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kvm: region_add and region_del is not called on updates

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Attributes are not updated via region_add()/region_del(). Attribute changes
lead to a delete first, followed by a new add.

If this would ever not be the case, we would get an error when trying to
register the new slot.

Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20171016144302.24284-6-david@redhat.com>
Tested-by: Joe Clifford <joeclifford@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
David Hildenbrand 2017-10-16 16:43:00 +02:00 committed by Paolo Bonzini
parent 1c4fdabaf7
commit 90ed4bcc3a
1 changed files with 1 additions and 7 deletions
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8
accel/kvm/kvm-all.c
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@ -721,8 +721,8 @@ static void kvm_set_phys_mem(KVMMemoryListener *kml,
ram = memory_region_get_ram_ptr(mr) + section->offset_within_region +
(start_addr - section->offset_within_address_space);
mem = kvm_lookup_matching_slot(kml, start_addr, size);
if (!add) {
mem = kvm_lookup_matching_slot(kml, start_addr, size);
if (!mem) {
return;
}
@ -741,12 +741,6 @@ static void kvm_set_phys_mem(KVMMemoryListener *kml,
return;
}
if (mem) {
/* update the slot */
kvm_slot_update_flags(kml, mem, mr);
return;
}
/* register the new slot */
mem = kvm_alloc_slot(kml);
mem->memory_size = size;