Message ID | 20190508144422.13171-60-kirill.shutemov@linux.intel.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <owner-linux-mm@kvack.org> Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id BDBD5924 for <patchwork-linux-mm@patchwork.kernel.org>; Wed, 8 May 2019 14:47:05 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id AE7F12844B for <patchwork-linux-mm@patchwork.kernel.org>; Wed, 8 May 2019 14:47:05 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A290428485; Wed, 8 May 2019 14:47:05 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_NONE autolearn=unavailable version=3.3.1 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 421392844B for <patchwork-linux-mm@patchwork.kernel.org>; Wed, 8 May 2019 14:47:05 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 7188D6B02A7; Wed, 8 May 2019 10:44:56 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 6CA6C6B02AA; Wed, 8 May 2019 10:44:56 -0400 (EDT) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 3E34D6B02AC; Wed, 8 May 2019 10:44:56 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from mail-pl1-f199.google.com (mail-pl1-f199.google.com [209.85.214.199]) by kanga.kvack.org (Postfix) with ESMTP id F37516B02AE for <linux-mm@kvack.org>; Wed, 8 May 2019 10:44:55 -0400 (EDT) Received: by mail-pl1-f199.google.com with SMTP id x5so11673793pll.2 for <linux-mm@kvack.org>; Wed, 08 May 2019 07:44:55 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-original-authentication-results:x-gm-message-state:from:to:cc :subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=YaEUfUd5VoDz+D3t/tMnMmtVbfr/7wfrUagdOS99llw=; b=ToNCawtoYgp8Zm4OvHDJC5jj0RKOi9oy5KUJhzx/KNyZnml5j6y2lFq3cHytigpnbB 5sl+7j5epazBoSomQ3RsrKRO5rr3UvxT5TzqJf7AydE9SEqOsdlleYl/GziNeLZABgrU M12X23lkWOBDvd/5P9JoAwNZKaOK3H2uLC0icMkQxD/Pa2Ykyxmg14E77yzJUK5NnsYw 6vCZqwy9jH5bDT6W4xgBQDLtnPSv66rAB5tIw8pVCrNpArrwv39y7FxpAgy+zIxdGToh 8mnR6ETflb70cjJcgoj4sJkDRTz/XQEvbfbuBtO3wWBTNJjiKE+PdNrjwbKS1jo4oyxf iYOA== X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of kirill.shutemov@linux.intel.com designates 192.55.52.43 as permitted sender) smtp.mailfrom=kirill.shutemov@linux.intel.com; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com X-Gm-Message-State: APjAAAVzzDAd4kWtjj65zKqM4F0axihe5rcQVgN3lhOU09NCyQwZWrcc +mE6fDKUpxe2VawjvXDupXBO0m0dTbR1XZdgyURZRdyA5WP3Mh8xMCoZzVXWVfIWKs3XF2KtmYG 9QAmWEJ0gjvmJJxzXorG31gqp7AJOluVrFktUZkHr6tS3ex2lobBvXpqPnLrrE9WKZQ== X-Received: by 2002:a17:902:7797:: with SMTP id o23mr15676458pll.147.1557326695656; Wed, 08 May 2019 07:44:55 -0700 (PDT) X-Google-Smtp-Source: APXvYqz42zjHxqR6sPA8w9dDWq6219x4ZJ3VitxwoHgyPh+hUDtcjpsfy8OMUukz23Hw02C4t/Je X-Received: by 2002:a17:902:7797:: with SMTP id o23mr15676246pll.147.1557326693604; Wed, 08 May 2019 07:44:53 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1557326693; cv=none; d=google.com; s=arc-20160816; b=id2hoIGodRL6MQxj3dT/ew2F5daWd/hraJGA111TnveYzspx73+fuGoWy/rq2hj2tw ogezj6P6SxqQ5l25nlAN4phIMvOVeIfICSoMGGVHwN38n4YD6TpUHipXzN3y0Jdh3JEo W++mqveuv8CBGkhno8JGoIvs5isbkyk/1loBk4LcLead8OX7Ntt3MR+TiyyjAQx4Cjgr hyr+yZi8CuQ9DpLmTcP0I/myDdlGEozROiskvSxIpvvvKVKNFfsr7rl8/gLL1NgLyu1k Q9w3cRobo9kQQsOliQxj5uqHUSVAf0hqV+oUTuB+S932QMs5SZ69gDmgHLlfNRHJzA94 S8Pw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from; bh=YaEUfUd5VoDz+D3t/tMnMmtVbfr/7wfrUagdOS99llw=; b=pfMKJI1bkPvmbkG2jRrtOSdL6uNhgyM0XJRjAk/5kIHIFF8QPT5d/g3E6EpTBR3gT7 OKZ3l8EY3N3a0YQSV+1femotZ+HMbTPo+WHlJaR0ynf/aPOEHLBWN60WFDsufr2uw4rd 2XlNYmc6qKt5Bzhwjt2rhf8+bka0uQmrRjwUmZ1xlk4g8F/lURuxsMIdeOYQ4sd3HObD 1WRPElXw9Y9c/1S61b2GptmqGacgNAavhBMdxP0utP+1avTxACxg1EIvQVdxamCAlfhc F3+vd2BNBvr7tx7kjukwbsQAOVQDknDCDoZGXwsice6Jpoz2gD+i6oShyhVhv1B/eAuS 