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kvm: fix alignment of ram address

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Fix the wrong calculation of the delta, used to align the ram address.

This only strikes if alignment has to be done.

Reported-by: Joe Clifford <joeclifford@gmail.com>
Fixes: 5ea69c2e36 ("kvm: factor out alignment of memory section")
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20171016144302.24284-3-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
2017-10-18 10:14:35 +02:00
committed by Paolo Bonzini
parent ae990e6cd7
commit bbfd3017eb
1 changed files with 2 additions and 1 deletions
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accel/kvm/kvm-all.c
+2 -1
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@@ -717,8 +717,9 @@ static void kvm_set_phys_mem(KVMMemoryListener *kml,
return;
}
/* use aligned delta to align the ram address */
ram = memory_region_get_ram_ptr(mr) + section->offset_within_region +
(section->offset_within_address_space - start_addr);
(start_addr - section->offset_within_address_space);
mem = kvm_lookup_matching_slot(kml, start_addr, size);
if (!add) {