From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Zhang, Jerry (Junwei)" <Jerry.Zhang-5C7GfCeVMHo@public.gmane.org>
Subject: Re: [PATCH 3/3] drm/amdgpu: Fix multi-level page table bugs for large
 BOs
Date: Wed, 29 Mar 2017 10:54:03 +0800
Message-ID: <58DB21CB.4090800@amd.com>
References: <1490749231-16157-1-git-send-email-Felix.Kuehling@amd.com>
 <1490749231-16157-4-git-send-email-Felix.Kuehling@amd.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"; Format="flowed"
Content-Transfer-Encoding: base64
Return-path: <amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
In-Reply-To: <1490749231-16157-4-git-send-email-Felix.Kuehling-5C7GfCeVMHo@public.gmane.org>
List-Id: Discussion list for AMD gfx <amd-gfx.lists.freedesktop.org>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/amd-gfx>,
 <mailto:amd-gfx-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=unsubscribe>
List-Archive: <https://lists.freedesktop.org/archives/amd-gfx>
List-Post: <mailto:amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
List-Help: <mailto:amd-gfx-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=help>
List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/amd-gfx>,
 <mailto:amd-gfx-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=subscribe>
Errors-To: amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Sender: "amd-gfx" <amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
To: Felix Kuehling <Felix.Kuehling-5C7GfCeVMHo@public.gmane.org>, amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, Christian.Koenig-5C7GfCeVMHo@public.gmane.org, David1.Zhou-5C7GfCeVMHo@public.gmane.org
Cc: Alexander.Deucher-5C7GfCeVMHo@public.gmane.org, Kent.Russell-5C7GfCeVMHo@public.gmane.org
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