From: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
To: Avi Kivity <avi@redhat.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>,
KVM list <kvm@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: [PATCH v3 4/10] KVM MMU: cleanup invlpg code
Date: Wed, 28 Apr 2010 11:55:15 +0800 [thread overview]
Message-ID: <4BD7B1A3.8040802@cn.fujitsu.com> (raw)
In-Reply-To: <4BD7AE34.5000408@cn.fujitsu.com>
Using is_last_spte() to cleanup invlpg code
Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
---
arch/x86/kvm/paging_tmpl.h | 4 +---
1 files changed, 1 insertions(+), 3 deletions(-)
diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index 3464fdb..89d66ca 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -474,9 +474,7 @@ static void FNAME(invlpg)(struct kvm_vcpu *vcpu, gva_t gva)
level = iterator.level;
sptep = iterator.sptep;
- if (level == PT_PAGE_TABLE_LEVEL ||
- ((level == PT_DIRECTORY_LEVEL && is_large_pte(*sptep))) ||
- ((level == PT_PDPE_LEVEL && is_large_pte(*sptep)))) {
+ if (is_last_spte(*sptep, level)) {
struct kvm_mmu_page *sp = page_header(__pa(sptep));
int offset, shift;
--
1.6.1.2
next prev parent reply other threads:[~2010-04-28 3:58 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4BD7AE34.5000408@cn.fujitsu.com>
2010-04-28 3:54 ` [PATCH v3 1/10] KVM MMU: fix for calculating gpa in invlpg code Xiao Guangrong
2010-04-28 3:54 ` [PATCH v3 2/10] KVM MMU: convert mmu tracepoints Xiao Guangrong
2010-04-28 3:55 ` [PATCH v3 3/10] KVM MMU: move unsync/sync tracpoints to proper place Xiao Guangrong
2010-04-28 3:55 ` Xiao Guangrong [this message]
2010-04-28 3:55 ` [PATCH v3 5/10] KVM MMU: split kvm_sync_page() function Xiao Guangrong
2010-04-28 3:55 ` [PATCH v3 6/10] KVM MMU: don't write-protect if have new mapping to unsync page Xiao Guangrong
2010-04-28 3:55 ` [PATCH v3 7/10] KVM MMU: allow more page become unsync at gfn mapping time Xiao Guangrong
2010-04-30 19:33 ` Marcelo Tosatti
2010-05-05 12:16 ` Xiao Guangrong
2010-04-28 3:55 ` [PATCH v3 8/10] KVM MMU: allow more page become unsync at getting sp time Xiao Guangrong
2010-04-28 3:56 ` [PATCH v3 9/10] KVM MMU: separate invlpg code form kvm_mmu_pte_write() Xiao Guangrong
2010-04-28 3:56 ` [PATCH v3 10/10] KVM MMU: optimize sync/update unsync-page Xiao Guangrong
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