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-rwxr-xr-xconfigure14
-rw-r--r--hw/net/e1000.c2
-rw-r--r--hw/net/virtio-net.c4
-rw-r--r--hw/pci/pci.c2
-rw-r--r--hw/ppc/spapr.c4
-rw-r--r--hw/ppc/spapr_drc.c20
-rw-r--r--hw/virtio/vhost.c84
-rw-r--r--include/hw/ppc/spapr_drc.h1
-rw-r--r--include/hw/virtio/vhost.h11
-rw-r--r--include/hw/virtio/virtio.h2
-rw-r--r--slirp/ip6_icmp.c47
-rw-r--r--slirp/slirp.c2
-rw-r--r--target/i386/cpu.c32
-rw-r--r--target/i386/cpu.h2
-rw-r--r--tests/acpi-utils.h2
-rw-r--r--util/event_notifier-posix.c2
-rw-r--r--util/event_notifier-win32.c1
17 files changed, 165 insertions, 67 deletions
diff --git a/configure b/configure
index 07018e0a0b..8c6151af8d 100755
--- a/configure
+++ b/configure
@@ -323,6 +323,7 @@ replication="yes"
 
 supported_cpu="no"
 supported_os="no"
+bogus_os="no"
 
 # parse CC options first
 for opt do
@@ -694,7 +695,10 @@ Linux)
   supported_os="yes"
 ;;
 *)
-  error_exit "Unsupported host OS $targetos"
+  # This is a fatal error, but don't report it yet, because we
+  # might be going to just print the --help text, or it might
+  # be the result of a missing compiler.
+  bogus_os="yes"
 ;;
 esac
 
@@ -1460,6 +1464,14 @@ if ! compile_prog ; then
     error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
 fi
 
+if test "$bogus_os" = "yes"; then
+    # Now that we know that we're not printing the help and that
+    # the compiler works (so the results of the check_defines we used
+    # to identify the OS are reliable), if we didn't recognize the
+    # host OS we should stop now.
+    error_exit "Unrecognized host OS $targetos"
+fi
+
 # Check that the C++ compiler exists and works with the C compiler
 if has $cxx; then
     cat > $TMPC <<EOF
diff --git a/hw/net/e1000.c b/hw/net/e1000.c
index 93249497f4..f2e5072d27 100644
--- a/hw/net/e1000.c
+++ b/hw/net/e1000.c
@@ -40,7 +40,7 @@
 
 static const uint8_t bcast[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 
-#define E1000_DEBUG
+/* #define E1000_DEBUG */
 
 #ifdef E1000_DEBUG
 enum {
diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index c32168077a..7d091c9259 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -510,6 +510,10 @@ static int peer_attach(VirtIONet *n, int index)
         return 0;
     }
 
+    if (n->max_queues == 1) {
+        return 0;
+    }
+
     return tap_enable(nc->peer);
 }
 
diff --git a/hw/pci/pci.c b/hw/pci/pci.c
index e6b08e1988..bd8043c460 100644
--- a/hw/pci/pci.c
+++ b/hw/pci/pci.c
@@ -869,6 +869,8 @@ static void do_pci_unregister_device(PCIDevice *pci_dev)
     pci_dev->bus->devices[pci_dev->devfn] = NULL;
     pci_config_free(pci_dev);
 
+    memory_region_del_subregion(&pci_dev->bus_master_container_region,
+                                &pci_dev->bus_master_enable_region);
     address_space_destroy(&pci_dev->bus_master_as);
 }
 
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 8aecea3dd1..44c26e4be8 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -1524,16 +1524,16 @@ static void htab_save_first_pass(QEMUFile *f, sPAPRMachineState *spapr,
         /* Consume invalid HPTEs */
         while ((index < htabslots)
                && !HPTE_VALID(HPTE(spapr->htab, index))) {
-            index++;
             CLEAN_HPTE(HPTE(spapr->htab, index));
+            index++;
         }
 
