Re: [RFC 1/3 v3] mm: iommu: An API to unify IOMMU, CPU and device memory management

On Mon, Jul 19, 2010 at 10:55:15AM -0700, Michael Bohan wrote:

quoted text

> > On 7/16/2010 12:58 AM, Russell King - ARM Linux wrote: > >> As the patch has been out for RFC since early April on the linux-arm-kernel >> mailing list (Subject: [RFC] Prohibit ioremap() on kernel managed RAM), >> and no comments have come back from Qualcomm folk. > > Would it be unreasonable to allow a map request to succeed if the > requested attributes matched that of the preexisting mapping?

What would be the point of creating such a mapping? --

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