From mboxrd@z Thu Jan  1 00:00:00 1970
From: Felix Kuehling <felix.kuehling-5C7GfCeVMHo@public.gmane.org>
Subject: Re: [PATCH 00/13] mmu_notifier kill invalidate_page callback
Date: Thu, 31 Aug 2017 14:39:17 -0400
Message-ID: <4a58e441-5430-3b9d-a5e8-7b88b46f82cf@amd.com>
References: <20170829235447.10050-1-jglisse@redhat.com>
 <f46585ee-7a89-1d68-5698-b6de76152cde@amd.com>
 <20170831135953.GA9227@redhat.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>
In-Reply-To: <20170831135953.GA9227-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Content-Language: en-CA
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: Jerome Glisse <jglisse-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: intel-gfx <intel-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>, =?UTF-8?Q?Christian_K=c3=b6nig?= <christian.koenig-5C7GfCeVMHo@public.gmane.org>, amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
List-Id: intel-gfx@lists.freedesktop.org
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