         /* Consume valid HPTEs */
         chunkstart = index;
         while ((index < htabslots) && (index - chunkstart < USHRT_MAX)
                && HPTE_VALID(HPTE(spapr->htab, index))) {
-            index++;
             CLEAN_HPTE(HPTE(spapr->htab, index));
+            index++;
         }
 
         if (index > chunkstart) {
diff --git a/hw/ppc/spapr_drc.c b/hw/ppc/spapr_drc.c
index 150f6bf2c7..a1cdc875b1 100644
--- a/hw/ppc/spapr_drc.c
+++ b/hw/ppc/spapr_drc.c
@@ -135,6 +135,17 @@ static uint32_t set_allocation_state(sPAPRDRConnector *drc,
         if (!drc->dev) {
             return RTAS_OUT_NO_SUCH_INDICATOR;
         }
+        if (drc->awaiting_release && drc->awaiting_allocation) {
+            /* kernel is acknowledging a previous hotplug event
+             * while we are already removing it.
+             * it's safe to ignore awaiting_allocation here since we know the
+             * situation is predicated on the guest either already having done
+             * so (boot-time hotplug), or never being able to acquire in the
+             * first place (hotplug followed by immediate unplug).
+             */
+            drc->awaiting_allocation_skippable = true;
+            return RTAS_OUT_NO_SUCH_INDICATOR;
+        }
     }
 
     if (drc->type != SPAPR_DR_CONNECTOR_TYPE_PCI) {
@@ -436,9 +447,11 @@ static void detach(sPAPRDRConnector *drc, DeviceState *d,
     }
 
     if (drc->awaiting_allocation) {
-        drc->awaiting_release = true;
-        trace_spapr_drc_awaiting_allocation(get_index(drc));
-        return;
+        if (!drc->awaiting_allocation_skippable) {
+            drc->awaiting_release = true;
+            trace_spapr_drc_awaiting_allocation(get_index(drc));
+            return;
+        }
     }
 
     drc->indicator_state = SPAPR_DR_INDICATOR_STATE_INACTIVE;
@@ -448,6 +461,7 @@ static void detach(sPAPRDRConnector *drc, DeviceState *d,
     }
 
     drc->awaiting_release = false;
+    drc->awaiting_allocation_skippable = false;
     g_free(drc->fdt);
     drc->fdt = NULL;
     drc->fdt_start_offset = 0;
diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
index febe519bbd..613494dcc2 100644
--- a/hw/virtio/vhost.c
+++ b/hw/virtio/vhost.c
@@ -425,10 +425,8 @@ static inline void vhost_dev_log_resize(struct vhost_dev *dev, uint64_t size)
 static int vhost_dev_has_iommu(struct vhost_dev *dev)
 {
     VirtIODevice *vdev = dev->vdev;
-    AddressSpace *dma_as = vdev->dma_as;
 
-    return memory_region_is_iommu(dma_as->root) &&
-           virtio_host_has_feature(vdev, VIRTIO_F_IOMMU_PLATFORM);
+    return virtio_host_has_feature(vdev, VIRTIO_F_IOMMU_PLATFORM);
 }
 
 static void *vhost_memory_map(struct vhost_dev *dev, hwaddr addr,
@@ -720,6 +718,63 @@ static void vhost_region_del(MemoryListener *listener,
     }
 }
 
+static void vhost_iommu_unmap_notify(IOMMUNotifier *n, IOMMUTLBEntry *iotlb)
+{
+    struct vhost_iommu *iommu = container_of(n, struct vhost_iommu, n);
+    struct vhost_dev *hdev = iommu->hdev;
+    hwaddr iova = iotlb->iova + iommu->iommu_offset;
+
+    if (hdev->vhost_ops->vhost_invalidate_device_iotlb(hdev, iova,
+                                                       iotlb->addr_mask + 1)) {
+        error_report("Fail to invalidate device iotlb");
+    }
+}
+
+static void vhost_iommu_region_add(MemoryListener *listener,
+                                   MemoryRegionSection *section)
+{
+    struct vhost_dev *dev = container_of(listener, struct vhost_dev,
+                                         iommu_listener);
+    struct vhost_iommu *iommu;
+
+    if (!memory_region_is_iommu(section->mr)) {
+        return;
+    }
+
+    iommu = g_malloc0(sizeof(*iommu));
+    iommu->n.notify = vhost_iommu_unmap_notify;
+    iommu->n.notifier_flags = IOMMU_NOTIFIER_UNMAP;
+    iommu->mr = section->mr;
+    iommu->iommu_offset = section->offset_within_address_space -
+                          section->offset_within_region;
+    iommu->hdev = dev;
+    memory_region_register_iommu_notifier(section->mr, &iommu->n);
+    QLIST_INSERT_HEAD(&dev->iommu_list, iommu, iommu_next);
+    /* TODO: can replay help performance here? */
+}
+
+static void vhost_iommu_region_del(MemoryListener *listener,
+                                   MemoryRegionSection *section)
+{
+    struct vhost_dev *dev = container_of(listener, struct vhost_dev,
+                                         iommu_listener);
+    struct vhost_iommu *iommu;
+
+    if (!memory_region_is_iommu(section->mr)) {
+        return;
+    }
+
+    QLIST_FOREACH(iommu, &dev->iommu_list, iommu_next) {
+        if (iommu->mr == section->mr) {
+            memory_region_unregister_iommu_notifier(iommu->mr,
+                                                    &iommu->n);
+            QLIST_REMOVE(iommu, iommu_next);
+            g_free(iommu);
+            break;
+        }
+    }
+}
+
 static void vhost_region_nop(MemoryListener *listener,
                              MemoryRegionSection *section)
 {
@@ -1161,17 +1216,6 @@ static void vhost_virtqueue_cleanup(struct vhost_virtqueue *vq)
     event_notifier_cleanup(&vq->masked_notifier);
 }
 
