From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.9 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7A568C4742C for ; Tue, 3 Nov 2020 00:22:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2E7942225E for ; Tue, 3 Nov 2020 00:22:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=ziepe.ca header.i=@ziepe.ca header.b="U0vQwEt6" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726575AbgKCAWn (ORCPT ); Mon, 2 Nov 2020 19:22:43 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57176 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726104AbgKCAWn (ORCPT ); Mon, 2 Nov 2020 19:22:43 -0500 Received: from mail-qv1-xf44.google.com (mail-qv1-xf44.google.com [IPv6:2607:f8b0:4864:20::f44]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D7A2FC0617A6 for ; Mon, 2 Nov 2020 16:22:41 -0800 (PST) Received: by mail-qv1-xf44.google.com with SMTP id g13so7027827qvu.1 for ; Mon, 02 Nov 2020 16:22:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ziepe.ca; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=h0U8boqn3EBQvT6Kbbxc6BuT59mvexf27LUkicPZNAE=; b=U0vQwEt600cnSMm9w+paOrTiSQpPDz7AmXBuVM5UkG3W6yT4VU8+M17QAcMElpAAFG uTXhvlzSZBU/TTjlLz1BkwQgYgJtWk8VYFOQeWgqACub0/M04wYrOqH270ytd+hmac8H sHTyniUFW+MyFgNZknO/JT2aT5nb9HZuosK19mNGykfnskWgBkT8wS4yGjLO1hFiL/aj sHUEcgWwBPksiogB1LPMCn1im76TUsjOUKSjmAELzHlySoxaPnPxv1RHy9JwDdCcdmeB h1HPRkZjtLSLr08U0ucBhguQ/WI7Der6dKAtJR4ZWdXiO57MlkcLAeiwUFGzCdprD8WP o9Sw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=h0U8boqn3EBQvT6Kbbxc6BuT59mvexf27LUkicPZNAE=; b=id4mq/bLgYNDASn4lQKx+mCV3gNiES/iQcNhS3ntEkfuEgJEryfhCvaFW3rUT0kxK9 VhB0HVP3GvtO+vT3w3tyHdRT1h/5KuH+W+Zifr0Nnth7dMQDPujz24aGCUkSFyM2BR+9 uRfHZAuQJXOhtEq439ruqOfu6bS9U+h33HVVq9muO+uH7ExPUeTsOjKnXFscc4ua0Yw9 5Tcjgv5uKmSxPmW8VNiAP4P0KN7VGOtPYrly6VfJjt+6MGsOm0PiC6FM/1h+gp7OSInY 01tKts7gxzivzmVutl0pIYYLQXikE/2xCZDy+216ZvOn1Vja2QjrKzOZASSkOwEJYxAI A5EQ== X-Gm-Message-State: AOAM531vODk3SR1HYtlQ00U0ZXArfDbdZhCxmB/ZMXDxs8y2V631844f 4ro8hBvbqUp4BRItFDLvBUO+hA== X-Google-Smtp-Source: ABdhPJxbkjYTENDIS2kuHfzvz3v005IvLS+wx0PhpsgTv9QKoKEbVFJ/bDWvyxbVD2ZTRh5csxuuMg== X-Received: by 2002:a0c:fb47:: with SMTP id b7mr21067534qvq.25.1604362961120; Mon, 02 Nov 2020 16:22:41 -0800 (PST) Received: from ziepe.ca (hlfxns017vw-156-34-48-30.dhcp-dynamic.fibreop.ns.bellaliant.net. [156.34.48.30]) by smtp.gmail.com with ESMTPSA id c12sm9088728qtp.14.2020.11.02.16.22.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Nov 2020 16:22:40 -0800 (PST) Received: from jgg by mlx with local (Exim 4.94) (envelope-from ) id 1kZk5v-00Fihl-TQ; Mon, 02 Nov 2020 20:22:39 -0400 Date: Mon, 2 Nov 2020 20:22:39 -0400 From: Jason Gunthorpe To: Dennis Dalessandro Cc: dledford@redhat.com, Jann Horn , linux-rdma@vger.kernel.org, Mike Marciniszyn , linux-mm@kvack.org, Ira Weiny Subject: Re: [PATCH for-rc v1] IB/hfi1: Move cached value of mm into handler Message-ID: <20201103002239.GI36674@ziepe.ca> References: <20201029012243.115730.93867.stgit@awfm-01.aw.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201029012243.115730.93867.stgit@awfm-01.aw.intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org On Wed, Oct 28, 2020 at 09:22:43PM -0400, Dennis Dalessandro wrote: > Will add a Cc for stable once the patch is finalized. I'd like to get > some more feedback on this patch especially in the mmu_interval_notifier > stuff. Which mmu_interval_notifier stuff in this patch? Can you convert this last usage of mmu_notifier in mmu_rb_handler to use an interval notifier? I seem to remember thinking it was the right thing but too complicated for me to attempt Jason