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-rw-r--r--block/file-posix.c146
-rw-r--r--blockjob.c27
-rw-r--r--docs/qdev-device-use.txt3
-rw-r--r--hw/core/qdev-properties-system.c80
-rw-r--r--hw/s390x/ccw-device.c8
-rw-r--r--hw/s390x/css.c8
-rw-r--r--hw/s390x/ipl.c43
-rw-r--r--hw/s390x/ipl.h16
-rw-r--r--hw/s390x/s390-virtio-ccw.c51
-rw-r--r--hw/s390x/virtio-ccw.c20
-rw-r--r--hw/s390x/virtio-ccw.h1
-rw-r--r--include/block/blockjob_int.h14
-rw-r--r--include/exec/user/thunk.h22
-rw-r--r--include/hw/qdev-properties.h3
-rw-r--r--include/hw/s390x/s390-virtio-ccw.h2
-rw-r--r--include/net/net.h1
-rw-r--r--linux-user/sparc/syscall_nr.h32
-rw-r--r--linux-user/sparc/target_errno.h207
-rw-r--r--linux-user/sparc/target_syscall.h4
-rw-r--r--linux-user/sparc64/syscall_nr.h20
-rw-r--r--linux-user/sparc64/target_syscall.h5
-rw-r--r--linux-user/syscall.c66
-rw-r--r--linux-user/syscall_defs.h25
-rw-r--r--net/hub.c7
-rw-r--r--net/net.c18
-rw-r--r--net/slirp.c8
-rw-r--r--net/tap.c4
-rw-r--r--pc-bios/s390-ccw/cio.h2
-rw-r--r--qapi/block-core.json7
-rw-r--r--qapi/net.json15
-rw-r--r--qemu-doc.texi51
-rw-r--r--qemu-options.hx29
-rwxr-xr-xscripts/checkpatch.pl56
-rw-r--r--target/m68k/softfloat.c1
-rw-r--r--target/s390x/cpu.h26
-rw-r--r--target/s390x/diag.c61
-rw-r--r--target/s390x/internal.h6
-rw-r--r--target/s390x/kvm.c2
-rw-r--r--target/s390x/misc_helper.c2
39 files changed, 756 insertions, 343 deletions
diff --git a/block/file-posix.c b/block/file-posix.c
index 3794c0007a..5a602cfe37 100644
--- a/block/file-posix.c
+++ b/block/file-posix.c
@@ -161,6 +161,7 @@ typedef struct BDRVRawState {
     bool page_cache_inconsistent:1;
     bool has_fallocate;
     bool needs_alignment;
+    bool check_cache_dropped;
 
     PRManager *pr_mgr;
 } BDRVRawState;
@@ -168,6 +169,7 @@ typedef struct BDRVRawState {
 typedef struct BDRVRawReopenState {
     int fd;
     int open_flags;
+    bool check_cache_dropped;
 } BDRVRawReopenState;
 
 static int fd_open(BlockDriverState *bs);
@@ -415,6 +417,11 @@ static QemuOptsList raw_runtime_opts = {
             .type = QEMU_OPT_STRING,
             .help = "id of persistent reservation manager object (default: none)",
         },
+        {
+            .name = "x-check-cache-dropped",
+            .type = QEMU_OPT_BOOL,
+            .help = "check that page cache was dropped on live migration (default: off)"
+        },
         { /* end of list */ }
     },
 };
@@ -500,6 +507,9 @@ static int raw_open_common(BlockDriverState *bs, QDict *options,
         }
     }
 
+    s->check_cache_dropped = qemu_opt_get_bool(opts, "x-check-cache-dropped",
+                                               false);
+
     s->open_flags = open_flags;
     raw_parse_flags(bdrv_flags, &s->open_flags);
 
@@ -777,6 +787,7 @@ static int raw_reopen_prepare(BDRVReopenState *state,
 {
     BDRVRawState *s;
     BDRVRawReopenState *rs;
+    QemuOpts *opts;
     int ret = 0;
     Error *local_err = NULL;
 
