diff mbox series

[PULL,18/29] kvm: tolerate non-existing slot for log_start/log_stop/log_sync

Message ID 1508343141-31835-19-git-send-email-pbonzini@redhat.com
State New
Headers show
Series [PULL,01/29] checkpatch: refine mode selection | expand

Commit Message

Paolo Bonzini Oct. 18, 2017, 4:12 p.m. UTC 
From: David Hildenbrand <david@redhat.com>

If we want to trap every access to a section, we might not have a
slot. So let's just tolerate if we don't have one.

Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20171016144302.24284-4-david@redhat.com>
Tested-by: Joe Clifford <joeclifford@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 accel/kvm/kvm-all.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c
index fae1eca..f5fa3e2 100644
--- a/accel/kvm/kvm-all.c
+++ b/accel/kvm/kvm-all.c
@@ -394,8 +394,8 @@  static int kvm_section_update_flags(KVMMemoryListener *kml,
 
     mem = kvm_lookup_matching_slot(kml, start_addr, size);
     if (!mem) {
-        fprintf(stderr, "%s: error finding slot\n", __func__);
-        abort();
+        /* We don't have a slot if we want to trap every access. */
+        return 0;
     }
 
     return kvm_slot_update_flags(kml, mem, section->mr);
@@ -470,8 +470,8 @@  static int kvm_physical_sync_dirty_bitmap(KVMMemoryListener *kml,
     if (size) {
         mem = kvm_lookup_matching_slot(kml, start_addr, size);
         if (!mem) {
-            fprintf(stderr, "%s: error finding slot\n", __func__);
-            abort();
+            /* We don't have a slot if we want to trap every access. */
+            return 0;
         }
 
         /* XXX bad kernel interface alert