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From: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
To: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>,
	Avi Kivity <avi.kivity@gmail.com>, Gleb Natapov <gleb@redhat.com>,
	LKML <linux-kernel@vger.kernel.org>, KVM <kvm@vger.kernel.org>
Subject: [PATCH v2 08/12] KVM: MMU: cleanup __direct_map
Date: Wed, 23 Jan 2013 18:08:23 +0800	[thread overview]
Message-ID: <50FFB697.7030307@linux.vnet.ibm.com> (raw)
In-Reply-To: <50FFB5A1.5090708@linux.vnet.ibm.com>

Use link_shadow_page to link the sp to the spte in __direct_map

Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
---
 arch/x86/kvm/mmu.c |   12 ++++--------
 1 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index c0bb7cf..7d7eb4a 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1984,9 +1984,9 @@ static void link_shadow_page(u64 *sptep, struct kvm_mmu_page *sp)
 {
 	u64 spte;

-	spte = __pa(sp->spt)
-		| PT_PRESENT_MASK | PT_ACCESSED_MASK
-		| PT_WRITABLE_MASK | PT_USER_MASK;
+	spte = __pa(sp->spt) | PT_PRESENT_MASK | PT_WRITABLE_MASK |
+	       shadow_user_mask | shadow_x_mask | shadow_accessed_mask;
+
 	mmu_spte_set(sptep, spte);
 }

@@ -2626,11 +2626,7 @@ static int __direct_map(struct kvm_vcpu *vcpu, gpa_t v, int write,
 					      iterator.level - 1,
 					      1, ACC_ALL, iterator.sptep);

-			mmu_spte_set(iterator.sptep,
-				     __pa(sp->spt)
-				     | PT_PRESENT_MASK | PT_WRITABLE_MASK
-				     | shadow_user_mask | shadow_x_mask
-				     | shadow_accessed_mask);
+			link_shadow_page(iterator.sptep, sp);
 		}
 	}
 	return emulate;
-- 
1.7.7.6


  parent reply	other threads:[~2013-01-23 10:08 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-01-23 10:04 [PATCH v2 01/12] KVM: MMU: lazily drop large spte Xiao Guangrong
2013-01-23 10:04 ` [PATCH v2 02/12] KVM: MMU: cleanup mapping-level Xiao Guangrong
2013-01-23 10:05 ` [PATCH v2 03/12] KVM: MMU: simplify mmu_set_spte Xiao Guangrong
2013-01-29  0:21   ` Marcelo Tosatti
2013-01-29  2:55     ` Xiao Guangrong
2013-01-29 21:53       ` Marcelo Tosatti
2013-01-30  3:22         ` Xiao Guangrong
2013-01-23 10:06 ` [PATCH v2 04/12] KVM: MMU: simplify set_spte Xiao Guangrong
2013-01-23 10:06 ` [PATCH v2 05/12] KVM: MMU: introduce vcpu_adjust_access Xiao Guangrong
2013-01-24 10:36   ` Gleb Natapov
2013-01-24 11:33     ` Xiao Guangrong
2013-01-23 10:07 ` [PATCH v2 06/12] KVM: MMU: introduce a static table to map guest access to spte access Xiao Guangrong
2013-01-25  0:15   ` Marcelo Tosatti
2013-01-25  2:46     ` Xiao Guangrong
2013-01-29  0:07       ` Marcelo Tosatti
2013-01-29  1:07         ` Marcelo Tosatti
2013-01-29 13:16           ` Gleb Natapov
2013-01-30  3:53           ` Xiao Guangrong
2013-01-23 10:07 ` [PATCH v2 07/12] KVM: MMU: remove pt_access in mmu_set_spte Xiao Guangrong
2013-01-23 10:08 ` Xiao Guangrong [this message]
2013-01-23 10:09 ` [PATCH v2 09/12] KVM: MMU: introduce mmu_spte_establish Xiao Guangrong
2013-01-23 10:09 ` [PATCH v2 10/12] KVM: MMU: unify the code of walking pte list Xiao Guangrong
2013-01-27 13:28   ` Gleb Natapov
2013-01-29  3:01     ` Xiao Guangrong
2013-01-23 10:10 ` [PATCH v2 11/12] KVM: MMU: fix spte assertion Xiao Guangrong
2013-01-23 10:10 ` [PATCH v2 12/12] KVM: MMU: fast drop all spte on the pte_list Xiao Guangrong
2013-01-27 12:06 ` [PATCH v2 01/12] KVM: MMU: lazily drop large spte Gleb Natapov
2013-01-29  2:57   ` Xiao Guangrong

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