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From: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
To: gleb@redhat.com
Cc: avi.kivity@gmail.com, mtosatti@redhat.com, pbonzini@redhat.com,
	linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
	Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Subject: [PATCH v2 01/15] KVM: MMU: fix the count of spte number
Date: Thu,  5 Sep 2013 18:29:04 +0800	[thread overview]
Message-ID: <1378376958-27252-2-git-send-email-xiaoguangrong@linux.vnet.ibm.com> (raw)
In-Reply-To: <1378376958-27252-1-git-send-email-xiaoguangrong@linux.vnet.ibm.com>

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

Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.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


  reply	other threads:[~2013-09-05 10:29 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-05 10:29 [PATCH v2 00/15] KVM: MMU: locklessly wirte-protect Xiao Guangrong
2013-09-05 10:29 ` Xiao Guangrong [this message]
2013-09-08 12:19   ` [PATCH v2 01/15] KVM: MMU: fix the count of spte number Gleb Natapov
2013-09-08 13:55     ` Xiao Guangrong
2013-09-08 14:01       ` Gleb Natapov
2013-09-08 14:24         ` Xiao Guangrong
2013-09-08 14:26           ` Gleb Natapov
2013-09-05 10:29 ` [PATCH v2 02/15] KVM: MMU: properly check last spte in fast_page_fault() Xiao Guangrong
2013-09-30 21:23   ` Marcelo Tosatti
2013-10-03  6:16     ` Xiao Guangrong
2013-09-05 10:29 ` [PATCH v2 03/15] KVM: MMU: lazily drop large spte Xiao Guangrong
2013-09-30 22:39   ` Marcelo Tosatti
2013-10-03  6:29     ` Xiao Guangrong
2013-09-05 10:29 ` [PATCH v2 04/15] KVM: MMU: flush tlb if the spte can be locklessly modified Xiao Guangrong
2013-09-05 10:29 ` [PATCH v2 05/15] KVM: MMU: flush tlb out of mmu lock when write-protect the sptes Xiao Guangrong
2013-09-30 23:05   ` Marcelo Tosatti
2013-10-03  6:46     ` Xiao Guangrong
2013-09-05 10:29 ` [PATCH v2 06/15] KVM: MMU: update spte and add it into rmap before dirty log Xiao Guangrong
2013-09-05 10:29 ` [PATCH v2 07/15] KVM: MMU: redesign the algorithm of pte_list Xiao Guangrong
2013-09-05 10:29 ` [PATCH v2 08/15] KVM: MMU: introduce nulls desc Xiao Guangrong
2013-09-05 10:29 ` [PATCH v2 09/15] KVM: MMU: introduce pte-list lockless walker Xiao Guangrong
2013-09-08 12:03   ` Xiao Guangrong
2013-09-16 12:42   ` Gleb Natapov
2013-09-16 13:52     ` Xiao Guangrong
2013-09-16 15:04       ` Gleb Natapov
2013-09-05 10:29 ` [PATCH v2 10/15] KVM: MMU: initialize the pointers in pte_list_desc properly Xiao Guangrong
2013-09-05 10:29 ` [PATCH v2 11/15] KVM: MMU: reintroduce kvm_mmu_isolate_page() Xiao Guangrong
2013-09-05 10:29 ` [PATCH v2 12/15] KVM: MMU: allow locklessly access shadow page table out of vcpu thread Xiao Guangrong
2013-10-08  1:23   ` Marcelo Tosatti
2013-10-08  4:02     ` Xiao Guangrong
2013-10-09  1:56       ` Marcelo Tosatti
2013-10-09 10:45         ` Xiao Guangrong
2013-10-10  1:47           ` Marcelo Tosatti
2013-10-10 12:08             ` Gleb Natapov
2013-10-10 16:42               ` Marcelo Tosatti
2013-10-10 19:16                 ` Gleb Natapov
2013-10-10 21:03                   ` Marcelo Tosatti
2013-10-11  5:38                     ` Gleb Natapov
2013-10-11 20:30                       ` Marcelo Tosatti
2013-10-12  5:53                         ` Gleb Natapov
2013-10-14 19:29                           ` Marcelo Tosatti
2013-10-15  3:57                             ` Gleb Natapov
2013-10-15 22:21                               ` Marcelo Tosatti
2013-10-16  0:41                                 ` Xiao Guangrong
2013-10-16  9:12                                 ` Gleb Natapov
2013-10-16 20:43                                   ` Marcelo Tosatti
2013-09-05 10:29 ` [PATCH v2 13/15] KVM: MMU: locklessly write-protect the page Xiao Guangrong
2013-09-05 10:29 ` [PATCH v2 14/15] KVM: MMU: clean up spte_write_protect Xiao Guangrong
2013-09-05 10:29 ` [PATCH v2 15/15] KVM: MMU: use rcu functions to access the pointer Xiao Guangrong
2013-09-15 10:26 ` [PATCH v2 00/15] KVM: MMU: locklessly wirte-protect Gleb Natapov

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