From patchwork Tue Apr 26 16:43:15 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Potapenko X-Patchwork-Id: 12827528 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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 171A9C433FE for ; Tue, 26 Apr 2022 16:46:22 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id A19B36B0088; Tue, 26 Apr 2022 12:46:21 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 9CE236B0089; Tue, 26 Apr 2022 12:46:21 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 8BA056B008A; Tue, 26 Apr 2022 12:46:21 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (relay.hostedemail.com [64.99.140.28]) by kanga.kvack.org (Postfix) with ESMTP id 7CB316B0088 for ; Tue, 26 Apr 2022 12:46:21 -0400 (EDT) Received: from smtpin02.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay12.hostedemail.com (Postfix) with ESMTP id 64C8F120782 for ; Tue, 26 Apr 2022 16:46:21 +0000 (UTC) X-FDA: 79399608162.02.76055A8 Received: from mail-ed1-f73.google.com (mail-ed1-f73.google.com [209.85.208.73]) by imf05.hostedemail.com (Postfix) with ESMTP id 6B1A9100056 for ; Tue, 26 Apr 2022 16:46:14 +0000 (UTC) Received: by mail-ed1-f73.google.com with SMTP id r30-20020a50d69e000000b00425e1e97671so3852527edi.18 for ; Tue, 26 Apr 2022 09:46:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=XPVyte1DHdZzGVqIYLZisC9WWn/NV5PTOOmKGsNYVqI=; b=tfexPWSj1PSjUb4y32u6HDb/QnE+2ju4Q3VQ+kF29tn7ADhoO3fHaJy9KBX3jTsEd8 BhBWx/VeORcURqli+p+9+1QH8obAqShcA6ErLkkeVUmnfCO3qJEDT5UirMbYVSK2rKI7 EHcv+GYbS6ck2ZGcmgknDsZroKT9WTKBy/bFVemoqQAXMDxG6HC+soFmb8T4ca/gXcrO ftqfgIZ/fqbniMJnPu4e11czzALuk3B6wUJb7Az/LpjxMDJcInKVf5CafrOSxVa2JPzU ++NO1MFfBz4ggnwPlPZhMJNmDFkkEcXO47/KdD9d+fQq4LH0V9JjN+pdxl1pwz5u4gCv AAQg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=XPVyte1DHdZzGVqIYLZisC9WWn/NV5PTOOmKGsNYVqI=; b=uk/NswhNYmGUZGnhIVh5JHoNoMKV4NoXJSg+gm5rrW6W415Dq17owixvVV9N8YYNlJ IwcR/7l9dUWYvjWA5gbxDI/V+wpLXeCgsAzD6QQCBdhXLauOyZlTdVKy1YOkVFY8Esiw 7Cv9LBVjtpm2y1cyLNWQu6A/6ehOZl+VBTNTm4jZN2FqVvE3uFPIio7uNQb0Pbp7H5CH oAYT6MFl7MdVKef/Uu1vzxi15U19Kn/p3hNM9yeB7za23WkacAblBE4bf3C1/aY78Jex TVwbxpFIXJieqcyjSB1rkwpg9QTfO1eQubaZh1va2GR2icRWjD+jBSThMacBQsol8YWx l8Ug== X-Gm-Message-State: AOAM532QGc8/RMmpu1zGoXpg16a+afiiUztuQ7Lyq57h1VJKOvWdYxKg MAWTdsIia5k+bVrAR1oiE+C5r9pq6Ys= X-Google-Smtp-Source: ABdhPJxd69pRVvXv3tLXpgiAhti/608pH1mq1OSHk1HEp8P9KBrw2Up9R6Lp+Ti78ee6VL9a6lRzmQRfcX0= X-Received: from glider.muc.corp.google.com ([2a00:79e0:15:13:d580:abeb:bf6d:5726]) (user=glider job=sendgmr) by 2002:a17:906:478b:b0:6db:8b6e:d5de with SMTP id cw11-20020a170906478b00b006db8b6ed5demr22938586ejc.161.1650991579678; Tue, 26 Apr 2022 09:46:19 -0700 (PDT) Date: Tue, 26 Apr 2022 18:43:15 +0200 In-Reply-To: <20220426164315.625149-1-glider@google.com> Message-Id: <20220426164315.625149-47-glider@google.com> Mime-Version: 1.0 References: <20220426164315.625149-1-glider@google.com> X-Mailer: git-send-email 2.36.0.rc2.479.g8af0fa9b8e-goog Subject: [PATCH v3 46/46] x86: kmsan: enable KMSAN builds for x86 From: Alexander Potapenko To: glider@google.com Cc: Alexander Viro , Andrew Morton , Andrey Konovalov , Andy Lutomirski , Arnd Bergmann , Borislav Petkov , Christoph Hellwig , Christoph Lameter , David Rientjes , Dmitry Vyukov , Eric Dumazet , Greg Kroah-Hartman , Herbert Xu , Ilya Leoshkevich , Ingo Molnar , Jens Axboe , Joonsoo Kim , Kees Cook , Marco Elver , Mark Rutland , Matthew Wilcox , "Michael S. Tsirkin" , Pekka Enberg , Peter Zijlstra , Petr Mladek , Steven Rostedt , Thomas Gleixner , Vasily Gorbik , Vegard Nossum , Vlastimil Babka , kasan-dev@googlegroups.com, linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org X-Stat-Signature: 6xjtj9sh1sqt3sqxoj8xgdesaqwsuczf X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 6B1A9100056 X-Rspam-User: Authentication-Results: imf05.hostedemail.com; dkim=pass header.d=google.com header.s=20210112 header.b=tfexPWSj; dmarc=pass (policy=reject) header.from=google.com; spf=pass (imf05.hostedemail.com: domain of 32yFoYgYKCNgAFC78LAIIAF8.6IGFCHOR-GGEP46E.ILA@flex--glider.bounces.google.com designates 209.85.208.73 as permitted sender) smtp.mailfrom=32yFoYgYKCNgAFC78LAIIAF8.6IGFCHOR-GGEP46E.ILA@flex--glider.bounces.google.com X-HE-Tag: 1650991574-911247 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: Make KMSAN usable by adding the necessary Kconfig bits. Signed-off-by: Alexander Potapenko --- Link: https://linux-review.googlesource.com/id/I1d295ce8159ce15faa496d20089d953a919c125e --- arch/x86/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 3209073f96415..592f5ca2017c2 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -168,6 +168,7 @@ config X86 select HAVE_ARCH_KASAN if X86_64 select HAVE_ARCH_KASAN_VMALLOC if X86_64 select HAVE_ARCH_KFENCE + select HAVE_ARCH_KMSAN if X86_64 select HAVE_ARCH_KGDB select HAVE_ARCH_MMAP_RND_BITS if MMU select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT