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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 867F5C4332F for ; Mon, 14 Nov 2022 14:13:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236895AbiKNONQ (ORCPT ); Mon, 14 Nov 2022 09:13:16 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56240 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229909AbiKNONN (ORCPT ); Mon, 14 Nov 2022 09:13:13 -0500 Received: from mail-lf1-x134.google.com (mail-lf1-x134.google.com [IPv6:2a00:1450:4864:20::134]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0BDCF24F19 for ; Mon, 14 Nov 2022 06:13:12 -0800 (PST) Received: by mail-lf1-x134.google.com with SMTP id s8so2345833lfc.8 for ; Mon, 14 Nov 2022 06:13:11 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=jUVeOBnyNFqKWpHwwbHrMkJUKp2z+BJ7NRt5LPL2W8s=; b=PnNB2vRQgdQoXeozyrUyiyiR2rVAFNOhg0UmPiHR76OSu3Ue5RkktMixU8FFLt+66o 4uc1gnXj3q/CYl5eOZaPWUx0z3YzbZIX3vAVJgjLG7IJeRk3toQFo1C6SkGX8jME8rVn YkCoUQNwFQT2Muaz5IDoBEeWqZl/trB0uJdNnAWt2bsJbKROxy99OfHeremDThll+cJX Br3jeFjwW6gpwXcqSy4zQdh+ad3zuGqoO9u0L1IcTwR1KoLljony38b8kMNHaPZz9M8L yOWxrBHPUF26GHgOLYPaWGCB4isVKofSLM4SkUVvggHiOuXMa3FBYbcjTYGcw8l6y6vK JIpw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=jUVeOBnyNFqKWpHwwbHrMkJUKp2z+BJ7NRt5LPL2W8s=; b=JOYz239Kb54jBsY8jjynUMNcXTfkZbaYxniaJ1j3D8yBRZ+azHHphH50Ta8O4g+HIl jqEpauPAuNvpszrTsCwxupCiZcEhZPplFh07f2NIkqGoqH3+23ydCOgZehGHrboUyjrU UUpSnqPA9nxnWDMA7iuS/2ExybB+P2D+GleluIs1oR5KqEsFulxiGrURTJH42hvNmbRf xc7biuSMngcjGRtFyvsyZVQSa+/01N6QbQNucZVpg82vroJ0JcXFhfQIAvEl2N984C85 Sgv6NCB6sjus1e/Y0S88jz/V6XpvXIbikVixnIyMoRzhodGKmaxuZjBSxqXm1cV9H+D5 vQLA== X-Gm-Message-State: ANoB5pl3a33LOpUjdJn+G+C9rFpSe9uWpV63aI5f/x5tLdy8vWjoVkuE DNwZt0Z1OhaGv3LmyUcYDdc= X-Google-Smtp-Source: AA0mqf5agIjQnp+wdt/U4ARfYbRQAR3FTljKwRVah8RQcD4CQdNSEplxhDI+FPWf8V8U9W0Um6bdSQ== X-Received: by 2002:ac2:4d2c:0:b0:4b1:2447:6971 with SMTP id h12-20020ac24d2c000000b004b124476971mr4039755lfk.83.1668435190240; Mon, 14 Nov 2022 06:13:10 -0800 (PST) Received: from ?IPV6:2a02:6b8:0:107:3e85:844d:5b1d:60a? ([2a02:6b8:0:107:3e85:844d:5b1d:60a]) by smtp.gmail.com with ESMTPSA id k2-20020ac257c2000000b004b4930d53b5sm1271041lfo.134.2022.11.14.06.13.09 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 14 Nov 2022 06:13:09 -0800 (PST) Message-ID: Date: Mon, 14 Nov 2022 17:13:10 +0300 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.4.2 Subject: Re: [PATCH v2 4/5] x86/kasan: Add helpers to align shadow addresses up and down Content-Language: en-US To: Sean Christopherson , Dave Hansen , Andy Lutomirski , Peter Zijlstra , Thomas Gleixner , Ingo Molnar , Borislav Petkov , x86@kernel.org Cc: "H. Peter Anvin" , Alexander Potapenko , Andrey Konovalov , Dmitry Vyukov , Vincenzo Frascino , linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com, syzbot+ffb4f000dc2872c93f62@syzkaller.appspotmail.com, syzbot+8cdd16fd5a6c0565e227@syzkaller.appspotmail.com References: <20221110203504.1985010-1-seanjc@google.com> <20221110203504.1985010-5-seanjc@google.com> From: Andrey Ryabinin In-Reply-To: <20221110203504.1985010-5-seanjc@google.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 11/10/22 23:35, Sean Christopherson wrote: > Add helpers to dedup code for aligning shadow address up/down to page > boundaries when translating an address to its shadow. > > No functional change intended. > > Signed-off-by: Sean Christopherson > --- > arch/x86/mm/kasan_init_64.c | 40 ++++++++++++++++++++----------------- > 1 file changed, 22 insertions(+), 18 deletions(-) > Reviewed-by: Andrey Ryabinin