From: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
To: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>,
Gleb Natapov <gleb@redhat.com>,
LKML <linux-kernel@vger.kernel.org>, KVM <kvm@vger.kernel.org>
Subject: [PATCH v3 1/3] KVM: MMU: cleanup mapping-level
Date: Tue, 05 Feb 2013 15:26:54 +0800 [thread overview]
Message-ID: <5110B43E.6010601@linux.vnet.ibm.com> (raw)
In-Reply-To: <5110B41D.3090605@linux.vnet.ibm.com>
Use min() to cleanup mapping_level
Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
---
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 ff2fc80..fe877da 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -832,8 +832,7 @@ 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
next prev parent reply other threads:[~2013-02-05 7:26 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-05 7:26 [PATCH v3 0/3] KVM: MMU: simple cleanups Xiao Guangrong
2013-02-05 7:26 ` Xiao Guangrong [this message]
2013-02-05 7:27 ` [PATCH v3 2/3] KVM: MMU: remove pt_access in mmu_set_spte Xiao Guangrong
2013-02-05 7:28 ` [PATCH v3 3/3] KVM: MMU: cleanup __direct_map Xiao Guangrong
2013-02-05 11:47 ` [PATCH v3 0/3] KVM: MMU: simple cleanups Gleb Natapov
2013-02-08 21:05 ` Marcelo Tosatti
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