@@ -787,6 +798,19 @@ static int raw_reopen_prepare(BDRVReopenState *state,
 
     state->opaque = g_new0(BDRVRawReopenState, 1);
     rs = state->opaque;
+    rs->fd = -1;
+
+    /* Handle options changes */
+    opts = qemu_opts_create(&raw_runtime_opts, NULL, 0, &error_abort);
+    qemu_opts_absorb_qdict(opts, state->options, &local_err);
+    if (local_err) {
+        error_propagate(errp, local_err);
+        ret = -EINVAL;
+        goto out;
+    }
+
+    rs->check_cache_dropped = qemu_opt_get_bool(opts, "x-check-cache-dropped",
+                                                s->check_cache_dropped);
 
     if (s->type == FTYPE_CD) {
         rs->open_flags |= O_NONBLOCK;
@@ -794,8 +818,6 @@ static int raw_reopen_prepare(BDRVReopenState *state,
 
     raw_parse_flags(state->flags, &rs->open_flags);
 
-    rs->fd = -1;
-
     int fcntl_flags = O_APPEND | O_NONBLOCK;
 #ifdef O_NOATIME
     fcntl_flags |= O_NOATIME;
@@ -850,6 +872,8 @@ static int raw_reopen_prepare(BDRVReopenState *state,
         }
     }
 
+out:
+    qemu_opts_del(opts);
     return ret;
 }
 
@@ -858,6 +882,7 @@ static void raw_reopen_commit(BDRVReopenState *state)
     BDRVRawReopenState *rs = state->opaque;
     BDRVRawState *s = state->bs->opaque;
 
+    s->check_cache_dropped = rs->check_cache_dropped;
     s->open_flags = rs->open_flags;
 
     qemu_close(s->fd);
@@ -2236,6 +2261,120 @@ static int coroutine_fn raw_co_block_status(BlockDriverState *bs,
     return ret | BDRV_BLOCK_OFFSET_VALID;
 }
 
+#if defined(__linux__)
+/* Verify that the file is not in the page cache */
+static void check_cache_dropped(BlockDriverState *bs, Error **errp)
+{
+    const size_t window_size = 128 * 1024 * 1024;
+    BDRVRawState *s = bs->opaque;
+    void *window = NULL;
+    size_t length = 0;
+    unsigned char *vec;
+    size_t page_size;
+    off_t offset;
+    off_t end;
+
+    /* mincore(2) page status information requires 1 byte per page */
+    page_size = sysconf(_SC_PAGESIZE);
+    vec = g_malloc(DIV_ROUND_UP(window_size, page_size));
+
+    end = raw_getlength(bs);
+
+    for (offset = 0; offset < end; offset += window_size) {
+        void *new_window;
+        size_t new_length;
+        size_t vec_end;
+        size_t i;
+        int ret;
+
+        /* Unmap previous window if size has changed */
+        new_length = MIN(end - offset, window_size);
+        if (new_length != length) {
+            munmap(window, length);
+            window = NULL;
+            length = 0;
+        }
+
+        new_window = mmap(window, new_length, PROT_NONE, MAP_PRIVATE,
+                          s->fd, offset);
+        if (new_window == MAP_FAILED) {
+            error_setg_errno(errp, errno, "mmap failed");
+            break;
+        }
+
+        window = new_window;
+        length = new_length;
+
+        ret = mincore(window, length, vec);
+        if (ret < 0) {
+            error_setg_errno(errp, errno, "mincore failed");
+            break;
+        }
+
+        vec_end = DIV_ROUND_UP(length, page_size);
+        for (i = 0; i < vec_end; i++) {
+            if (vec[i] & 0x1) {
+                error_setg(errp, "page cache still in use!");
+                break;
+            }
+        }
+    }
+
+    if (window) {
+        munmap(window, length);
+    }
+
+    g_free(vec);
+}
+#endif /* __linux__ */
+
+static void coroutine_fn raw_co_invalidate_cache(BlockDriverState *bs,
+                                                 Error **errp)
+{
+    BDRVRawState *s = bs->opaque;
+    int ret;
+
+    ret = fd_open(bs);
+    if (ret < 0) {
+        error_setg_errno(errp, -ret, "The file descriptor is not open");
+        return;
+    }
+
+    if (s->open_flags & O_DIRECT) {
+        return; /* No host kernel page cache */
+    }
+
+#if defined(__linux__)
+    /* This sets the scene for the next syscall... */
+    ret = bdrv_co_flush(bs);
+    if (ret < 0) {
+        error_setg_errno(errp, -ret, "flush failed");
+        return;
+    }
+
+    /* Linux does not invalidate pages that are dirty, locked, or mmapped by a
+     * process.  These limitations are okay because we just fsynced the file,
+     * we don't use mmap, and the file should not be in use by other processes.
+     */
+    ret = posix_fadvise(s->fd, 0, 0, POSIX_FADV_DONTNEED);
+    if (ret != 0) { /* the return value is a positive errno */
+        error_setg_errno(errp, ret, "fadvise failed");
+        return;
+    }
+
+    if (s->check_cache_dropped) {
+        check_cache_dropped(bs, errp);
+    }
+#else /* __linux__ */
+    /* Do nothing.  Live migration to a remote host with cache.direct=off is
+     * unsupported on other host operating systems.  Cache consistency issues
+     * may occur but no error is reported here, partly because that's the
+     * historical behavior and partly because it's hard to differentiate valid
+     * configurations that should not cause errors.
+     */
+#endif /* !__linux__ */
+}
+
 static coroutine_fn BlockAIOCB *raw_aio_pdiscard(BlockDriverState *bs,
     int64_t offset, int bytes,
     BlockCompletionFunc *cb, void *opaque)
@@ -2328,6 +2467,7 @@ BlockDriver bdrv_file = {
     .bdrv_co_create_opts = raw_co_create_opts,
     .bdrv_has_zero_init = bdrv_has_zero_init_1,
     .bdrv_co_block_status = raw_co_block_status,
+    .bdrv_co_invalidate_cache = raw_co_invalidate_cache,
     .bdrv_co_pwrite_zeroes = raw_co_pwrite_zeroes,
 
