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From: Joerg Roedel on 19 Feb 2010 10:30
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(a)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 c9d359a..4becefd 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1429,6 +1429,8 @@ 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;
--
1.6.6


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Prev: [PATCH 02/11] KVM: SVM: Fix wrong interrupt injection in enable_irq_windows
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