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KVM: Make mark_page_dirty() work for aliased pages too.

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Recommended by Izik Eidus.

Signed-off-by: Uri Lublin <uril@qumranet.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Uri Lublin 2007-10-30 10:42:09 +02:00 committed by Avi Kivity
parent 9f1ef3f8f5
commit 3b6fff198c
1 changed files with 1 additions and 1 deletions
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2
drivers/kvm/kvm_main.c
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@ -796,11 +796,11 @@ int kvm_clear_guest(struct kvm *kvm, gpa_t gpa, unsigned long len)
}
EXPORT_SYMBOL_GPL(kvm_clear_guest);
/* WARNING: Does not work on aliased pages. */
void mark_page_dirty(struct kvm *kvm, gfn_t gfn)
{
struct kvm_memory_slot *memslot;
gfn = unalias_gfn(kvm, gfn);
memslot = __gfn_to_memslot(kvm, gfn);
if (memslot && memslot->dirty_bitmap) {
unsigned long rel_gfn = gfn - memslot->base_gfn;