From mboxrd@z Thu Jan  1 00:00:00 1970
From: Leon Romanovsky <leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Subject: Re: [PATCH v13 16/20] IB/mlx4, arm64: untag user pointers in
 mlx4_get_umem_mr
Date: Mon, 29 Apr 2019 21:09:15 +0300
Message-ID: <20190429180915.GZ6705@mtr-leonro.mtl.com>
References: <cover.1553093420.git.andreyknvl@google.com>
 <1e2824fd77e8eeb351c6c6246f384d0d89fd2d58.1553093421.git.andreyknvl@google.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-Disposition: inline
In-Reply-To: <1e2824fd77e8eeb351c6c6246f384d0d89fd2d58.1553093421.git.andreyknvl-hpIqsD4AKlfQT0dZR+AlfA@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: Andrey Konovalov <andreyknvl-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
Cc: Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>, Kate Stewart <kstewart-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>, kvm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Peter Zijlstra <peterz-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>, Catalin Marinas <catalin.marinas-5wv7dgnIgG8@public.gmane.org>, Will Deacon <will.deacon-5wv7dgnIgG8@public.gmane.org>, Alexei Starovoitov <ast-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org, Eric Dumazet <edumazet-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>, linux-kselftest-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Chintan Pandya <cpandya-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>, Vincenzo Frascino <vincenzo.frascino-5wv7dgnIgG8@public.gmane.org>, Shuah Khan <shuah-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, Ingo Molnar <mingo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, linux-arch-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, "David (ChunMing) Zhou" <David1.Zhou-5C7GfCeVMHo@public.gmane.org>, Jacob Bramley <Jacob.Bramley-5wv7dgnIgG8@public.gmane.org>, Daniel Borkmann <daniel-FeC+5ew28dpmcu3hnIyYJQ@public.gmane.org>, linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, Szabolcs Nagy <Szabolcs.Nagy-5wv7dgnIgG8@public.gmane.org>, Ingo Molnar <mingo-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, Dmitry Vyukov <dvyukov-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>, Ramana Radhakrishnan <Ramana.R>
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