linux/virt/kvm
Marcelo Tosatti 85db06e514 KVM: mmu_notifiers release method
The destructor for huge pages uses the backing inode for adjusting
hugetlbfs accounting.

Hugepage mappings are destroyed by exit_mmap, after
mmu_notifier_release, so there are no notifications through
unmap_hugepage_range at this point.

The hugetlbfs inode can be freed with pages backed by it referenced
by the shadow. When the shadow releases its reference, the huge page
destructor will access a now freed inode.

Implement the release operation for kvm mmu notifiers to release page
refs before the hugetlbfs inode is gone.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
2009-02-15 02:47:35 +02:00
..
coalesced_mmio.c KVM: Add coalesced MMIO support (common part) 2008-07-20 12:42:31 +03:00
coalesced_mmio.h KVM: Add coalesced MMIO support (common part) 2008-07-20 12:42:31 +03:00
ioapic.c KVM: Export ioapic_get_delivery_bitmask 2008-12-31 16:55:01 +02:00
ioapic.h KVM: Export ioapic_get_delivery_bitmask 2008-12-31 16:55:01 +02:00
iodev.h KVM: kvm_io_device: extend in_range() to manage len and write attribute 2008-07-20 12:42:30 +03:00
iommu.c kvm/iommu: fix compile warning 2009-01-03 16:37:53 +01:00
irq_comm.c KVM: add KVM_USERSPACE_IRQ_SOURCE_ID assertions 2008-12-31 16:55:07 +02:00
kvm_main.c KVM: mmu_notifiers release method 2009-02-15 02:47:35 +02:00
kvm_trace.c KVM: Prevent trace call into unloaded module text 2008-12-31 16:55:04 +02:00