     .bdrv_co_preadv         = raw_co_preadv,
@@ -2805,6 +2945,7 @@ static BlockDriver bdrv_host_device = {
     .bdrv_reopen_abort   = raw_reopen_abort,
     .bdrv_co_create_opts = hdev_co_create_opts,
     .create_opts         = &raw_create_opts,
+    .bdrv_co_invalidate_cache = raw_co_invalidate_cache,
     .bdrv_co_pwrite_zeroes = hdev_co_pwrite_zeroes,
 
     .bdrv_co_preadv         = raw_co_preadv,
@@ -2927,6 +3068,7 @@ static BlockDriver bdrv_host_cdrom = {
     .bdrv_reopen_abort   = raw_reopen_abort,
     .bdrv_co_create_opts = hdev_co_create_opts,
     .create_opts         = &raw_create_opts,
+    .bdrv_co_invalidate_cache = raw_co_invalidate_cache,
 
 
     .bdrv_co_preadv         = raw_co_preadv,
diff --git a/blockjob.c b/blockjob.c
index 27f957e571..dfffad921a 100644
--- a/blockjob.c
+++ b/blockjob.c
@@ -988,19 +988,6 @@ void *block_job_create(const char *job_id, const BlockJobDriver *driver,
     return job;
 }
 
-void block_job_pause_all(void)
-{
-    BlockJob *job = NULL;
-    while ((job = block_job_next(job))) {
-        AioContext *aio_context = blk_get_aio_context(job->blk);
-
-        aio_context_acquire(aio_context);
-        block_job_ref(job);
-        block_job_pause(job);
-        aio_context_release(aio_context);
-    }
-}
-
 void block_job_early_fail(BlockJob *job)
 {
     assert(job->status == BLOCK_JOB_STATUS_CREATED);
@@ -1078,20 +1065,6 @@ void coroutine_fn block_job_pause_point(BlockJob *job)
     }
 }
 
-void block_job_resume_all(void)
-{
-    BlockJob *job, *next;
-
-    QLIST_FOREACH_SAFE(job, &block_jobs, job_list, next) {
-        AioContext *aio_context = blk_get_aio_context(job->blk);
-
-        aio_context_acquire(aio_context);
-        block_job_resume(job);
-        block_job_unref(job);
-        aio_context_release(aio_context);
-    }
-}
-
 /*
  * Conditionally enter a block_job pending a call to fn() while
  * under the block_job_lock critical section.
diff --git a/docs/qdev-device-use.txt b/docs/qdev-device-use.txt
index 8f188d1d0b..98229b3405 100644
--- a/docs/qdev-device-use.txt
+++ b/docs/qdev-device-use.txt
@@ -277,9 +277,6 @@ devices and ne2k_isa are.
 
