linux-kernel - Re: [PATCH] iommu/amd: Use new invalidate

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Message-ID: <20141106124248.GM10744@8bytes.org>
Date:	Thu, 6 Nov 2014 13:42:48 +0100
From:	Joerg Roedel <joro@...tes.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Oded.Gabbay@....com, linux-kernel@...r.kernel.org,
	iommu@...ts.linux-foundation.org, Joerg Roedel <jroedel@...e.de>
Subject: Re: [PATCH] iommu/amd: Use new invalidate_range mmu-notifier

Hey Andrew,

On Thu, Nov 06, 2014 at 01:40:08PM +0100, Joerg Roedel wrote:
> From: Joerg Roedel <jroedel@...e.de>
> 
> Make use of the new invalidate_range mmu_notifier call-back
> and remove the old logic of assigning an empty page-table
> between invalidate_range_start and invalidate_range_end.
> 
> Tested-by: Oded Gabbay <oded.gabbay@....com>
> Signed-off-by: Joerg Roedel <jroedel@...e.de>
> ---
>  drivers/iommu/amd_iommu_v2.c | 61 +++++++-------------------------------------
>  1 file changed, 9 insertions(+), 52 deletions(-)

This patch depends on the mmu_notifier_invalidate_range patches in your
mm-tree. It converts the AMD IOMMUv2 driver to make use of it and is
tested by AMD. Can you please carry this patch in the mm-tree too?

Thanks,

	Joerg

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