RFC][Intel-IOMMU] Fix for IOMMU early crash

On Sat, Sep 08, 2007 at 01:05:24PM -0700, Keshavamurthy, Anil S wrote:

> Subject: [RFC][Intel-IOMMU] Fix for IOMMU early crash

This patch feels like a huge hack. See below.

> This patch removes sysdata from pci_dev struct and creates a new
> field called sys_data which is exclusively used by IOMMU driver to
> keep its per device context pointer.

Hmpf, why is this needed? with the pci_sysdata work that recently went
into mainline we have a void *iommu member in pci_sysdata which should
be all that's needed. Please elaborate if it's not enough for your
needs.

Thanks,
Muli
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