linux-kernel - [PATCH 05/10] KVM: SVM: Annotate nested_svm_map with might

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Date:	Thu, 18 Feb 2010 12:38:30 +0100
From:	Joerg Roedel <joerg.roedel@....com>
To:	Avi Kivity <avi@...hat.com>, Marcelo Tosatti <mtosatti@...hat.com>
CC:	kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
	Joerg Roedel <joerg.roedel@....com>
Subject: [PATCH 05/10] 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@....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


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