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=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 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 A2D65C43603 for ; Sat, 14 Dec 2019 07:13:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 791212465B for ; Sat, 14 Dec 2019 07:13:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alien8.de header.i=@alien8.de header.b="L+cDiK2o" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726101AbfLNHNh (ORCPT ); Sat, 14 Dec 2019 02:13:37 -0500 Received: from mail.skyhub.de ([5.9.137.197]:40498 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725730AbfLNHNg (ORCPT ); Sat, 14 Dec 2019 02:13:36 -0500 Received: from zn.tnic (p200300EC2F0A5A00D0F33451B6E85A6B.dip0.t-ipconnect.de [IPv6:2003:ec:2f0a:5a00:d0f3:3451:b6e8:5a6b]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id A16B91EC02D2; Sat, 14 Dec 2019 08:13:35 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1576307615; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=O4cUJfhfIm6Vq0fIrXBbCsIIq316DP/Jj9B41AfGuo8=; b=L+cDiK2oScjfSpQqVBm7TSXSRiVQmfnXUMJzzzMBG3TS3Mb3KixJ9ZM/kDef2xhZ+6AYdV +LDVkhuqLWOyu+1EMwAKW3a0gOYvkDexSe5jVVl2anLz5RPQZ2eBUwN3Br0UCz+Jw0ROmx 7B7hXTNhhOffV4CXl/nleqo7Pnt1yeU= Date: Sat, 14 Dec 2019 08:13:29 +0100 From: Borislav Petkov To: Baoquan He Cc: Masayoshi Mizuma , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , x86@kernel.org, Masayoshi Mizuma , linux-kernel@vger.kernel.org Subject: Re: [PATCH v5 4/4] x86/mm/KASLR: Adjust the padding size for the direct mapping. Message-ID: <20191214071329.GA28635@zn.tnic> References: <20191115144917.28469-1-msys.mizuma@gmail.com> <20191115144917.28469-5-msys.mizuma@gmail.com> <20191212201916.GL4991@zn.tnic> <20191213132850.GG28917@MiWiFi-R3L-srv> <20191213141543.GA25899@zn.tnic> <20191213145448.GH28917@MiWiFi-R3L-srv> <20191213163818.GB25899@zn.tnic> <20191213232928.GI28917@MiWiFi-R3L-srv> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20191213232928.GI28917@MiWiFi-R3L-srv> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Dec 14, 2019 at 07:29:28AM +0800, Baoquan He wrote: > OK, you mean parsing SRAT again before kernel_randomize_memory(). I > think this is what Masa made this patchset to avoid. Then we will have > three times SRAT parsing. Can the SRAT parsing be *moved* up so that it is done before kernel_randomize_memory() ? So that it doesn't happen 3 times and acpi_numa_init() can simply use the already parsed results. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette