From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Kuehling, Felix" <Felix.Kuehling-5C7GfCeVMHo@public.gmane.org>
Subject: [PATCH 1/1] drm/amdgpu: Improve error handling for HMM
Date: Tue, 7 May 2019 21:52:22 +0000
Message-ID: <20190507215202.14616-1-Felix.Kuehling@amd.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
Content-Language: en-US
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: "amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org" <amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
Cc: "Yang, Philip" <Philip.Yang-5C7GfCeVMHo@public.gmane.org>, "Kuehling,
 Felix" <Felix.Kuehling-5C7GfCeVMHo@public.gmane.org>
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