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KVM: Add a might_sleep() annotation to gfn_to_page()

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This will help trap accesses to guest memory in atomic context.

Signed-off-by: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Avi Kivity 2007-10-21 11:03:36 +02:00
parent e00c8cf29b
commit 60395224d9
1 changed files with 2 additions and 0 deletions
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2
drivers/kvm/kvm_main.c
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@ -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) {