From mboxrd@z Thu Jan 1 00:00:00 1970 From: Xiao Guangrong Subject: [PATCH 1/5] KVM: MMU: cleanup mapping-level Date: Mon, 05 Nov 2012 20:09:20 +0800 Message-ID: <5097AC70.1080904@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Cc: Marcelo Tosatti , LKML , KVM To: Avi Kivity Return-path: Received: from e23smtp09.au.ibm.com ([202.81.31.142]:46769 "EHLO e23smtp09.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752029Ab2KEMJc (ORCPT ); Mon, 5 Nov 2012 07:09:32 -0500 Received: from /spool/local by e23smtp09.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 5 Nov 2012 22:05:53 +1000 Sender: kvm-owner@vger.kernel.org List-ID: Use min() to cleanup mapping_level Signed-off-by: Xiao Guangrong --- arch/x86/kvm/mmu.c | 3 +-- 1 files changed, 1 insertions(+), 2 deletions(-) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 1d8869c..692ebb1 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -831,8 +831,7 @@ static int mapping_level(struct kvm_vcpu *vcpu, gfn_t large_gfn) if (host_level == PT_PAGE_TABLE_LEVEL) return host_level; - max_level = kvm_x86_ops->get_lpage_level() < host_level ? - kvm_x86_ops->get_lpage_level() : host_level; + max_level = min(kvm_x86_ops->get_lpage_level(), host_level); for (level = PT_DIRECTORY_LEVEL; level <= max_level; ++level) if (has_wrprotected_page(vcpu->kvm, large_gfn, level)) -- 1.7.7.6