linux-kernel - [PATCH v2 01/15] KVM: MMU: fix the count of spte number

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Message-Id: <1378376958-27252-2-git-send-email-xiaoguangrong@linux.vnet.ibm.com>
Date:	Thu,  5 Sep 2013 18:29:04 +0800
From:	Xiao Guangrong <xiaoguangrong@...ux.vnet.ibm.com>
To:	gleb@...hat.com
Cc:	avi.kivity@...il.com, mtosatti@...hat.com, pbonzini@...hat.com,
	linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
	Xiao Guangrong <xiaoguangrong@...ux.vnet.ibm.com>
Subject: [PATCH v2 01/15] KVM: MMU: fix the count of spte number

If the desc is the last one and it is full, its sptes is not counted

Signed-off-by: Xiao Guangrong <xiaoguangrong@...ux.vnet.ibm.com>
---
 arch/x86/kvm/mmu.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 6e2d2c8..7714fd8 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -948,6 +948,7 @@ static int pte_list_add(struct kvm_vcpu *vcpu, u64 *spte,
 			count += PTE_LIST_EXT;
 		}
 		if (desc->sptes[PTE_LIST_EXT-1]) {
+			count += PTE_LIST_EXT;
 			desc->more = mmu_alloc_pte_list_desc(vcpu);
 			desc = desc->more;
 		}
-- 
1.8.1.4

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