From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753960Ab1K1Mnl (ORCPT ); Mon, 28 Nov 2011 07:43:41 -0500 Received: from e23smtp04.au.ibm.com ([202.81.31.146]:47001 "EHLO e23smtp04.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753466Ab1K1Mnj (ORCPT ); Mon, 28 Nov 2011 07:43:39 -0500 Message-ID: <4ED381E6.4070309@linux.vnet.ibm.com> Date: Mon, 28 Nov 2011 20:43:18 +0800 From: Xiao Guangrong User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:8.0) Gecko/20111115 Thunderbird/8.0 MIME-Version: 1.0 To: Xiao Guangrong CC: Avi Kivity , Marcelo Tosatti , LKML , KVM Subject: [PATCH 5/5] KVM: MMU: remove oos_shadow parameter References: <4ED3811F.1070101@linux.vnet.ibm.com> In-Reply-To: <4ED3811F.1070101@linux.vnet.ibm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit x-cbid: 11112802-9264-0000-0000-00000048B453 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The unsync code should be stable now, maybe it is the time to remove this parameter to cleanup the code a little bit Signed-off-by: Xiao Guangrong --- Documentation/kernel-parameters.txt | 3 --- arch/x86/kvm/mmu.c | 5 ----- 2 files changed, 0 insertions(+), 8 deletions(-) diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index a0c5c5f..7402a24 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1178,9 +1178,6 @@ bytes respectively. Such letter suffixes can also be entirely omitted. kvm.ignore_msrs=[KVM] Ignore guest accesses to unhandled MSRs. Default is 0 (don't ignore, but inject #GP) - kvm.oos_shadow= [KVM] Disable out-of-sync shadow paging. - Default is 1 (enabled) - kvm.mmu_audit= [KVM] This is a R/W parameter which allows audit KVM MMU at runtime. Default is 0 (off) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 262a3af..b1178d1 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -93,9 +93,6 @@ static int dbg = 0; module_param(dbg, bool, 0644); #endif -static int oos_shadow = 1; -module_param(oos_shadow, bool, 0644); - #ifndef MMU_DEBUG #define ASSERT(x) do { } while (0) #else @@ -2196,8 +2193,6 @@ static int mmu_need_write_protect(struct kvm_vcpu *vcpu, gfn_t gfn, return 1; if (!need_unsync && !s->unsync) { - if (!oos_shadow) - return 1; need_unsync = true; } } -- 1.7.7.3