---

yaml --- r: 93825 b: refs/heads/master c: 9f81128 h: refs/heads/master i: 93823: b18bb34 v: v3
git-mirror · Apr 27, 2008 · 50aaa86 · 50aaa86
1 parent 8b4d735
commit 50aaa86
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Showing 3 changed files with 18 additions and 8 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0cf1bfd2737f41e59f974a61eab11af206d2042a
+refs/heads/master: 9f81128591ca1e9907f2e7a7b195e33232167d60
diff --git a/trunk/arch/x86/kvm/x86.c b/trunk/arch/x86/kvm/x86.c
@@ -1840,22 +1840,29 @@ static int emulator_read_emulated(unsigned long addr,
 	return X86EMUL_UNHANDLEABLE;
 }
 
-static int emulator_write_phys(struct kvm_vcpu *vcpu, gpa_t gpa,
-			       const void *val, int bytes)
+int __emulator_write_phys(struct kvm_vcpu *vcpu, gpa_t gpa,
+			  const void *val, int bytes)
 {
 	int ret;
 
-	down_read(&vcpu->kvm->slots_lock);
 	ret = kvm_write_guest(vcpu->kvm, gpa, val, bytes);
-	if (ret < 0) {
-		up_read(&vcpu->kvm->slots_lock);
+	if (ret < 0)
 		return 0;
-	}
 	kvm_mmu_pte_write(vcpu, gpa, val, bytes);
-	up_read(&vcpu->kvm->slots_lock);
 	return 1;
 }
 
+static int emulator_write_phys(struct kvm_vcpu *vcpu, gpa_t gpa,
+			const void *val, int bytes)
+{
+	int ret;
+
+	down_read(&vcpu->kvm->slots_lock);
+	ret =__emulator_write_phys(vcpu, gpa, val, bytes);
+	up_read(&vcpu->kvm->slots_lock);
+	return ret;
+}
+
 static int emulator_write_emulated_onepage(unsigned long addr,
 					   const void *val,
 					   unsigned int bytes,

diff --git a/trunk/include/asm-x86/kvm_host.h b/trunk/include/asm-x86/kvm_host.h
@@ -432,6 +432,9 @@ void kvm_mmu_change_mmu_pages(struct kvm *kvm, unsigned int kvm_nr_mmu_pages);
 
 int load_pdptrs(struct kvm_vcpu *vcpu, unsigned long cr3);
 
+int __emulator_write_phys(struct kvm_vcpu *vcpu, gpa_t gpa,
+			  const void *val, int bytes);
+
 enum emulation_result {
 	EMULATE_DONE,       /* no further processing */
 	EMULATE_DO_MMIO,      /* kvm_run filled with mmio request */