-static void vhost_iommu_unmap_notify(IOMMUNotifier *n, IOMMUTLBEntry *iotlb)
-{
-    struct vhost_dev *hdev = container_of(n, struct vhost_dev, n);
-
-    if (hdev->vhost_ops->vhost_invalidate_device_iotlb(hdev,
-                                                       iotlb->iova,
-                                                       iotlb->addr_mask + 1)) {
-        error_report("Fail to invalidate device iotlb");
-    }
-}
-
 int vhost_dev_init(struct vhost_dev *hdev, void *opaque,
                    VhostBackendType backend_type, uint32_t busyloop_timeout)
 {
@@ -1244,8 +1288,10 @@ int vhost_dev_init(struct vhost_dev *hdev, void *opaque,
         .priority = 10
     };
 
-    hdev->n.notify = vhost_iommu_unmap_notify;
-    hdev->n.notifier_flags = IOMMU_NOTIFIER_UNMAP;
+    hdev->iommu_listener = (MemoryListener) {
+        .region_add = vhost_iommu_region_add,
+        .region_del = vhost_iommu_region_del,
+    };
 
     if (hdev->migration_blocker == NULL) {
         if (!(hdev->features & (0x1ULL << VHOST_F_LOG_ALL))) {
@@ -1455,8 +1501,7 @@ int vhost_dev_start(struct vhost_dev *hdev, VirtIODevice *vdev)
     }
 
     if (vhost_dev_has_iommu(hdev)) {
-        memory_region_register_iommu_notifier(vdev->dma_as->root,
-                                              &hdev->n);
+        memory_listener_register(&hdev->iommu_listener, vdev->dma_as);
     }
 
     r = hdev->vhost_ops->vhost_set_mem_table(hdev, hdev->mem);
@@ -1538,8 +1583,7 @@ void vhost_dev_stop(struct vhost_dev *hdev, VirtIODevice *vdev)
 
     if (vhost_dev_has_iommu(hdev)) {
         hdev->vhost_ops->vhost_set_iotlb_callback(hdev, false);
-        memory_region_unregister_iommu_notifier(vdev->dma_as->root,
-                                                &hdev->n);
+        memory_listener_unregister(&hdev->iommu_listener);
     }
     vhost_log_put(hdev, true);
     hdev->started = false;
diff --git a/include/hw/ppc/spapr_drc.h b/include/hw/ppc/spapr_drc.h
index fa531d5c26..5524247cdc 100644
--- a/include/hw/ppc/spapr_drc.h
+++ b/include/hw/ppc/spapr_drc.h
@@ -154,6 +154,7 @@ typedef struct sPAPRDRConnector {
     bool awaiting_release;
     bool signalled;
     bool awaiting_allocation;
+    bool awaiting_allocation_skippable;
 
     /* device pointer, via link property */
     DeviceState *dev;
diff --git a/include/hw/virtio/vhost.h b/include/hw/virtio/vhost.h
index 52f633ec89..a45032163d 100644
--- a/include/hw/virtio/vhost.h
+++ b/include/hw/virtio/vhost.h
@@ -37,10 +37,20 @@ struct vhost_log {
     vhost_log_chunk_t *log;
 };
 
