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[192.55.52.115]) by mx.google.com with ESMTPS id e68si15371744pfb.101.2018.12.26.05.37.06 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 26 Dec 2018 05:37:06 -0800 (PST) Received-SPF: pass (google.com: domain of fengguang.wu@intel.com designates 192.55.52.115 as permitted sender) client-ip=192.55.52.115; Authentication-Results: mx.google.com; spf=pass (google.com: domain of fengguang.wu@intel.com designates 192.55.52.115 as permitted sender) smtp.mailfrom=fengguang.wu@intel.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 26 Dec 2018 05:37:05 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,400,1539673200"; d="scan'208";a="121185467" Received: from wangdan1-mobl1.ccr.corp.intel.com (HELO wfg-t570.sh.intel.com) ([10.254.210.154]) by FMSMGA003.fm.intel.com with ESMTP; 26 Dec 2018 05:37:02 -0800 Received: from wfg by wfg-t570.sh.intel.com with local (Exim 4.89) (envelope-from ) id 1gc9Mr-0005PI-LE; Wed, 26 Dec 2018 21:37:01 +0800 Message-Id: <20181226133352.133164898@intel.com> User-Agent: quilt/0.65 Date: Wed, 26 Dec 2018 21:15:04 +0800 From: Fengguang Wu To: Andrew Morton cc: Linux Memory Management List , Fengguang Wu cc: kvm@vger.kernel.org Cc: LKML cc: Fan Du cc: Yao Yuan cc: Peng Dong cc: Huang Ying CC: Liu Jingqi cc: Dong Eddie cc: Dave Hansen cc: Zhang Yi cc: Dan Williams Subject: [RFC][PATCH v2 18/21] kvm-ept-idle: enable module References: <20181226131446.330864849@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline; filename=0007-kvm-ept-idle-enable-module.patch 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: Message-ID: <20181226131504.7hfEQ_2kCn1QBrpT1ShwbJAjaRhBcU16vS8ZRh6pyJI@z> Signed-off-by: Fengguang Wu --- arch/x86/kvm/Kconfig | 11 +++++++++++ arch/x86/kvm/Makefile | 4 ++++ 2 files changed, 15 insertions(+) --- linux.orig/arch/x86/kvm/Kconfig 2018-12-23 20:09:04.628882396 +0800 +++ linux/arch/x86/kvm/Kconfig 2018-12-23 20:09:04.628882396 +0800 @@ -96,6 +96,17 @@ config KVM_MMU_AUDIT This option adds a R/W kVM module parameter 'mmu_audit', which allows auditing of KVM MMU events at runtime. +config KVM_EPT_IDLE + tristate "KVM EPT idle page tracking" + depends on KVM_INTEL + depends on PROC_PAGE_MONITOR + ---help--- + Provides support for walking EPT to get the A bits on Intel + processors equipped with the VT extensions. + + To compile this as a module, choose M here: the module + will be called kvm-ept-idle. + # OK, it's a little counter-intuitive to do this, but it puts it neatly under # the virtualization menu. source drivers/vhost/Kconfig --- linux.orig/arch/x86/kvm/Makefile 2018-12-23 20:09:04.628882396 +0800 +++ linux/arch/x86/kvm/Makefile 2018-12-23 20:09:04.628882396 +0800 @@ -19,6 +19,10 @@ kvm-y += x86.o mmu.o emulate.o i8259.o kvm-intel-y += vmx.o pmu_intel.o kvm-amd-y += svm.o pmu_amd.o +kvm-ept-idle-y += ept_idle.o + obj-$(CONFIG_KVM) += kvm.o obj-$(CONFIG_KVM_INTEL) += kvm-intel.o obj-$(CONFIG_KVM_AMD) += kvm-amd.o + +obj-$(CONFIG_KVM_EPT_IDLE) += kvm-ept-idle.o