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 A4263C6379F for ; Tue, 21 Feb 2023 07:19:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233504AbjBUHTM (ORCPT ); Tue, 21 Feb 2023 02:19:12 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52872 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232992AbjBUHTM (ORCPT ); Tue, 21 Feb 2023 02:19:12 -0500 Received: from szxga08-in.huawei.com (szxga08-in.huawei.com [45.249.212.255]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9A3856180 for ; Mon, 20 Feb 2023 23:19:10 -0800 (PST) Received: from kwepemm600017.china.huawei.com (unknown [172.30.72.53]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4PLVvp1cQmz16NlY; Tue, 21 Feb 2023 15:16:38 +0800 (CST) Received: from [10.174.179.234] (10.174.179.234) by kwepemm600017.china.huawei.com (7.193.23.234) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.17; Tue, 21 Feb 2023 15:19:05 +0800 Message-ID: <2b814e48-d304-e48a-e4b4-c39a10d2dbf4@huawei.com> Date: Tue, 21 Feb 2023 15:19:05 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.8.0 To: From: Tong Tiangen Subject: Consultation on backport 97e3d26b5e5f("x86/mm: Randomize per-cpu entry area") to stable CC: , , Dave Hansen , , Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.174.179.234] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To kwepemm600017.china.huawei.com (7.193.23.234) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org Hi peter: Do you have any plans to backport this patch[1] to the stable branch of the lower version, such as 4.19.y ? When I try to backport this patch to 5.10.y, I met some KASAN[2] and KASLR[3] related issues. Although they were finally solved, there were still some detours in the process. [1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=97e3d26b5e5f371b3ee223d94dd123e6c442ba80 [2] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3f148f3318140035e87decc1214795ff0755757b [3] Best Regards, Tong .