---

yaml --- r: 202305 b: refs/heads/master c: 10ab25c h: refs/heads/master i: 202303: 8dc147c v: v3
git-mirror · Aug 1, 2010 · 32568f6 · 32568f6
1 parent 0dac10c
commit 32568f6
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Showing 5 changed files with 20 additions and 6 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6dc696d4ddf2181eefee361e1d24a49351aef1f6
+refs/heads/master: 10ab25cd6bf7ee4e5a55d81f203f7dc1a855c27e
diff --git a/trunk/arch/x86/include/asm/kvm_host.h b/trunk/arch/x86/include/asm/kvm_host.h
@@ -624,7 +624,7 @@ int kvm_pic_set_irq(void *opaque, int irq, int level);
 
 void kvm_inject_nmi(struct kvm_vcpu *vcpu);
 
-void fx_init(struct kvm_vcpu *vcpu);
+int fx_init(struct kvm_vcpu *vcpu);
 
 void kvm_mmu_flush_tlb(struct kvm_vcpu *vcpu);
 void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa,

diff --git a/trunk/arch/x86/kvm/svm.c b/trunk/arch/x86/kvm/svm.c
@@ -904,13 +904,18 @@ static struct kvm_vcpu *svm_create_vcpu(struct kvm *kvm, unsigned int id)
 	svm->asid_generation = 0;
 	init_vmcb(svm);
 
-	fx_init(&svm->vcpu);
+	err = fx_init(&svm->vcpu);
+	if (err)
+		goto free_page4;
+
 	svm->vcpu.arch.apic_base = 0xfee00000 | MSR_IA32_APICBASE_ENABLE;
 	if (kvm_vcpu_is_bsp(&svm->vcpu))
 		svm->vcpu.arch.apic_base |= MSR_IA32_APICBASE_BSP;
 
 	return &svm->vcpu;
 
+free_page4:
+	__free_page(hsave_page);
 free_page3:
 	__free_pages(nested_msrpm_pages, MSRPM_ALLOC_ORDER);
 free_page2:

diff --git a/trunk/arch/x86/kvm/vmx.c b/trunk/arch/x86/kvm/vmx.c
@@ -2659,7 +2659,9 @@ static int vmx_vcpu_reset(struct kvm_vcpu *vcpu)
 		msr |= MSR_IA32_APICBASE_BSP;
 	kvm_set_apic_base(&vmx->vcpu, msr);
 
-	fx_init(&vmx->vcpu);
+	ret = fx_init(&vmx->vcpu);
+	if (ret != 0)
+		goto out;
 
 	seg_setup(VCPU_SREG_CS);
 	/*

diff --git a/trunk/arch/x86/kvm/x86.c b/trunk/arch/x86/kvm/x86.c
@@ -5114,12 +5114,19 @@ int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu)
 	return 0;
 }
 
-void fx_init(struct kvm_vcpu *vcpu)
+int fx_init(struct kvm_vcpu *vcpu)
 {
-	fpu_alloc(&vcpu->arch.guest_fpu);
+	int err;
+
+	err = fpu_alloc(&vcpu->arch.guest_fpu);
+	if (err)
+		return err;
+
 	fpu_finit(&vcpu->arch.guest_fpu);
 
 	vcpu->arch.cr0 |= X86_CR0_ET;
+
+	return 0;
 }
 EXPORT_SYMBOL_GPL(fx_init);