From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jordan Crouse <jcrouse-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
Subject: [PATCH 6/7] iommu: Add dynamic domains
Date: Tue,  7 Mar 2017 09:39:54 -0700
Message-ID: <1488904795-870-7-git-send-email-jcrouse@codeaurora.org>
References: <1488904795-870-1-git-send-email-jcrouse@codeaurora.org>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <freedreno-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
In-Reply-To: <1488904795-870-1-git-send-email-jcrouse-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/freedreno>,
 <mailto:freedreno-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=unsubscribe>
List-Archive: <https://lists.freedesktop.org/archives/freedreno>
List-Post: <mailto:freedreno-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
List-Help: <mailto:freedreno-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=help>
List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/freedreno>,
 <mailto:freedreno-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=subscribe>
Errors-To: freedreno-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Sender: "Freedreno" <freedreno-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
To: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, freedreno-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Cc: linux-arm-msm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
List-Id: iommu@lists.linux-foundation.org
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