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authorDavid Hildenbrand <david@redhat.com>2017-09-11 19:49:32 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2017-09-19 14:09:33 +0200
commit343562e8fa2222046feb3a730f60397784d108de (patch)
tree83fffee465584970a20bab6f9115290680f3d2e4 /accel
parentf357f564be0bd45245b3ccfbbe20ace08fe83ca8 (diff)
downloadqemu-343562e8fa2222046feb3a730f60397784d108de.tar.gz
kvm: kvm_log_start/stop are only called with known sections
Let's properly align the sections first and bail out if we would ever get called with a memory section we don't know yet. Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20170911174933.20789-6-david@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'accel')
-rw-r--r--accel/kvm/kvm-all.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c
index b677d1b13e..2ae459453d 100644
--- a/accel/kvm/kvm-all.c
+++ b/accel/kvm/kvm-all.c
@@ -411,15 +411,21 @@ static int kvm_slot_update_flags(KVMMemoryListener *kml, KVMSlot *mem,
static int kvm_section_update_flags(KVMMemoryListener *kml,
MemoryRegionSection *section)
{
- hwaddr phys_addr = section->offset_within_address_space;
- ram_addr_t size = int128_get64(section->size);
- KVMSlot *mem = kvm_lookup_matching_slot(kml, phys_addr, size);
+ hwaddr start_addr, size;
+ KVMSlot *mem;
- if (mem == NULL) {
+ size = kvm_align_section(section, &start_addr);
+ if (!size) {
return 0;
- } else {
- return kvm_slot_update_flags(kml, mem, section->mr);
}
+
+ mem = kvm_lookup_matching_slot(kml, start_addr, size);
+ if (!mem) {
+ fprintf(stderr, "%s: error finding slot\n", __func__);
+ abort();
+ }
+
+ return kvm_slot_update_flags(kml, mem, section->mr);
}
static void kvm_log_start(MemoryListener *listener,