 Some PCI devices aren't available with -net nic, e.g. i82558a.
 
-To connect to a VLAN instead of an ordinary host part, replace
-netdev=NET-ID by vlan=VLAN.
-
 === Graphics Devices ===
 
 Host and guest part of graphics devices have always been separate.
diff --git a/hw/core/qdev-properties-system.c b/hw/core/qdev-properties-system.c
index 1d3ba722fa..8b22fb51c9 100644
--- a/hw/core/qdev-properties-system.c
+++ b/hw/core/qdev-properties-system.c
@@ -321,86 +321,6 @@ const PropertyInfo qdev_prop_netdev = {
     .set   = set_netdev,
 };
 
-/* --- vlan --- */
-
-static int print_vlan(DeviceState *dev, Property *prop, char *dest, size_t len)
-{
-    NetClientState **ptr = qdev_get_prop_ptr(dev, prop);
-
-    if (*ptr) {
-        int id;
-        if (!net_hub_id_for_client(*ptr, &id)) {
-            return snprintf(dest, len, "%d", id);
-        }
-    }
-
-    return snprintf(dest, len, "<null>");
-}
-
-static void get_vlan(Object *obj, Visitor *v, const char *name, void *opaque,
-                     Error **errp)
-{
-    DeviceState *dev = DEVICE(obj);
-    Property *prop = opaque;
-    NetClientState **ptr = qdev_get_prop_ptr(dev, prop);
-    int32_t id = -1;
-
-    if (*ptr) {
-        int hub_id;
-        if (!net_hub_id_for_client(*ptr, &hub_id)) {
-            id = hub_id;
-        }
-    }
-
-    visit_type_int32(v, name, &id, errp);
-}
-
-static void set_vlan(Object *obj, Visitor *v, const char *name, void *opaque,
-                     Error **errp)
-{
-    DeviceState *dev = DEVICE(obj);
-    Property *prop = opaque;
-    NICPeers *peers_ptr = qdev_get_prop_ptr(dev, prop);
-    NetClientState **ptr = &peers_ptr->ncs[0];
-    Error *local_err = NULL;
-    int32_t id;
-    NetClientState *hubport;
-
-    if (dev->realized) {
-        qdev_prop_set_after_realize(dev, name, errp);
-        return;
-    }
-
-    visit_type_int32(v, name, &id, &local_err);
-    if (local_err) {
-        error_propagate(errp, local_err);
-        return;
-    }
-    if (id == -1) {
-        *ptr = NULL;
-        return;
-    }
-    if (*ptr) {
-        error_set_from_qdev_prop_error(errp, -EINVAL, dev, prop, name);
-        return;
-    }
-
-    hubport = net_hub_port_find(id);
-    if (!hubport) {
-        error_setg(errp, QERR_INVALID_PARAMETER_VALUE,
-                   name, prop->info->name);
-        return;
-    }
-    *ptr = hubport;
-}
-
-const PropertyInfo qdev_prop_vlan = {
-    .name  = "int32",
-    .description = "Integer VLAN id to connect to",
-    .print = print_vlan,
-    .get   = get_vlan,
-    .set   = set_vlan,
-};
 
 void qdev_prop_set_drive(DeviceState *dev, const char *name,
                          BlockBackend *value, Error **errp)
diff --git a/hw/s390x/ccw-device.c b/hw/s390x/ccw-device.c
index f9bfa154d6..7cd73df4aa 100644
--- a/hw/s390x/ccw-device.c
+++ b/hw/s390x/ccw-device.c
@@ -40,6 +40,13 @@ static Property ccw_device_properties[] = {
     DEFINE_PROP_END_OF_LIST(),
 };
 
