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=-1.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_PASS autolearn=ham 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 5B3E1C43218 for ; Sun, 28 Apr 2019 17:00:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 23C1120693 for ; Sun, 28 Apr 2019 17:00:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1556470817; bh=HAEghlCzUCCIZHy1LEKj6xAj/6M1XR1i1cZSzi2ej/I=; h=References:In-Reply-To:From:Date:Subject:To:Cc:List-ID:From; b=Mfj++qKqOrynnpk930osqL6fbaA27aYMdUaIujoyCJlDCVJC7JwtF4SVeKWFAS9+i 00md0VFl0AP78K0Tz9YbNcy553gSelh14djOJjV+toACq274y17a9iVSU/nhaC6wBk HdunLhCDpdwvju7uqS+K6N7AdtkxJfTsE6AJUTuI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727003AbfD1RAP (ORCPT ); Sun, 28 Apr 2019 13:00:15 -0400 Received: from mail-lf1-f65.google.com ([209.85.167.65]:46226 "EHLO mail-lf1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726674AbfD1RAP (ORCPT ); Sun, 28 Apr 2019 13:00:15 -0400 Received: by mail-lf1-f65.google.com with SMTP id k18so5984271lfj.13 for ; Sun, 28 Apr 2019 10:00:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=v9n7p8AKaL1Ow84inuud1G/Lxyp2SJrfAsXQfEX1Lsc=; b=J1onYtxnImkD1yCPEBS9gRLDZmeabFG1KQ2zd//GuygjdySPtdijgil8yhuvmqIlBz vhB00quVwkLwhxbBRedTIz1L2NtTHT2V0SppiKXa/7ZkwlU43rJfzA+Rf1pRriD/B8lt D9OMVrZFGZiWAvrgv2Lt6616X3D9jvjZDhuZU= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=v9n7p8AKaL1Ow84inuud1G/Lxyp2SJrfAsXQfEX1Lsc=; b=LfJOyD2aa1okgcFYrraLIfwbskWCZ5TjdvahNXmRHqEixL7TpnrwfxhKhOv1v+xZZV m8zWtoY+uDvoNIpPMlp/I6RUF/HUwFOw4diMSyh7h4sMAvTIf3r7erNNulsGx6UywZs3 yHYfDBCFNzrtNtvVCMV55idD/EUKuNcZZZ/HNTzLsuFRCBZehmDiTp8j0BCm5krrRiKX T8M1I5i2FHhypYdM96Nkx0ZmIo1N58BSFvhbJJSkYqgT0K2U5DVkvn/xaf7SslKqV9Bj 6Vt/jTiL+S3EPl5S/PwBDZUWPOfMdw2M8nzlybu6XuEduRwxNZER4rn/mxJwOkD7cyyk 92RA== X-Gm-Message-State: APjAAAVJtcgORcGzEQWhhkCpZvNprZm/TJzdN5/K4tMOufP40xxRgsWP fY+O1a4N1rF8Ak0c0jKzoy1nbTPd+hE= X-Google-Smtp-Source: APXvYqzNnS58pXG3Y1BI1eHy1VrWnZUbfsdRTnru4yul2x4eyXU2jqCmJATOD1lNmX2itms83iKIaA== X-Received: by 2002:a19:1949:: with SMTP id 70mr22020469lfz.103.1556470813235; Sun, 28 Apr 2019 10:00:13 -0700 (PDT) Received: from mail-lj1-f173.google.com (mail-lj1-f173.google.com. [209.85.208.173]) by smtp.gmail.com with ESMTPSA id g6sm6432343lja.64.2019.04.28.10.00.12 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 28 Apr 2019 10:00:12 -0700 (PDT) Received: by mail-lj1-f173.google.com with SMTP id s7so4517717ljh.1 for ; Sun, 28 Apr 2019 10:00:12 -0700 (PDT) X-Received: by 2002:a2e:8090:: with SMTP id i16mr4985655ljg.135.1556470811917; Sun, 28 Apr 2019 10:00:11 -0700 (PDT) MIME-Version: 1.0 References: <20190428115207.GA11924@ziepe.ca> In-Reply-To: <20190428115207.GA11924@ziepe.ca> From: Linus Torvalds Date: Sun, 28 Apr 2019 09:59:56 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [GIT PULL] Please pull RDMA subsystem changes To: Jason Gunthorpe Cc: Doug Ledford , "linux-rdma@vger.kernel.org" , "linux-kernel@vger.kernel.org" Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Apr 28, 2019 at 4:52 AM Jason Gunthorpe wrote: > > Nothing particularly special here. There is a small merge conflict > with Adrea's mm_still_valid patches which is resolved as below: I still don't understand *why* you play the crazy VM games to begin with. What's wrong with just returning SIGBUS? Why does that rdma_umap_fault() not just look like this one-liner: return VM_FAULT_SIGBUS; without the crazy parts? Nobody ever explained why you'd want to have that silly "let's turn it into a bogus anonymous mapping". I've pulled this, but why do the rdma and SCSI people always do these strange and pointless things? Linus