Re: [PATCH] iommu/amd: Take mmap_sem when calling get_user_pages

[Joerg Roedel]

On Mon, Apr 28, 2014 at 05:27:46PM -0500, Suthikulpanit, Suravee wrote:
> From: Jay Cornwall <jay.cornwall@xxxxxxx>
> 
> get_user_pages requires caller to hold a read lock on mmap_sem.

Right, but can't we just switch to get_user_pages_fast instead?


	Joerg


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