[PATCH 05/10] KVM: SVM: Annotate nested_svm_map with might_sleep()

Joerg Roedel
2010-02-18T11:52:15Z

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>
---
arch/x86/kvm/svm.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 9a4f9ee..3f59cbd 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1423,6 +1423,8 @@ static void *nested_svm_map(struct vcpu_svm *svm, u64 gpa)
{
struct page *page;

+ might_sleep();
+
page = gfn_to_page(svm->vcpu.kvm, gpa >> PAGE_SHIFT);
if (is_error_page(page))
goto error;
--
1.6.6