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=-4.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 0D43EC433EC for ; Mon, 27 Jul 2020 11:08:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E129D205CB for ; Mon, 27 Jul 2020 11:08:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595848092; bh=FCKVuuwblXPspUiI5FTHTkVwa4FYH4IgbfJfxd4McO8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=teuKJxKLFygKWuIxr1hswGgtjwb9z2HfI6K+FutIfjXEBWrBIMGD+U1TUpUN10p08 TV3tgfNOSN3KEHCJHqA57iybE1U86zbLSha6tmNM7y25O0NQ7W2/kKAxycNm/6x66v 3wsHaSSCiLGh3GI/yFMHv2w2VD/TpX7IP0HKDyBU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728300AbgG0LIL (ORCPT ); Mon, 27 Jul 2020 07:08:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34900 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726842AbgG0LIK (ORCPT ); Mon, 27 Jul 2020 07:08:10 -0400 Received: from mail-ej1-x641.google.com (mail-ej1-x641.google.com [IPv6:2a00:1450:4864:20::641]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7E3D0C061794 for ; Mon, 27 Jul 2020 04:08:10 -0700 (PDT) Received: by mail-ej1-x641.google.com with SMTP id g7so8348900ejw.12 for ; Mon, 27 Jul 2020 04:08:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=RwIbYX4tpIvaMqMMybkeITF1WqLqpQeUKMEgUeMi77w=; b=Wlk1/2t1P+pF4N7yMXUW4N2wf8GT1C+3c0lTst7Dm1Kl2N2vtZznaDJvyZ9+WzK9pD +TTKk4kKUSt2+k1wdZxBpDqg6BN7JlexuzvAS8niYNsqg4HCOBMGa65SCcuQBUWbSf9q At1LsqecLQDJh+XI4juzy+Ib/as0kYjWBfjO0ikwatUKCOVWWBFk3OddnMdPnEed9o+P O9oYkcLmeOL2m9xLutdxlmagLjFZGb8L66YY74x458YTt769aJa9UXnT7gz9gxvLYzyZ PHcxGynin8/rYFQME9NyCUUxZ/9evzFY34J+njGC2D1rNS05isLUF40pKcG+tuhbRgAU nCZQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to; bh=RwIbYX4tpIvaMqMMybkeITF1WqLqpQeUKMEgUeMi77w=; b=MnEGjfwQnk7miCn7mY/B24FclrNvF6Q7iWy76CNW3ApkxyCBmMbxb0oAPZ9VPfxzvB Ae1QeBLx78/o+pdgMOW+ghOAIB4kpyJT0lImPw62wc73CXliKql4PvJf3KnVWhzl9Vwd b+kLXzvmDiVGkuAicT2fcmw4U5S4uMTgD2KCHGA5hPuPYqtc3vRe0FR1zNImnEm1hWxI sPNX21IwqG4mSmvvHbjl4JZ67f0EdMvKP6vhyzvG94bsWMAWZrgeEvXzOJVRfUNxLOmL Q6IGlwVPZu/w8u5sqirRy+fF9ykpBGU9tPYJcIoAuBSdZIpS4yrHqEjjIjLGCmQ5XKAJ 9Glw== X-Gm-Message-State: AOAM533R5sPHdDmCrTLhtpk5qubWsU2r8Kxkn6LMpgcfK/rLRS/PJFAb viomMh3hvYy5G6PZovMooJtJLdJN X-Google-Smtp-Source: ABdhPJx74sN0vJYTB8+Uo4VZ5jmm4xaQnmBby1us3Jm4w0zB+hsL02a5kLmTjiyWDGYJjDvbg1cIDA== X-Received: by 2002:a17:906:3614:: with SMTP id q20mr14816263ejb.142.1595848089310; Mon, 27 Jul 2020 04:08:09 -0700 (PDT) Received: from gmail.com (54033286.catv.pool.telekom.hu. [84.3.50.134]) by smtp.gmail.com with ESMTPSA id w20sm7227187eds.21.2020.07.27.04.08.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Jul 2020 04:08:08 -0700 (PDT) Date: Mon, 27 Jul 2020 13:08:06 +0200 From: Ingo Molnar To: Joerg Roedel Cc: x86@kernel.org, hpa@zytor.com, Dave Hansen , Andy Lutomirski , Peter Zijlstra , Andrew Morton , Mike Rapoport , Joerg Roedel , linux-kernel@vger.kernel.org Subject: Re: [PATCH v3 0/3] x86/mm/64: Remove vmalloc/ioremap pgtable synchronization Message-ID: <20200727110806.GB3174@gmail.com> References: <20200721095953.6218-1-joro@8bytes.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200721095953.6218-1-joro@8bytes.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Joerg Roedel wrote: > From: Joerg Roedel > > Hi, > > here is the third version of the patches to pre-allocate P4D/PUD pages > for the vmalloc/ioremap areas on x86-64. This makes the page-table > synchronization code obsolete and so it is also removed. > > Please review. > > Thanks, > > Joerg > > Changes to v2: > > - Rebased to tip/master > - Some rewording of the commit-messages > > Joerg Roedel (3): > x86/mm: Pre-allocate p4d/pud pages for vmalloc area > x86/mm/64: Do not sync vmalloc/ioremap mappings > x86/mm/64: Make sync_global_pgds() static > > arch/x86/include/asm/pgtable_64.h | 2 - > arch/x86/include/asm/pgtable_64_types.h | 2 - > arch/x86/mm/init_64.c | 59 ++++++++++++++++++++++--- > 3 files changed, 53 insertions(+), 10 deletions(-) Applied to tip:x86/mm, thanks Joerg! Ingo