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 41D48C433EF for ; Sat, 5 Mar 2022 14:49:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231867AbiCEOuD (ORCPT ); Sat, 5 Mar 2022 09:50:03 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38500 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229793AbiCEOuC (ORCPT ); Sat, 5 Mar 2022 09:50:02 -0500 Received: from out30-132.freemail.mail.aliyun.com (out30-132.freemail.mail.aliyun.com [115.124.30.132]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3FCA4201BD for ; Sat, 5 Mar 2022 06:49:11 -0800 (PST) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R161e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04395;MF=dtcccc@linux.alibaba.com;NM=1;PH=DS;RN=7;SR=0;TI=SMTPD_---0V6HF7hU_1646491739; Received: from localhost.localdomain(mailfrom:dtcccc@linux.alibaba.com fp:SMTPD_---0V6HF7hU_1646491739) by smtp.aliyun-inc.com(127.0.0.1); Sat, 05 Mar 2022 22:49:08 +0800 From: Tianchen Ding To: Alexander Potapenko , Marco Elver , Dmitry Vyukov , Andrew Morton Cc: kasan-dev@googlegroups.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 0/2] provide the flexibility to enable KFENCE Date: Sat, 5 Mar 2022 22:48:56 +0800 Message-Id: <20220305144858.17040-1-dtcccc@linux.alibaba.com> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, I'm sending v2 about (re-)enabling KFENCE. I've removed description about use case and just focus on flexibility. Thanks. v2: Take KFENCE_WARN_ON() into account. Do not allow re-enabling KFENCE if it once disabled by warn. Modify func names and comments. RFC/v1: https://lore.kernel.org/all/20220303031505.28495-1-dtcccc@linux.alibaba.com/ Tianchen Ding (2): kfence: Allow re-enabling KFENCE after system startup kfence: Alloc kfence_pool after system startup mm/kfence/core.c | 114 ++++++++++++++++++++++++++++++++++++++--------- 1 file changed, 93 insertions(+), 21 deletions(-) -- 2.27.0