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=-3.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,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 CF052C433EF for ; Tue, 21 Sep 2021 14:25:55 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 6F6CB60F9E for ; Tue, 21 Sep 2021 14:25:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 6F6CB60F9E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvack.org Received: by kanga.kvack.org (Postfix) id C2A056B0071; Tue, 21 Sep 2021 10:25:54 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id BD941900002; Tue, 21 Sep 2021 10:25:54 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id A52816B0073; Tue, 21 Sep 2021 10:25:54 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0007.hostedemail.com [216.40.44.7]) by kanga.kvack.org (Postfix) with ESMTP id 968776B0071 for ; Tue, 21 Sep 2021 10:25:54 -0400 (EDT) Received: from smtpin35.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 54619181AF5FE for ; Tue, 21 Sep 2021 14:25:54 +0000 (UTC) X-FDA: 78611804628.35.5921D6E Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf27.hostedemail.com (Postfix) with ESMTP id DEEBA70000A8 for ; Tue, 21 Sep 2021 14:25:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=TjymtK4Uye3NIhYBiQcIsrxWTzAB+926rKoA7a0oIl4=; b=nJH/ZHUc056KnYDUhZ79RhbyLH 9b9XF3BRAv73fmIPFatTDQN/Y3+AaF2XHCtLDbKzj6FbO2ov3tvsT+OdPk3/yHS6WxO4wIzW+3rlj DxZLVOH5Z5yM1Wor9ga6Hnwqtdulifue2U8D0QDs8X1A8fgMq3MzNBsgiXLNff+E7sKQIH+YpzcWd xL1DQpyfeIyWByjCxv9UAdajFUR4xdK6tT8AK4LrI5qv8Av+XvAmKLSVK9idzgSfBdXOX8bgQrCVL a/y6Kqv8wUzoxdRJ3BpG7Ely0F1WICsadHA6fbxSwfNP0l4hgKyluHmIN2JFr29DA4t/7tO7ttxwx s11nPe6w==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1mSgcQ-003s8S-WF; Tue, 21 Sep 2021 14:19:47 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id B137C3000A9; Tue, 21 Sep 2021 16:19:31 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 9EA762019DA07; Tue, 21 Sep 2021 16:19:31 +0200 (CEST) Date: Tue, 21 Sep 2021 16:19:31 +0200 From: Peter Zijlstra To: Kees Cook Cc: sxwjean@me.com, x86@kernel.org, linux-mm@kvack.org, Xiongwei Song , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , Andy Lutomirski , Gabriel Krisman Bertazi , "Chang S. Bae" , Al Viro , Arvind Sankar , Alexey Dobriyan , Oleg Nesterov , Balbir Singh , Jens Axboe , Lai Jiangshan , Dave Hansen , Andrew Morton , Arnd Bergmann , "David S. Miller" , Kim Phillips , Yazen Ghannam , Davidlohr Bueso , Stefan Metzmacher , Marco Elver , "Eric W. Biederman" , Christophe Leroy , linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/2] Use generic code for virtual address of randomization of x86 Message-ID: References: <20210921110252.2593542-1-sxwjean@me.com> <4EB3D825-264D-447A-8C55-FA0CE8BC31F6@chromium.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4EB3D825-264D-447A-8C55-FA0CE8BC31F6@chromium.org> X-Stat-Signature: apkyc4cdn58qx9pymkogc7at8jtb3ppu Authentication-Results: imf27.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b="nJH/ZHUc"; dmarc=none; spf=none (imf27.hostedemail.com: domain of peterz@infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=peterz@infradead.org X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: DEEBA70000A8 X-HE-Tag: 1632234353-188359 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 Tue, Sep 21, 2021 at 06:24:07AM -0700, Kees Cook wrote: > > > On September 21, 2021 4:02:50 AM PDT, sxwjean@me.com wrote: > >From: Xiongwei Song > > > >Hello, > > > >The two patches are to use generic code for randomization of virtual > >address of x86. Since the basic code logic of x86 is same as generic > >code, so no need to implement these functions on x86, please see the > >details in comments of patch 2. > > Hi! > > The other patches do not seem to have arrived; I only see 0/2. They were only sent to the list for some weird raisin. Operator error perhaps.