+struct vhost_dev;
+struct vhost_iommu {
+    struct vhost_dev *hdev;
+    MemoryRegion *mr;
+    hwaddr iommu_offset;
+    IOMMUNotifier n;
+    QLIST_ENTRY(vhost_iommu) iommu_next;
+};
+
 struct vhost_memory;
 struct vhost_dev {
     VirtIODevice *vdev;
     MemoryListener memory_listener;
+    MemoryListener iommu_listener;
     struct vhost_memory *mem;
     int n_mem_sections;
     MemoryRegionSection *mem_sections;
@@ -64,6 +74,7 @@ struct vhost_dev {
     void *opaque;
     struct vhost_log *log;
     QLIST_ENTRY(vhost_dev) entry;
+    QLIST_HEAD(, vhost_iommu) iommu_list;
     IOMMUNotifier n;
 };
 
diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
index 15efcf2057..7b6edbafd7 100644
--- a/include/hw/virtio/virtio.h
+++ b/include/hw/virtio/virtio.h
@@ -34,7 +34,7 @@ struct VirtQueue;
 static inline hwaddr vring_align(hwaddr addr,
                                              unsigned long align)
 {
-    return (addr + align - 1) & ~(align - 1);
+    return QEMU_ALIGN_UP(addr, align);
 }
 
 typedef struct VirtQueue VirtQueue;
diff --git a/slirp/ip6_icmp.c b/slirp/ip6_icmp.c
index 298a48dd25..777eb574be 100644
--- a/slirp/ip6_icmp.c
+++ b/slirp/ip6_icmp.c
@@ -143,17 +143,13 @@ void ndp_send_ra(Slirp *slirp)
     /* Build IPv6 packet */
     struct mbuf *t = m_get(slirp);
     struct ip6 *rip = mtod(t, struct ip6 *);
+    size_t pl_size = 0;
+    struct in6_addr addr;
+    uint32_t scope_id;
+
     rip->ip_src = (struct in6_addr)LINKLOCAL_ADDR;
     rip->ip_dst = (struct in6_addr)ALLNODES_MULTICAST;
     rip->ip_nh = IPPROTO_ICMPV6;
-    rip->ip_pl = htons(ICMP6_NDP_RA_MINLEN
-                        + NDPOPT_LINKLAYER_LEN
-                        + NDPOPT_PREFIXINFO_LEN
-#ifndef _WIN32
-                        + NDPOPT_RDNSS_LEN
-#endif
-                        );
-    t->m_len = sizeof(struct ip6) + ntohs(rip->ip_pl);
 
     /* Build ICMPv6 packet */
     t->m_data += sizeof(struct ip6);
@@ -171,6 +167,7 @@ void ndp_send_ra(Slirp *slirp)
     ricmp->icmp6_nra.reach_time = htonl(NDP_AdvReachableTime);
     ricmp->icmp6_nra.retrans_time = htonl(NDP_AdvRetransTime);
     t->m_data += ICMP6_NDP_RA_MINLEN;
+    pl_size += ICMP6_NDP_RA_MINLEN;
 
     /* Source link-layer address (NDP option) */
     struct ndpopt *opt = mtod(t, struct ndpopt *);
@@ -178,6 +175,7 @@ void ndp_send_ra(Slirp *slirp)
     opt->ndpopt_len = NDPOPT_LINKLAYER_LEN / 8;
     in6_compute_ethaddr(rip->ip_src, opt->ndpopt_linklayer);
     t->m_data += NDPOPT_LINKLAYER_LEN;
+    pl_size += NDPOPT_LINKLAYER_LEN;
 
     /* Prefix information (NDP option) */
     struct ndpopt *opt2 = mtod(t, struct ndpopt *);
@@ -192,27 +190,26 @@ void ndp_send_ra(Slirp *slirp)
     opt2->ndpopt_prefixinfo.reserved2 = 0;
     opt2->ndpopt_prefixinfo.prefix = slirp->vprefix_addr6;
     t->m_data += NDPOPT_PREFIXINFO_LEN;
+    pl_size += NDPOPT_PREFIXINFO_LEN;
 