+static void ccw_device_reset(DeviceState *d)
+{
+    CcwDevice *ccw_dev = CCW_DEVICE(d);
+
+    css_reset_sch(ccw_dev->sch);
+}
+
 static void ccw_device_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
@@ -48,6 +55,7 @@ static void ccw_device_class_init(ObjectClass *klass, void *data)
     k->realize = ccw_device_realize;
     k->refill_ids = ccw_device_refill_ids;
     dc->props = ccw_device_properties;
+    dc->reset = ccw_device_reset;
 }
 
 const VMStateDescription vmstate_ccw_dev = {
diff --git a/hw/s390x/css.c b/hw/s390x/css.c
index 301bf1772f..56c3fa8c89 100644
--- a/hw/s390x/css.c
+++ b/hw/s390x/css.c
@@ -617,6 +617,14 @@ void css_inject_io_interrupt(SubchDev *sch)
 void css_conditional_io_interrupt(SubchDev *sch)
 {
     /*
+     * If the subchannel is not enabled, it is not made status pending
+     * (see PoP p. 16-17, "Status Control").
+     */
+    if (!(sch->curr_status.pmcw.flags & PMCW_FLAGS_MASK_ENA)) {
+        return;
+    }
+
+    /*
      * If the subchannel is not currently status pending, make it pending
      * with alert status.
      */
diff --git a/hw/s390x/ipl.c b/hw/s390x/ipl.c
index 150f6c0582..04245b5258 100644
--- a/hw/s390x/ipl.c
+++ b/hw/s390x/ipl.c
@@ -26,6 +26,7 @@
 #include "qemu/config-file.h"
 #include "qemu/cutils.h"
 #include "qemu/option.h"
+#include "exec/exec-all.h"
 
 #define KERN_IMAGE_START                0x010000UL
 #define KERN_PARM_AREA                  0x010480UL
@@ -488,12 +489,20 @@ IplParameterBlock *s390_ipl_get_iplb(void)
     return &ipl->iplb;
 }
 
-void s390_reipl_request(void)
+void s390_ipl_reset_request(CPUState *cs, enum s390_reset reset_type)
 {
     S390IPLState *ipl = get_ipl_device();
 
-    ipl->reipl_requested = true;
-    if (ipl->iplb_valid &&
+    if (reset_type == S390_RESET_EXTERNAL || reset_type == S390_RESET_REIPL) {
+        /* use CPU 0 for full resets */
+        ipl->reset_cpu_index = 0;
+    } else {
+        ipl->reset_cpu_index = cs->cpu_index;
+    }
+    ipl->reset_type = reset_type;
+
+    if (reset_type == S390_RESET_REIPL &&
+        ipl->iplb_valid &&
         !ipl->netboot &&
         ipl->iplb.pbt == S390_IPL_TYPE_CCW &&
         is_virtio_scsi_device(&ipl->iplb)) {
@@ -510,6 +519,31 @@ void s390_reipl_request(void)
         }
     }
     qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET);
+    /* as this is triggered by a CPU, make sure to exit the loop */
+    if (tcg_enabled()) {
+        cpu_loop_exit(cs);
+    }
+}
+
+void s390_ipl_get_reset_request(CPUState **cs, enum s390_reset *reset_type)
+{
+    S390IPLState *ipl = get_ipl_device();
+
+    *cs = qemu_get_cpu(ipl->reset_cpu_index);
+    if (!*cs) {
+        /* use any CPU */
+        *cs = first_cpu;
+    }
+    *reset_type = ipl->reset_type;
+}
+
+void s390_ipl_clear_reset_request(void)
+{
+    S390IPLState *ipl = get_ipl_device();
+
+    ipl->reset_type = S390_RESET_EXTERNAL;
+    /* use CPU 0 for full resets */
+    ipl->reset_cpu_index = 0;
 }
 
 static void s390_ipl_prepare_qipl(S390CPU *cpu)
@@ -556,11 +590,10 @@ static void s390_ipl_reset(DeviceState *dev)
 {
     S390IPLState *ipl = S390_IPL(dev);
 
-    if (!ipl->reipl_requested) {
+    if (ipl->reset_type != S390_RESET_REIPL) {
         ipl->iplb_valid = false;
         memset(&ipl->iplb, 0, sizeof(IplParameterBlock));
     }
-    ipl->reipl_requested = false;
 }
 
