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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 24438C433E6 for ; Fri, 5 Feb 2021 15:16:52 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id A78CE650E7 for ; Fri, 5 Feb 2021 15:16:51 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A78CE650E7 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 46CB36B0073; Fri, 5 Feb 2021 10:16:49 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 3F6E26B0074; Fri, 5 Feb 2021 10:16:49 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 248C96B0075; Fri, 5 Feb 2021 10:16:49 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0109.hostedemail.com [216.40.44.109]) by kanga.kvack.org (Postfix) with ESMTP id 0E3826B0073 for ; Fri, 5 Feb 2021 10:16:49 -0500 (EST) Received: from smtpin06.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 758073634 for ; Fri, 5 Feb 2021 15:16:48 +0000 (UTC) X-FDA: 77784566496.06.neck48_3a10bf0275e5 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin06.hostedemail.com (Postfix) with ESMTP id 520EA1004F73D for ; Fri, 5 Feb 2021 15:16:48 +0000 (UTC) X-HE-Tag: neck48_3a10bf0275e5 X-Filterd-Recvd-Size: 2884 Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by imf44.hostedemail.com (Postfix) with ESMTP for ; Fri, 5 Feb 2021 15:16:47 +0000 (UTC) IronPort-SDR: beASPvK8UgCmALZr2+BWWlofndZd965yI0IWSV5/WMDGrlMnk8S+ggk0rQPHG/cztUMSvvGM74 znqXZ5TgfPng== X-IronPort-AV: E=McAfee;i="6000,8403,9885"; a="245516060" X-IronPort-AV: E=Sophos;i="5.81,155,1610438400"; d="scan'208";a="245516060" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Feb 2021 07:16:44 -0800 IronPort-SDR: S6C8/MN991fMIKme9SySesQAZ7K5GvPlTylS3wOHj8LgHkiMMj/W8DXQA5DJDhPgtS5X0f/EGd F2pA6br7P9pQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.81,155,1610438400"; d="scan'208";a="416226114" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga002.fm.intel.com with ESMTP; 05 Feb 2021 07:16:41 -0800 Received: by black.fi.intel.com (Postfix, from userid 1000) id BFA36236; Fri, 5 Feb 2021 17:16:40 +0200 (EET) From: "Kirill A. Shutemov" To: Dave Hansen , Andy Lutomirski , Peter Zijlstra Cc: x86@kernel.org, Andrey Ryabinin , Alexander Potapenko , Dmitry Vyukov , Catalin Marinas , Will Deacon , "H . J . Lu" , Andi Kleen , linux-mm@kvack.org, linux-kernel@vger.kernel.org, "Kirill A. Shutemov" Subject: [RFC 2/9] x86/mm: Fix CR3_ADDR_MASK Date: Fri, 5 Feb 2021 18:16:23 +0300 Message-Id: <20210205151631.43511-4-kirill.shutemov@linux.intel.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210205151631.43511-1-kirill.shutemov@linux.intel.com> References: <20210205151631.43511-1-kirill.shutemov@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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: The mask must not include bits above physical address mask. These bits are reserved and can be used for other things. Bits 61 and 62 are used for Linear Address Masking. Signed-off-by: Kirill A. Shutemov --- arch/x86/include/asm/processor-flags.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/include/asm/processor-flags.h b/arch/x86/include/as= m/processor-flags.h index 02c2cbda4a74..a7f3d9100adb 100644 --- a/arch/x86/include/asm/processor-flags.h +++ b/arch/x86/include/asm/processor-flags.h @@ -35,7 +35,7 @@ */ #ifdef CONFIG_X86_64 /* Mask off the address space ID and SME encryption bits. */ -#define CR3_ADDR_MASK __sme_clr(0x7FFFFFFFFFFFF000ull) +#define CR3_ADDR_MASK __sme_clr(PHYSICAL_PAGE_MASK) #define CR3_PCID_MASK 0xFFFull #define CR3_NOFLUSH BIT_ULL(63) =20 --=20 2.26.2