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=-21.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT, USER_IN_DEF_DKIM_WL autolearn=unavailable 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 25A5FC433DB for ; Sat, 6 Mar 2021 00:17:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E172E65056 for ; Sat, 6 Mar 2021 00:17:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229750AbhCFAQa (ORCPT ); Fri, 5 Mar 2021 19:16:30 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47526 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229576AbhCFAQA (ORCPT ); Fri, 5 Mar 2021 19:16:00 -0500 Received: from mail-wr1-x44a.google.com (mail-wr1-x44a.google.com [IPv6:2a00:1450:4864:20::44a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3F76CC06175F for ; Fri, 5 Mar 2021 16:16:00 -0800 (PST) Received: by mail-wr1-x44a.google.com with SMTP id m9so1779744wrx.6 for ; Fri, 05 Mar 2021 16:16:00 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=sender:date:message-id:mime-version:subject:from:to:cc; bh=Vm4vyPpxQ7w8FtG0FaFIYIajGbm/X1qa4ffJxCVDSQc=; b=WOH4/bdPZRdpEM3NJYFopgN3Pp+cuDQnWnreBB08vKkOkWXlr6htLh6Bgyo/G6Rwvi JcdlO8bY8dd3U1qA4r3XmcBXtP3Vnoo0nJ53zxSVUdoN5POu/lJDfFxKTQ1oT2XwkKLW Iy8lkW46C00xIX6/84xDT7luQ5ugnCxl7a/LWNZgOzkv8uxYt2lF6vFQh1Vpllc1m9UM b9WVok/veTipaxNWI23jD9AVUHhdhPzXkgxlgija2uVsX5IQzDIPtrXMKlncuAZOg6N7 jyq/viI290LngkpJZY6wOfCmBKIdFtLKAzWx6oa3XshBCZNWBCedgGY8m2WvLFZJBZvv ovTw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:message-id:mime-version:subject:from :to:cc; bh=Vm4vyPpxQ7w8FtG0FaFIYIajGbm/X1qa4ffJxCVDSQc=; b=jpDTQhhGniYCEeXDAHRBcEUtJNqlrP7dVfDNQejkdeJhojc0i64MeVVc9oS2YqQMAO OKQd8bK8dDb8Anb+LqHbKDOHjioAWPrWnLUpIiJFOHLVSB3j41oz7F3UOltyQ5d98bA2 M2ljcj/qJuc8OapLTJ/y2ExHmDfCFPLV9xiWEQFZIQlADlo+92+8nRXt6Pe3q5FJwkqi 3svssTurW8jagA6YkKPTX59OPHhxj203dno/sMoRKxV0OZhSHXKsOIpYs0dd9QNpF4ir KzxxoanjnMKET542jgqDJZEsdJtn7uHr2olZQcuQITz5WBKtrs8dlvsFM1vdcyyfxibb dfsA== X-Gm-Message-State: AOAM532OgkupkBqIRqqJLym8W45Dfztaq5xqcB7JL1Aj0TMbWmTXAjtr nenmmZY4hCPLx8N1l+LjhMCddTMmL9z/M5hj X-Google-Smtp-Source: ABdhPJyqv+Z1WxarFIPJMB/BoL525nnYCwDuEvMd9JMOQnru4zl57QKqAIoddJdR+IFnZzhsdIO6cazeqZtXLvL2 Sender: "andreyknvl via sendgmr" X-Received: from andreyknvl3.muc.corp.google.com ([2a00:79e0:15:13:953b:d7cf:2b01:f178]) (user=andreyknvl job=sendgmr) by 2002:a1c:f203:: with SMTP id s3mr11046868wmc.152.1614989758870; Fri, 05 Mar 2021 16:15:58 -0800 (PST) Date: Sat, 6 Mar 2021 01:15:49 +0100 Message-Id: Mime-Version: 1.0 X-Mailer: git-send-email 2.30.1.766.gb4fecdf3b7-goog Subject: [PATCH 0/5] kasan: integrate with init_on_alloc/free From: Andrey Konovalov To: Alexander Potapenko Cc: Andrew Morton , Catalin Marinas , Will Deacon , Vincenzo Frascino , Dmitry Vyukov , Andrey Ryabinin , Marco Elver , Peter Collingbourne , Evgenii Stepanov , Branislav Rankov , Kevin Brodsky , kasan-dev@googlegroups.com, linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Andrey Konovalov Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This goes on top of: [v3] kasan, mm: fix crash with HW_TAGS and DEBUG_PAGEALLOC [v3] mm, kasan: don't poison boot memory with tag-based modes This patch series integrates HW_TAGS KASAN with init_on_alloc/free by initializing memory via the same arm64 instruction that sets memory tags. This is expected to improve HW_TAGS KASAN performance when init_on_alloc/free is enabled. The exact perfomance numbers are unknown as MTE-enabled hardware doesn't exist yet. Andrey Konovalov (5): arm64: kasan: allow to init memory when setting tags kasan: init memory in kasan_(un)poison for HW_TAGS kasan, mm: integrate page_alloc init with HW_TAGS kasan, mm: integrate slab init_on_alloc with HW_TAGS kasan, mm: integrate slab init_on_free with HW_TAGS arch/arm64/include/asm/memory.h | 4 +- arch/arm64/include/asm/mte-kasan.h | 20 ++++++--- include/linux/kasan.h | 34 ++++++++------- lib/test_kasan.c | 4 +- mm/kasan/common.c | 45 +++++++++---------- mm/kasan/generic.c | 12 ++--- mm/kasan/kasan.h | 19 ++++---- mm/kasan/shadow.c | 10 ++--- mm/kasan/sw_tags.c | 2 +- mm/mempool.c | 4 +- mm/page_alloc.c | 37 +++++++++++----- mm/slab.c | 43 ++++++++++-------- mm/slab.h | 17 ++++++-- mm/slub.c | 70 +++++++++++++++--------------- 14 files changed, 182 insertions(+), 139 deletions(-) -- 2.30.1.766.gb4fecdf3b7-goog