KVM: SVM: Annotate nested_svm_map with might_sleep()

The nested_svm_map() function can sleep and must not be called from atomic context. So annotate that function. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Signed-off-by: Avi Kivity <avi@redhat.com>
git-mirror · Apr 25, 2010 · 6c3bd3d · 6c3bd3d
1 parent cdbbdc1
commit 6c3bd3d
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
@@ -1434,6 +1434,8 @@ static void *nested_svm_map(struct vcpu_svm *svm, u64 gpa, struct page **_page)
 {
 	struct page *page;
 
+	might_sleep();
+
 	page = gfn_to_page(svm->vcpu.kvm, gpa >> PAGE_SHIFT);
 	if (is_error_page(page))
 		goto error;