diff options
| author | David Hildenbrand <david@redhat.com> | 2017-09-11 19:49:32 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2017-09-19 14:09:33 +0200 |
| commit | 343562e8fa2222046feb3a730f60397784d108de (patch) | |
| tree | 83fffee465584970a20bab6f9115290680f3d2e4 | |
| parent | f357f564be0bd45245b3ccfbbe20ace08fe83ca8 (diff) | |
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>
| -rw-r--r-- | accel/kvm/kvm-all.c | 18 |
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, |