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=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 EA97BC433F4 for ; Fri, 24 Aug 2018 20:16:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A7E35208FE for ; Fri, 24 Aug 2018 20:16:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=purestorage.com header.i=@purestorage.com header.b="EgLAdCVS" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A7E35208FE Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=purestorage.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727868AbeHXXwk (ORCPT ); Fri, 24 Aug 2018 19:52:40 -0400 Received: from mail-lj1-f193.google.com ([209.85.208.193]:40807 "EHLO mail-lj1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727816AbeHXXwk (ORCPT ); Fri, 24 Aug 2018 19:52:40 -0400 Received: by mail-lj1-f193.google.com with SMTP id j19-v6so7796084ljc.7 for ; Fri, 24 Aug 2018 13:16:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=purestorage.com; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=Aj6cFGtYyNmgFRF0CsuaFHXt7/KEqSM0JH9fyvPRAAs=; b=EgLAdCVS4gIOcZUeNbd8Rics2MU7nJ91dBtxIW6IXJoHuwFlJQG0zsb7u/RDc1Qp78 Ferm0XTe2qHhhbhfTPU2lOCg5x42XJaEReVSnoArMhiBlUHevtQyEEbGajCqqZBPWaPV UZePYacMr3Cs3cDXvnOLDeK/bOR3PzvKYgFus= 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=Aj6cFGtYyNmgFRF0CsuaFHXt7/KEqSM0JH9fyvPRAAs=; b=nRp789ybPFmFffReiz+Fr336ES2fPK/w7MIVyDJ2L/jVvx0v3uxq7rrj6uiT22gb5G HNZpQvMcqaD0w+WRJVA7M8CM/h4IC3W8rYS1XB6pt0f0FpbqGiHL3MhAsNx89Udj+MIz 3/ZeWaetBH4a0o0m3s0sAp8jjJRwv3xK43p4MvfqfAywdkvv7z3nbjBNRwWI2WFqRC9X prWr8xNVhlJl67m9iokRi6fjrn5w7/IDfBjpVv4Ft7U3suf0wySKFwd5mLpi4qkdyxle LgYdFrsVDZ2opSwdkBbPQ/8T9fcS5XdEeiKMgUoWoB9uufRPv5AAEHQnG6LbzPDeKKHj xIyQ== X-Gm-Message-State: APzg51AT4kKnU4w22hUQKbbxx7vUpe+b8ZVQhMymCHHCSDtUjCEXhRlu vL86UAE+7KvlUyx9ZwxQ60nTd+IMW4QQY7Na5fTM4w== X-Google-Smtp-Source: ANB0VdY3TUtQLbHXLlSQlppXx4vZ3+3nKyajxkKbTwKH9BA8eYz5rV/V7xkNO80fRARV6UXSJwIuiFAmymbx473N5eA= X-Received: by 2002:a2e:6301:: with SMTP id x1-v6mr2396966ljb.9.1535141791333; Fri, 24 Aug 2018 13:16:31 -0700 (PDT) MIME-Version: 1.0 References: <20171215092305.994559179@linuxfoundation.org> <20171215092311.347628971@linuxfoundation.org> <1535129126.2902.36.camel@codethink.co.uk> <20180824191749.GA15489@kroah.com> <20180824201025.GB18715@roeck-us.net> In-Reply-To: <20180824201025.GB18715@roeck-us.net> From: Roland Dreier Date: Fri, 24 Aug 2018 13:16:18 -0700 Message-ID: Subject: Re: [PATCH 4.4 103/105] Revert "x86/mm/pat: Ensure cpa->pfn only contains page frame numbers" To: linux@roeck-us.net Cc: Greg Kroah-Hartman , Ben Hutchings , LKML , stable@vger.kernel.org, matt@codeblueprint.co.uk, bp@suse.de, Andrew Morton , Andy Lutomirski , luto@kernel.org, Ard Biesheuvel , bp@alien8.de, brgerst@gmail.com, davej@codemonkey.org.uk, dvlasenk@redhat.com, "H. Peter Anvin" , Linus Torvalds , Peter Zijlstra , sai.praneeth.prakhya@intel.com, sds@tycho.nsa.gov, Thomas Gleixner , toshi.kani@hp.com, linux-efi@vger.kernel.org, Ingo Molnar , Yazen.Ghannam@amd.com 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 > Sounds great. I'll hold off with sending my RFT series and wait for your > test results. I think we'll also need d367cef0a7f0c6 ("x86/mm/pat: Fix > boot crash when 1GB pages are not supported by the CPU"). Sure, makes sense - I don't have any EFI systems with CPUs old enough not to support 1G pages but that looks reasonable. I'll pull that into my tree as well. - R.