 static void s390_ipl_class_init(ObjectClass *klass, void *data)
diff --git a/hw/s390x/ipl.h b/hw/s390x/ipl.h
index 0570d0ad75..4e87b89418 100644
--- a/hw/s390x/ipl.h
+++ b/hw/s390x/ipl.h
@@ -87,7 +87,17 @@ int s390_ipl_set_loadparm(uint8_t *loadparm);
 void s390_ipl_update_diag308(IplParameterBlock *iplb);
 void s390_ipl_prepare_cpu(S390CPU *cpu);
 IplParameterBlock *s390_ipl_get_iplb(void);
-void s390_reipl_request(void);
+
+enum s390_reset {
+    /* default is a reset not triggered by a CPU e.g. issued by QMP */
+    S390_RESET_EXTERNAL = 0,
+    S390_RESET_REIPL,
+    S390_RESET_MODIFIED_CLEAR,
+    S390_RESET_LOAD_NORMAL,
+};
+void s390_ipl_reset_request(CPUState *cs, enum s390_reset reset_type);
+void s390_ipl_get_reset_request(CPUState **cs, enum s390_reset *reset_type);
+void s390_ipl_clear_reset_request(void);
 
 #define QIPL_ADDRESS  0xcc
 
@@ -129,9 +139,11 @@ struct S390IPLState {
     bool enforce_bios;
     IplParameterBlock iplb;
     bool iplb_valid;
-    bool reipl_requested;
     bool netboot;
     QemuIplParameters qipl;
+    /* reset related properties don't have to be migrated or reset */
+    enum s390_reset reset_type;
+    int reset_cpu_index;
 
     /*< public >*/
     char *kernel;
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index 5796e24bd8..e548d341a0 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -93,7 +93,7 @@ static const char *const reset_dev_types[] = {
     "diag288",
 };
 
-void subsystem_reset(void)
+static void subsystem_reset(void)
 {
     DeviceState *dev;
     int i;
@@ -381,17 +381,54 @@ static void s390_cpu_plug(HotplugHandler *hotplug_dev,
     }
 }
 
+static inline void s390_do_cpu_ipl(CPUState *cs, run_on_cpu_data arg)
+{
+    S390CPU *cpu = S390_CPU(cs);
+
+    s390_ipl_prepare_cpu(cpu);
+    s390_cpu_set_state(S390_CPU_STATE_OPERATING, cpu);
+}
+
 static void s390_machine_reset(void)
 {
-    S390CPU *ipl_cpu = S390_CPU(qemu_get_cpu(0));
+    enum s390_reset reset_type;
+    CPUState *cs, *t;
 
+    /* get the reset parameters, reset them once done */
+    s390_ipl_get_reset_request(&cs, &reset_type);
+
+    /* all CPUs are paused and synchronized at this point */
     s390_cmma_reset();
-    qemu_devices_reset();
-    s390_crypto_reset();
 
-    /* all cpus are stopped - configure and start the ipl cpu only */
-    s390_ipl_prepare_cpu(ipl_cpu);
-    s390_cpu_set_state(S390_CPU_STATE_OPERATING, ipl_cpu);
+    switch (reset_type) {
+    case S390_RESET_EXTERNAL:
+    case S390_RESET_REIPL:
+        qemu_devices_reset();
+        s390_crypto_reset();
+
+        /* configure and start the ipl CPU only */
+        run_on_cpu(cs, s390_do_cpu_ipl, RUN_ON_CPU_NULL);
+        break;
+    case S390_RESET_MODIFIED_CLEAR:
+        CPU_FOREACH(t) {
+            run_on_cpu(t, s390_do_cpu_full_reset, RUN_ON_CPU_NULL);
+        }
+        subsystem_reset();
+        s390_crypto_reset();
+        run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL);
+        break;
+    case S390_RESET_LOAD_NORMAL:
+        CPU_FOREACH(t) {
+            run_on_cpu(t, s390_do_cpu_reset, RUN_ON_CPU_NULL);
+        }
+        subsystem_reset();
+        run_on_cpu(cs, s390_do_cpu_initial_reset, RUN_ON_CPU_NULL);
+        run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL);
+        break;
+    default:
+        g_assert_not_reached();
+    }
+    s390_ipl_clear_reset_request();
 }
 
 static void s390_machine_device_plug(HotplugHandler *hotplug_dev,
diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c
index e51fbefd23..22df33b509 100644
--- a/hw/s390x/virtio-ccw.c
+++ b/hw/s390x/virtio-ccw.c
@@ -1058,10 +1058,12 @@ static void virtio_ccw_reset(DeviceState *d)
 {
     VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d);
     VirtIODevice *vdev = virtio_bus_get_device(&dev->bus);
-    CcwDevice *ccw_dev = CCW_DEVICE(d);
+    VirtIOCCWDeviceClass *vdc = VIRTIO_CCW_DEVICE_GET_CLASS(dev);
 
