linux-kernel - [PATCH 24/40] KVM: MMU: make the __nonpaging

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Message-Id: <1206974244-9716-25-git-send-email-avi@qumranet.com>
Date:	Mon, 31 Mar 2008 17:37:08 +0300
From:	Avi Kivity <avi@...ranet.com>
To:	kvm-devel@...ts.sourceforge.net
Cc:	linux-kernel@...r.kernel.org, Joerg Roedel <joerg.roedel@....com>
Subject: [PATCH 24/40] KVM: MMU: make the __nonpaging_map function generic

From: Joerg Roedel <joerg.roedel@....com>

The mapping function for the nonpaging case in the softmmu does basically the
same as required for Nested Paging. Make this function generic so it can be
used for both.

Signed-off-by: Joerg Roedel <joerg.roedel@....com>
Signed-off-by: Avi Kivity <avi@...ranet.com>
---
 arch/x86/kvm/mmu.c |    7 +++----
 1 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 21cfa28..33cd7c9 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -979,10 +979,9 @@ static void nonpaging_new_cr3(struct kvm_vcpu *vcpu)
 {
 }
 
-static int __nonpaging_map(struct kvm_vcpu *vcpu, gva_t v, int write,
-			   gfn_t gfn, struct page *page)
+static int __direct_map(struct kvm_vcpu *vcpu, gpa_t v, int write,
+			   gfn_t gfn, struct page *page, int level)
 {
-	int level = PT32E_ROOT_LEVEL;
 	hpa_t table_addr = vcpu->arch.mmu.root_hpa;
 	int pt_write = 0;
 
@@ -1042,7 +1041,7 @@ static int nonpaging_map(struct kvm_vcpu *vcpu, gva_t v, int write, gfn_t gfn)
 
 	spin_lock(&vcpu->kvm->mmu_lock);
 	kvm_mmu_free_some_pages(vcpu);
-	r = __nonpaging_map(vcpu, v, write, gfn, page);
+	r = __direct_map(vcpu, v, write, gfn, page, PT32E_ROOT_LEVEL);
 	spin_unlock(&vcpu->kvm->mmu_lock);
 
 	up_read(&vcpu->kvm->slots_lock);
-- 
1.5.4.5

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