Cache the address space ID just like the slot ID. It will be used in
order to fill in the dirty ring entries.
Suggested-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Suggested-by: Sean Christopherson <sean.j.christopherson@xxxxxxxxx>
Signed-off-by: Peter Xu <peterx@xxxxxxxxxx>
---
include/linux/kvm_host.h | 1 +
virt/kvm/kvm_main.c | 1 +
2 files changed, 2 insertions(+)
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index f6a1905da9bf..515570116b60 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -346,6 +346,7 @@ struct kvm_memory_slot {
unsigned long userspace_addr;
u32 flags;
short id;
+ u16 as_id;
};
static inline unsigned long kvm_dirty_bitmap_bytes(struct kvm_memory_slot *memslot)
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index f744bc603c53..c04612726e85 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -1243,6 +1243,7 @@ int __kvm_set_memory_region(struct kvm *kvm,
if (!mem->memory_size)
return kvm_delete_memslot(kvm, mem, &old, as_id);
+ new.as_id = as_id;
new.id = id;
new.base_gfn = mem->guest_phys_addr >> PAGE_SHIFT;
new.npages = mem->memory_size >> PAGE_SHIFT;
--
2.24.1