-#ifndef _WIN32
     /* Prefix information (NDP option) */
-    /* disabled for windows for now, until get_dns6_addr is implemented */
-    struct ndpopt *opt3 = mtod(t, struct ndpopt *);
-    opt3->ndpopt_type = NDPOPT_RDNSS;
-    opt3->ndpopt_len = NDPOPT_RDNSS_LEN / 8;
-    opt3->ndpopt_rdnss.reserved = 0;
-    opt3->ndpopt_rdnss.lifetime = htonl(2 * NDP_MaxRtrAdvInterval);
-    opt3->ndpopt_rdnss.addr = slirp->vnameserver_addr6;
-    t->m_data += NDPOPT_RDNSS_LEN;
-#endif
+    if (get_dns6_addr(&addr, &scope_id) >= 0) {
+        /* Host system does have an IPv6 DNS server, announce our proxy.  */
+        struct ndpopt *opt3 = mtod(t, struct ndpopt *);
+        opt3->ndpopt_type = NDPOPT_RDNSS;
+        opt3->ndpopt_len = NDPOPT_RDNSS_LEN / 8;
+        opt3->ndpopt_rdnss.reserved = 0;
+        opt3->ndpopt_rdnss.lifetime = htonl(2 * NDP_MaxRtrAdvInterval);
+        opt3->ndpopt_rdnss.addr = slirp->vnameserver_addr6;
+        t->m_data += NDPOPT_RDNSS_LEN;
+        pl_size += NDPOPT_RDNSS_LEN;
+    }
+
+    rip->ip_pl = htons(pl_size);
+    t->m_data -= sizeof(struct ip6) + pl_size;
+    t->m_len = sizeof(struct ip6) + pl_size;
 
     /* ICMPv6 Checksum */
-#ifndef _WIN32
-    t->m_data -= NDPOPT_RDNSS_LEN;
-#endif
-    t->m_data -= NDPOPT_PREFIXINFO_LEN;
-    t->m_data -= NDPOPT_LINKLAYER_LEN;
-    t->m_data -= ICMP6_NDP_RA_MINLEN;
-    t->m_data -= sizeof(struct ip6);
     ricmp->icmp6_cksum = ip6_cksum(t);
 
     ip6_output(NULL, t, 0);
diff --git a/slirp/slirp.c b/slirp/slirp.c
index 60539de7a3..5a94b06f5e 100644
--- a/slirp/slirp.c
+++ b/slirp/slirp.c
@@ -198,7 +198,7 @@ static int get_dns_addr_resolv_conf(int af, void *pdns_addr, void *cached_addr,
 #ifdef DEBUG
             else {
                 char s[INET6_ADDRSTRLEN];
-                char *res = inet_ntop(af, tmp_addr, s, sizeof(s));
+                const char *res = inet_ntop(af, tmp_addr, s, sizeof(s));
                 if (!res) {
                     res = "(string conversion error)";
                 }
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 7aa762245a..13c0985f11 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -3373,15 +3373,19 @@ static void x86_cpu_expand_features(X86CPU *cpu, Error **errp)
     GList *l;
     Error *local_err = NULL;
 
-    /*TODO: cpu->max_features incorrectly overwrites features
-     * set using "feat=on|off". Once we fix this, we can convert
+    /*TODO: Now cpu->max_features doesn't overwrite features
+     * set using QOM properties, and we can convert
      * plus_features & minus_features to global properties
      * inside x86_cpu_parse_featurestr() too.
      */
     if (cpu->max_features) {
         for (w = 0; w < FEATURE_WORDS; w++) {
-            env->features[w] =
-                x86_cpu_get_supported_feature_word(w, cpu->migratable);
+            /* Override only features that weren't set explicitly
+             * by the user.
+             */
+            env->features[w] |=
+                x86_cpu_get_supported_feature_word(w, cpu->migratable) &
+                ~env->user_features[w];
         }
     }
 
@@ -3692,15 +3696,17 @@ static void x86_cpu_unrealizefn(DeviceState *dev, Error **errp)
 }
 
 typedef struct BitProperty {
-    uint32_t *ptr;
+    FeatureWord w;
     uint32_t mask;
 } BitProperty;
 
 static void x86_cpu_get_bit_prop(Object *obj, Visitor *v, const char *name,
                                  void *opaque, Error **errp)
 {
+    X86CPU *cpu = X86_CPU(obj);
     BitProperty *fp = opaque;
-    bool value = (*fp->ptr & fp->mask) == fp->mask;
+    uint32_t f = cpu->env.features[fp->w];
+    bool value = (f & fp->mask) == fp->mask;
     visit_type_bool(v, name, &value, errp);
 }
 
