From mboxrd@z Thu Jan  1 00:00:00 1970
From: joro@8bytes.org (Joerg Roedel)
Date: Wed, 27 Sep 2017 14:27:26 +0200
Subject: [PATCH 1/2] iommu/io-pgtable-arm: Convert to IOMMU API TLB sync
In-Reply-To: <20170922154322.GA27080@arm.com>
References: <a472d061559a6afcc4631e881e9420944471f461.1505747866.git.robin.murphy@arm.com>
 <20170922154322.GA27080@arm.com>
Message-ID: <20170927122726.GM8398@8bytes.org>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

Hi Will, Robin,

On Fri, Sep 22, 2017 at 04:43:22PM +0100, Will Deacon wrote:
> Joerg, do you reckon it's worth merging this as-is, or should we also
> hook up add_flush before implementing this?

The patches implement .iotlb_sync() so that it is okay to not have a
.iotlb_range_add() call-back for now. But the patches lack a
.flush_iotlb_range() call-back, which is strictly necessary for
correctness because it is defined to be synchronous and doesn't require
a sync-call afterwards.


Regards,

	Joerg