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>

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 02f8d49..4bc0183 100644 (file)
--- 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;