@@ -3708,6 +3714,7 @@ static void x86_cpu_set_bit_prop(Object *obj, Visitor *v, const char *name,
                                  void *opaque, Error **errp)
 {
     DeviceState *dev = DEVICE(obj);
+    X86CPU *cpu = X86_CPU(obj);
     BitProperty *fp = opaque;
     Error *local_err = NULL;
     bool value;
@@ -3724,10 +3731,11 @@ static void x86_cpu_set_bit_prop(Object *obj, Visitor *v, const char *name,
     }
 
     if (value) {
-        *fp->ptr |= fp->mask;
+        cpu->env.features[fp->w] |= fp->mask;
     } else {
-        *fp->ptr &= ~fp->mask;
+        cpu->env.features[fp->w] &= ~fp->mask;
     }
+    cpu->env.user_features[fp->w] |= fp->mask;
 }
 
 static void x86_cpu_release_bit_prop(Object *obj, const char *name,
@@ -3745,7 +3753,7 @@ static void x86_cpu_release_bit_prop(Object *obj, const char *name,
  */
 static void x86_cpu_register_bit_prop(X86CPU *cpu,
                                       const char *prop_name,
-                                      uint32_t *field,
+                                      FeatureWord w,
                                       int bitnr)
 {
     BitProperty *fp;
@@ -3755,11 +3763,11 @@ static void x86_cpu_register_bit_prop(X86CPU *cpu,
     op = object_property_find(OBJECT(cpu), prop_name, NULL);
     if (op) {
         fp = op->opaque;
-        assert(fp->ptr == field);
+        assert(fp->w == w);
         fp->mask |= mask;
     } else {
         fp = g_new0(BitProperty, 1);
-        fp->ptr = field;
+        fp->w = w;
         fp->mask = mask;
         object_property_add(OBJECT(cpu), prop_name, "bool",
                             x86_cpu_get_bit_prop,
@@ -3787,7 +3795,7 @@ static void x86_cpu_register_feature_bit_props(X86CPU *cpu,
     /* aliases don't use "|" delimiters anymore, they are registered
      * manually using object_property_add_alias() */
     assert(!strchr(name, '|'));
-    x86_cpu_register_bit_prop(cpu, name, &cpu->env.features[w], bitnr);
+    x86_cpu_register_bit_prop(cpu, name, w, bitnr);
 }
 
 static GuestPanicInformation *x86_cpu_get_crash_info(CPUState *cs)
diff --git a/target/i386/cpu.h b/target/i386/cpu.h
index 07401ad9fe..c4602ca80d 100644
--- a/target/i386/cpu.h
+++ b/target/i386/cpu.h
@@ -1147,6 +1147,8 @@ typedef struct CPUX86State {
     uint32_t cpuid_vendor3;
     uint32_t cpuid_version;
     FeatureWordArray features;
+    /* Features that were explicitly enabled/disabled */
+    FeatureWordArray user_features;
     uint32_t cpuid_model[12];
 
     /* MTRRs */
diff --git a/tests/acpi-utils.h b/tests/acpi-utils.h
index 9f9a2d532c..348e4d7931 100644
--- a/tests/acpi-utils.h
+++ b/tests/acpi-utils.h
@@ -26,7 +26,7 @@ typedef struct {
     gsize asl_len;
     gchar *asl_file;
     bool tmp_files_retain;   /* do not delete the temp asl/aml */
-} QEMU_PACKED AcpiSdtTable;
+} AcpiSdtTable;
 
 #define ACPI_READ_FIELD(field, addr)           \
     do {                                       \
diff --git a/util/event_notifier-posix.c b/util/event_notifier-posix.c
index 7e40252ade..acdbe3b483 100644
--- a/util/event_notifier-posix.c
+++ b/util/event_notifier-posix.c
@@ -81,8 +81,10 @@ void event_notifier_cleanup(EventNotifier *e)
 {
     if (e->rfd != e->wfd) {
         close(e->rfd);
+        e->rfd = -1;
     }
     close(e->wfd);
+    e->wfd = -1;
 }
 
 int event_notifier_get_fd(const EventNotifier *e)
diff --git a/util/event_notifier-win32.c b/util/event_notifier-win32.c
index 519fb59123..62c53b0a99 100644
--- a/util/event_notifier-win32.c
+++ b/util/event_notifier-win32.c
@@ -25,6 +25,7 @@ int event_notifier_init(EventNotifier *e, int active)
 void event_notifier_cleanup(EventNotifier *e)
 {
     CloseHandle(e->event);
+    e->event = NULL;
 }
 
 HANDLE event_notifier_get_handle(EventNotifier *e)