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=-1.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 0C4A7C433E0 for ; Wed, 13 May 2020 15:55:14 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 10A0C204EC for ; Wed, 13 May 2020 15:55:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="p4Atx0aU" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 10A0C204EC Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 45E6D8000E; Wed, 13 May 2020 11:55:13 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 436128000B; Wed, 13 May 2020 11:55:13 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 372DD8000E; Wed, 13 May 2020 11:55:13 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0243.hostedemail.com [216.40.44.243]) by kanga.kvack.org (Postfix) with ESMTP id 20EEE8000B for ; Wed, 13 May 2020 11:55:13 -0400 (EDT) Received: from smtpin09.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id BCD9C3AA3 for ; Wed, 13 May 2020 15:55:12 +0000 (UTC) X-FDA: 76812144864.09.frame68_2d7609c98005c X-HE-Tag: frame68_2d7609c98005c X-Filterd-Recvd-Size: 2916 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf20.hostedemail.com (Postfix) with ESMTP for ; Wed, 13 May 2020 15:55:12 +0000 (UTC) Received: from mail-wm1-f42.google.com (mail-wm1-f42.google.com [209.85.128.42]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id D0161207D0 for ; Wed, 13 May 2020 15:47:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589384821; bh=nzgdwqBNsrP+73eJCjx0UH7nQXREgSbxf60tXOz/1mA=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=p4Atx0aUEnifHVd3/OUWW8H+qTI/K7630hPdqjB3fUkCPrqxCpY6sUGWGNAA8GRZw Y4qXB4z3DbmHp+Gajo/SiOHVQZJXmkK0A6+YXCdQB+Lo3Ex5Qxn8iyrrS6owKygp7G G3F2iaU28QF8W9wn45cS/qXPMInbvnItP5fhW9nU= Received: by mail-wm1-f42.google.com with SMTP id n5so14158842wmd.0 for ; Wed, 13 May 2020 08:47:00 -0700 (PDT) X-Gm-Message-State: AGi0PuaEuXehwe5fMOKUesaYcEddjz4lzukQNWDEZ6JK7m7puSN6AjQM 8meFWqiFV6mArql/nPVs0EImu41/FLDEXGOvU4PsDA== X-Google-Smtp-Source: APiQypKuUOoHroqVE1Q2xSEZ5CJAKVmZYRRug6GQ131e/OlvUQIzVUtZ4lvV/wUI+iagtz1aPdU6tH9xKFo/pnQ17qg= X-Received: by 2002:a05:600c:2299:: with SMTP id 25mr22837779wmf.138.1589384818895; Wed, 13 May 2020 08:46:58 -0700 (PDT) MIME-Version: 1.0 References: <20200513152137.32426-1-joro@8bytes.org> <20200513152137.32426-8-joro@8bytes.org> In-Reply-To: <20200513152137.32426-8-joro@8bytes.org> From: Andy Lutomirski Date: Wed, 13 May 2020 08:46:47 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH v2 7/7] x86/mm: Remove vmalloc faulting To: Joerg Roedel Cc: X86 ML , "H. Peter Anvin" , Dave Hansen , Andy Lutomirski , Peter Zijlstra , "Rafael J. Wysocki" , Arnd Bergmann , Andrew Morton , Steven Rostedt , Vlastimil Babka , Michal Hocko , Matthew Wilcox , Joerg Roedel , LKML , Linux ACPI , linux-arch , Linux-MM Content-Type: text/plain; charset="UTF-8" X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Wed, May 13, 2020 at 8:21 AM Joerg Roedel wrote: > > From: Joerg Roedel > > Remove fault handling on vmalloc areas, as the vmalloc code now takes > care of synchronizing changes to all page-tables in the system. You should also remove sync_current_stack_to_mm().