     virtio_ccw_reset_virtio(dev, vdev);
-    css_reset_sch(ccw_dev->sch);
+    if (vdc->parent_reset) {
+        vdc->parent_reset(d);
+    }
 }
 
 static void virtio_ccw_vmstate_change(DeviceState *d, bool running)
@@ -1345,7 +1347,6 @@ static void virtio_ccw_net_class_init(ObjectClass *klass, void *data)
 
     k->realize = virtio_ccw_net_realize;
     k->unrealize = virtio_ccw_unrealize;
-    dc->reset = virtio_ccw_reset;
     dc->props = virtio_ccw_net_properties;
     set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
 }
@@ -1373,7 +1374,6 @@ static void virtio_ccw_blk_class_init(ObjectClass *klass, void *data)
 
     k->realize = virtio_ccw_blk_realize;
     k->unrealize = virtio_ccw_unrealize;
-    dc->reset = virtio_ccw_reset;
     dc->props = virtio_ccw_blk_properties;
     set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
 }
@@ -1401,7 +1401,6 @@ static void virtio_ccw_serial_class_init(ObjectClass *klass, void *data)
 
     k->realize = virtio_ccw_serial_realize;
     k->unrealize = virtio_ccw_unrealize;
-    dc->reset = virtio_ccw_reset;
     dc->props = virtio_ccw_serial_properties;
     set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
 }
@@ -1429,7 +1428,6 @@ static void virtio_ccw_balloon_class_init(ObjectClass *klass, void *data)
 
     k->realize = virtio_ccw_balloon_realize;
     k->unrealize = virtio_ccw_unrealize;
-    dc->reset = virtio_ccw_reset;
     dc->props = virtio_ccw_balloon_properties;
     set_bit(DEVICE_CATEGORY_MISC, dc->categories);
 }
@@ -1457,7 +1455,6 @@ static void virtio_ccw_scsi_class_init(ObjectClass *klass, void *data)
 
     k->realize = virtio_ccw_scsi_realize;
     k->unrealize = virtio_ccw_unrealize;
-    dc->reset = virtio_ccw_reset;
     dc->props = virtio_ccw_scsi_properties;
     set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
 }
@@ -1484,7 +1481,6 @@ static void vhost_ccw_scsi_class_init(ObjectClass *klass, void *data)
 
     k->realize = vhost_ccw_scsi_realize;
     k->unrealize = virtio_ccw_unrealize;
-    dc->reset = virtio_ccw_reset;
     dc->props = vhost_ccw_scsi_properties;
     set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
 }
@@ -1521,7 +1517,6 @@ static void virtio_ccw_rng_class_init(ObjectClass *klass, void *data)
 
     k->realize = virtio_ccw_rng_realize;
     k->unrealize = virtio_ccw_unrealize;
-    dc->reset = virtio_ccw_reset;
     dc->props = virtio_ccw_rng_properties;
     set_bit(DEVICE_CATEGORY_MISC, dc->categories);
 }
@@ -1559,7 +1554,6 @@ static void virtio_ccw_crypto_class_init(ObjectClass *klass, void *data)
 
     k->realize = virtio_ccw_crypto_realize;
     k->unrealize = virtio_ccw_unrealize;
-    dc->reset = virtio_ccw_reset;
     dc->props = virtio_ccw_crypto_properties;
     set_bit(DEVICE_CATEGORY_MISC, dc->categories);
 }
@@ -1597,7 +1591,6 @@ static void virtio_ccw_gpu_class_init(ObjectClass *klass, void *data)
 
     k->realize = virtio_ccw_gpu_realize;
     k->unrealize = virtio_ccw_unrealize;
-    dc->reset = virtio_ccw_reset;
     dc->props = virtio_ccw_gpu_properties;
     dc->hotpluggable = false;
     set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
@@ -1626,7 +1619,6 @@ static void virtio_ccw_input_class_init(ObjectClass *klass, void *data)
 