6MYg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of kirill.shutemov@linux.intel.com designates 192.55.52.43 as permitted sender) smtp.mailfrom=kirill.shutemov@linux.intel.com; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: from mga05.intel.com (mga05.intel.com. [192.55.52.43]) by mx.google.com with ESMTPS id t16si6593003plm.65.2019.05.08.07.44.53 for <linux-mm@kvack.org> (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 08 May 2019 07:44:53 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of kirill.shutemov@linux.intel.com designates 192.55.52.43 as permitted sender) client-ip=192.55.52.43; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of kirill.shutemov@linux.intel.com designates 192.55.52.43 as permitted sender) smtp.mailfrom=kirill.shutemov@linux.intel.com; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 08 May 2019 07:44:53 -0700 X-ExtLoop1: 1 Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga005.fm.intel.com with ESMTP; 08 May 2019 07:44:49 -0700 Received: by black.fi.intel.com (Postfix, from userid 1000) id A1F3611C1; Wed, 8 May 2019 17:44:31 +0300 (EEST) From: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> To: Andrew Morton <akpm@linux-foundation.org>, x86@kernel.org, Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>, Borislav Petkov <bp@alien8.de>, Peter Zijlstra <peterz@infradead.org>, Andy Lutomirski <luto@amacapital.net>, David Howells <dhowells@redhat.com> Cc: Kees Cook <keescook@chromium.org>, Dave Hansen <dave.hansen@intel.com>, Kai Huang <kai.huang@linux.intel.com>, Jacob Pan <jacob.jun.pan@linux.intel.com>, Alison Schofield <alison.schofield@intel.com>, linux-mm@kvack.org, kvm@vger.kernel.org, keyrings@vger.kernel.org, linux-kernel@vger.kernel.org, "Kirill A . Shutemov" <kirill.shutemov@linux.intel.com> Subject: [PATCH, RFC 59/62] x86/mktme: Document the MKTME kernel configuration requirements Date: Wed, 8 May 2019 17:44:19 +0300 Message-Id: <20190508144422.13171-60-kirill.shutemov@linux.intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190508144422.13171-1-kirill.shutemov@linux.intel.com> References: <20190508144422.13171-1-kirill.shutemov@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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: <linux-mm.kvack.org> X-Virus-Scanned: ClamAV using ClamSMTP |
Series |
Intel MKTME enabling
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diff --git a/Documentation/x86/mktme/index.rst b/Documentation/x86/mktme/index.rst index a3a29577b013..0f021cc4a2db 100644 --- a/Documentation/x86/mktme/index.rst +++ b/Documentation/x86/mktme/index.rst @@ -7,3 +7,4 @@ Multi-Key Total Memory Encryption (MKTME) mktme_overview mktme_mitigations + mktme_configuration diff --git a/Documentation/x86/mktme/mktme_configuration.rst b/Documentation/x86/mktme/mktme_configuration.rst new file mode 100644 index 000000000000..91d2f80c736e --- /dev/null +++ b/Documentation/x86/mktme/mktme_configuration.rst @@ -0,0 +1,17 @@ +MKTME Configuration +=================== + +CONFIG_X86_INTEL_MKTME + MKTME is enabled by selecting CONFIG_X86_INTEL_MKTME on Intel + platforms supporting the MKTME feature. + +mktme_storekeys + mktme_storekeys is a kernel cmdline parameter. + + This parameter allows the kernel to store the user specified + MKTME key payload. Storing this payload means that the MKTME + Key Service can always allow the addition of new physical + packages. If the mktme_storekeys parameter is not present, + users key data will not be stored, and new physical packages + may only be added to the system if no user type MKTME keys + are programmed.