Message ID | 20190508144422.13171-35-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 38CA1924 for <patchwork-linux-mm@patchwork.kernel.org>; Wed, 8 May 2019 14:47:12 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 245E72844B for <patchwork-linux-mm@patchwork.kernel.org>; Wed, 8 May 2019 14:47:12 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 177B028485; Wed, 8 May 2019 14:47:12 +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=ham 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 A0AF62844B for <patchwork-linux-mm@patchwork.kernel.org>; Wed, 8 May 2019 14:47:11 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id C6F136B02B1; Wed, 8 May 2019 10:46:03 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id C47B06B02B2; Wed, 8 May 2019 10:46:03 -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 B0C8F6B02B3; Wed, 8 May 2019 10:46:03 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from mail-pg1-f198.google.com (mail-pg1-f198.google.com [209.85.215.198]) by kanga.kvack.org (Postfix) with ESMTP id 718C16B02B1 for <linux-mm@kvack.org>; Wed, 8 May 2019 10:46:03 -0400 (EDT) Received: by mail-pg1-f198.google.com with SMTP id 14so12806882pgo.14 for <linux-mm@kvack.org>; Wed, 08 May 2019 07:46:03 -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=bMhGYPvhch86dLFBTwNjwlU0ss5Zx9fxnvAxoB5kLBo=; b=YpD+mZNHDvFUTH+1iItCAXQh8135ZqsOldZLmktKWnvf8nNEIuYd5x7QJSiXOikTn5 jhet9L7TfaX9cMN0DdtfKWIfu8tMhNGmIUQxe+qrn+WTVEQ8SIQiGqTfBxcOXWFv6bfb 5dNdD1vVKQjVgk8f3kMHZrVT12LtwxRJHAZx77WiWpklQbJ2LeKHRoRCUVakbPop1ufN vhwlniX5LTxFdDIT5YdacVH3pio3taUllKvHlheye8uJRPbaMtQbFUE04eFE+lUJ6Aba eAfcxjD3h1Hu0wjEYWivl1iAbiV01j5PGcVsVJlB7gohJ5CwxgfdyUHBMPdiNtYeggds Ha6g== X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of kirill.shutemov@linux.intel.com designates 192.55.52.136 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: APjAAAUS3F5RlI+oblWTfZb/xNoIUyqyw9ClFAWo2nXQaE+vPttxg28f k7IiDNfTsJE1aZCBUjxa0usnmsgGNCQh8ZcqS7TFsPBBgxg36fxF2vv9RgIFI9ky0f1Ualkv81i gswZVmWHOyjnvg2ipNWskufKJPQK9N8rbItITgiR2eGJ7FVLoh770RUNv3T2UHTVikg== X-Received: by 2002:a17:902:8bc3:: with SMTP id r3mr48068991plo.53.1557326763136; Wed, 08 May 2019 07:46:03 -0700 (PDT) X-Google-Smtp-Source: APXvYqyyD/PVE1XkbbCIXsvGMTCfi/BT/6a1bLreKgZt7qGLqZ8/aKUJ0BkgOPL86XC1QdRSgWSK X-Received: by 2002:a17:902:8bc3:: with SMTP id r3mr48060188plo.53.1557326686436; Wed, 08 May 2019 07:44:46 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1557326686; cv=none; d=google.com; s=arc-20160816; b=ku8xXzvlsFsDc62nehUTj7iUT7Xer/m/7n+DRR9eKx18zGfVYOVVnAqiDyU1e6pRZR Do45LI+vJaw6ZdZuY1PPl31S547tFq3iquTvhBzprxC+fbDW13JKCRDq3439IO+lTuWU lSPnlBWSm6uRUopQrGle1ENePwLDLd9tDaBatIeE6eXLwNG8r3sCow3OLKezdfQ8gyDW WTuoX/e+tSKaX/bGXcEGk2DrzAqlR7fN5jCxT+kPt0Sf328p6XZSGwMtxOmM8ewyQg44 5R6o6PTdKXn9mcbmNl3SM9M4jrRpXJqiLISNqexl3tvIe0r0gVXVVluqns9JOmA8WUlE CbiA== 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=bMhGYPvhch86dLFBTwNjwlU0ss5Zx9fxnvAxoB5kLBo=; b=Yo+Js1Yq0rKrP/ssXLfCmi4SBneT64RHuD42IEt6tcviBhsXsMApCybuuk1crtmkIw P/4mFmXe/ROtXL0gkccvKtG26Cvg9cqQiIy4/vS5rm2yVQ499L2VS72yKAfeyxYOMr+v x2zVx8wUYWdLhyS8u8zCaFOExXQAQo0mWPQ0SU2HqhqAMKqwajFSz/3qPtS0YJNLoMBa NMLFubzPcCk7Pbj1BbQCmENklE9I7XlkrppYrs6MNKIeX8BcQr8da/PsmmHpS/tSMRxE DUl19VkITln0FnEpFnUBNnqp0EMF9pK4xCr8gHgAdDXzeryJFnenfxIGifak9byhFYfq 2MaQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of kirill.shutemov@linux.intel.com designates 192.55.52.136 as permitted sender) smtp.mailfrom=kirill.shutemov@linux.intel.com; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: from mga12.intel.com (mga12.intel.com. [192.55.52.136]) by mx.google.com with ESMTPS id s184si23372828pfs.275.2019.05.08.07.44.46 for <linux-mm@kvack.org> (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 08 May 2019 07:44:46 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of kirill.shutemov@linux.intel.com designates 192.55.52.136 as permitted sender) client-ip=192.55.52.136; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of kirill.shutemov@linux.intel.com designates 192.55.52.136 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 orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 08 May 2019 07:44:46 -0700 X-ExtLoop1: 1 Received: from black.fi.intel.com ([10.237.72.28]) by orsmga007.jf.intel.com with ESMTP; 08 May 2019 07:44:41 -0700 Received: by black.fi.intel.com (Postfix, from userid 1000) id 5EB75BC1; Wed, 8 May 2019 17:44:30 +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 34/62] acpi/hmat: Determine existence of an ACPI HMAT Date: Wed, 8 May 2019 17:43:54 +0300 Message-Id: <20190508144422.13171-35-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
|
expand
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diff --git a/drivers/acpi/hmat/hmat.c b/drivers/acpi/hmat/hmat.c index 96b7d39a97c6..38e3341f569f 100644 --- a/drivers/acpi/hmat/hmat.c +++ b/drivers/acpi/hmat/hmat.c @@ -664,3 +664,16 @@ static __init int hmat_init(void) return 0; } subsys_initcall(hmat_init); + +bool acpi_hmat_present(void) +{ + struct acpi_table_header *tbl; + acpi_status status; + + status = acpi_get_table(ACPI_SIG_HMAT, 0, &tbl); + if (ACPI_FAILURE(status)) + return false; + + acpi_put_table(tbl); + return true; +} diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 75078fc9b6b3..fe3ad4ca5bb3 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -1339,4 +1339,8 @@ acpi_platform_notify(struct device *dev, enum kobject_action action) } #endif +#ifdef CONFIG_X86_INTEL_MKTME +extern bool acpi_hmat_present(void); +#endif /* CONFIG_X86_INTEL_MKTME */ + #endif /*_LINUX_ACPI_H*/