From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932409AbdJ0C0J (ORCPT ); Thu, 26 Oct 2017 22:26:09 -0400 Received: from mga07.intel.com ([134.134.136.100]:5877 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751960AbdJ0C0F (ORCPT ); Thu, 26 Oct 2017 22:26:05 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.44,303,1505804400"; d="scan'208";a="914265531" From: Haozhong Zhang To: kvm@vger.kernel.org, x86@kernel.org Cc: linux-kernel@vger.kernel.org, Paolo Bonzini , rkrcmar@redhat.com, Xiao Guangrong , Dan Williams , ivan.d.cuevas.escareno@intel.com, karthik.kumar@intel.com, Haozhong Zhang , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , Borislav Petkov , Tom Lendacky , Mikulas Patocka Subject: [PATCH 1/3] x86/mm: expose track_pfn_insert() Date: Fri, 27 Oct 2017 10:25:22 +0800 Message-Id: <20171027022524.22589-2-haozhong.zhang@intel.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20171027022524.22589-1-haozhong.zhang@intel.com> References: <20171027022524.22589-1-haozhong.zhang@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org KVM MMU will use it to get the cache mode of the host pfn. Signed-off-by: Haozhong Zhang --- arch/x86/mm/pat.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c index fe7d57a8fb60..cab593ea8956 100644 --- a/arch/x86/mm/pat.c +++ b/arch/x86/mm/pat.c @@ -998,6 +998,7 @@ void track_pfn_insert(struct vm_area_struct *vma, pgprot_t *prot, pfn_t pfn) *prot = __pgprot((pgprot_val(*prot) & (~_PAGE_CACHE_MASK)) | cachemode2protval(pcm)); } +EXPORT_SYMBOL_GPL(track_pfn_insert); /* * untrack_pfn is called while unmapping a pfnmap for a region. -- 2.14.1