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Subject[PATCH 03/55] KVM: Add a might_sleep() annotation to gfn_to_page()
Date
This will help trap accesses to guest memory in atomic context.

Signed-off-by: Avi Kivity <avi@qumranet.com>
---
drivers/kvm/kvm_main.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c
index ff77175..005f2d5 100644
--- a/drivers/kvm/kvm_main.c
+++ b/drivers/kvm/kvm_main.c
@@ -993,6 +993,8 @@ struct page *gfn_to_page(struct kvm *kvm, gfn_t gfn)
struct page *page[1];
int npages;

+ might_sleep();
+
gfn = unalias_gfn(kvm, gfn);
slot = __gfn_to_memslot(kvm, gfn);
if (!slot) {
--
1.5.3.7


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