From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thierry Reding <thierry.reding@gmail.com>
Subject: Re: [PATCH v4 04/20] iommu: Introduce iotlb_sync_map callback
Date: Mon, 24 Sep 2018 12:06:28 +0200
Message-ID: <20180924100628.GF21032@ulmo>
References: <20180924004153.8232-1-digetx@gmail.com>
 <20180924004153.8232-5-digetx@gmail.com>
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To: Dmitry Osipenko <digetx@gmail.com>
Cc: Jonathan Hunter <jonathanh@nvidia.com>, Joerg Roedel <joro@8bytes.org>, Rob Herring <robh+dt@kernel.org>, Robin Murphy <robin.murphy@arm.com>, iommu@lists.linux-foundation.org, devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org
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On Mon, Sep 24, 2018 at 03:41:37AM +0300, Dmitry Osipenko wrote:
> Introduce iotlb_sync_map() callback that is invoked in the end of
> iommu_map(). This new callback allows IOMMU drivers to avoid syncing
> after mapping of each contiguous chunk and sync only when the whole
> mapping is completed, optimizing performance of the mapping operation.
>=20
> Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
> Reviewed-by: Robin Murphy <robin.murphy@arm.com>
> ---
>  drivers/iommu/iommu.c | 8 ++++++--
>  include/linux/iommu.h | 1 +
>  2 files changed, 7 insertions(+), 2 deletions(-)

Reviewed-by: Thierry Reding <treding@nvidia.com>

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