Received: by 2002:a25:4158:0:0:0:0:0 with SMTP id o85csp2829368yba; Sun, 28 Apr 2019 10:01:22 -0700 (PDT) X-Google-Smtp-Source: APXvYqzDxKAGJYoYTAdui6e007MH7W8SFSb12ayeO46t2R6/JYEHCcUQU7SQ6q8E+wEMw3hbMj7F X-Received: by 2002:aa7:978f:: with SMTP id o15mr2400111pfp.173.1556470882902; Sun, 28 Apr 2019 10:01:22 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1556470882; cv=none; d=google.com; s=arc-20160816; b=BpiXBxOGXOvCWiPg2S89QyZjgDKfMLHvbdxXVXduBusCHox8vg8f/pgJuKS+lCMnEu rr6IWI00YgOxgBVj2YWu0rVuwVDOZ+3+gOd4tkFGzAg0NHuXdOj9B4mJPAtKZlaZTVKU 33S7ut7BzU/3yqOmoOyBonfFzw6I1hak5dpnnDkXIL8WY2afgbuNQ+FXWJmRZkcqxFE5 +ovKXoX/yowkvtIZHYQJdURNNZ0xxb+o8S0ObzjJ3efJilQtLi0OSKd1sAL8Mz//ynAF ESHqgmgEhoFsV9jll7zb0RmrZFQ5cBpFeahb8LCrZCrzcs6iYXM/DjLZ8NuzKmR7NmN7 USFA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:dkim-signature; bh=v9n7p8AKaL1Ow84inuud1G/Lxyp2SJrfAsXQfEX1Lsc=; b=n8qK+QAsbYddShj+V2G1B67f614xcyY6YoW3bAFnuMIPp9A8jjADqoma2co9QKMd7h 0kvyzV2HMHI94jhAqup2C/Ybf6Lcb2WJh4wpps8qmsoUpt7zFqv161IEwdsu5LaRjQCF jiM6nECCWF15la7L6Q3lny0o3b3a/XOsqJGjVFP+DW9lz9TRPA3XOMkboqhVFcx60Yxk 6opFj0nAM/um3UNJs7fZqErCUSS1Omd8xo4AiFgJRcCVDUUM8Fwl5TtJogUQQOnMJzIw q46MqLkakfr7QYhV7MCWo5CnWnxvxdtiXQfGf0o7zJhb28jmmbjge6UuomPviVf9BSFM iUuw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linux-foundation.org header.s=google header.b=J1onYtxn; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id b3si15844117pgl.294.2019.04.28.10.01.07; Sun, 28 Apr 2019 10:01:22 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@linux-foundation.org header.s=google header.b=J1onYtxn; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726976AbfD1RAP (ORCPT + 99 others); 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-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