     k->realize = virtio_ccw_input_realize;
     k->unrealize = virtio_ccw_unrealize;
-    dc->reset = virtio_ccw_reset;
     dc->props = virtio_ccw_input_properties;
     set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
 }
@@ -1725,11 +1717,13 @@ static void virtio_ccw_device_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     CCWDeviceClass *k = CCW_DEVICE_CLASS(dc);
+    VirtIOCCWDeviceClass *vdc = VIRTIO_CCW_DEVICE_CLASS(klass);
 
     k->unplug = virtio_ccw_busdev_unplug;
     dc->realize = virtio_ccw_busdev_realize;
     dc->unrealize = virtio_ccw_busdev_unrealize;
     dc->bus_type = TYPE_VIRTUAL_CSS_BUS;
+    device_class_set_parent_reset(dc, virtio_ccw_reset, &vdc->parent_reset);
 }
 
 static const TypeInfo virtio_ccw_device_info = {
@@ -1806,7 +1800,6 @@ static void virtio_ccw_9p_class_init(ObjectClass *klass, void *data)
 
     k->unrealize = virtio_ccw_unrealize;
     k->realize = virtio_ccw_9p_realize;
-    dc->reset = virtio_ccw_reset;
     dc->props = virtio_ccw_9p_properties;
     set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
 }
@@ -1856,7 +1849,6 @@ static void vhost_vsock_ccw_class_init(ObjectClass *klass, void *data)
     k->unrealize = virtio_ccw_unrealize;
     set_bit(DEVICE_CATEGORY_MISC, dc->categories);
     dc->props = vhost_vsock_ccw_properties;
-    dc->reset = virtio_ccw_reset;
 }
 
 static void vhost_vsock_ccw_instance_init(Object *obj)
diff --git a/hw/s390x/virtio-ccw.h b/hw/s390x/virtio-ccw.h
index 2fc513001e..3453aa1f98 100644
--- a/hw/s390x/virtio-ccw.h
+++ b/hw/s390x/virtio-ccw.h
@@ -77,6 +77,7 @@ typedef struct VirtIOCCWDeviceClass {
     CCWDeviceClass parent_class;
     void (*realize)(VirtioCcwDevice *dev, Error **errp);
     void (*unrealize)(VirtioCcwDevice *dev, Error **errp);
+    void (*parent_reset)(DeviceState *dev);
 } VirtIOCCWDeviceClass;
 
 /* Performance improves when virtqueue kick processing is decoupled from the
diff --git a/include/block/blockjob_int.h b/include/block/blockjob_int.h
index 642adce68b..d5a515de9b 100644
--- a/include/block/blockjob_int.h
+++ b/include/block/blockjob_int.h
@@ -169,20 +169,6 @@ void block_job_sleep_ns(BlockJob *job, int64_t ns);
 void block_job_yield(BlockJob *job);
 
 /**
- * block_job_pause_all:
- *
- * Asynchronously pause all jobs.
- */
-void block_job_pause_all(void);
-
-/**
- * block_job_resume_all:
- *
- * Resume all block jobs.  Must be paired with a preceding block_job_pause_all.
- */
-void block_job_resume_all(void);
-
-/**
  * block_job_early_fail:
  * @bs: The block device.
  *
diff --git a/include/exec/user/thunk.h b/include/exec/user/thunk.h
index f19ef4b230..8f55b233b3 100644
--- a/include/exec/user/thunk.h
+++ b/include/exec/user/thunk.h
@@ -149,20 +149,32 @@ static inline int thunk_type_align(const argtype *type_ptr, int is_host)
     case TYPE_CHAR:
         return 1;
     case TYPE_SHORT:
-        return 2;
+        if (is_host) {
+            return __alignof__(short);
+        } else {
+            return ABI_SHORT_ALIGNMENT;
+        }
     case TYPE_INT:
-        return 4;
+        if (is_host) {
+            return __alignof__(int);
+        } else {
+            return ABI_INT_ALIGNMENT;
+        }
     case TYPE_LONGLONG:
     case TYPE_ULONGLONG:
-        return 8;
+        if (is_host) {
+            return __alignof__(long long);
+        } else {
+            return ABI_LLONG_ALIGNMENT;
+        }
     case TYPE_LONG:
     case TYPE_ULONG:
     case TYPE_PTRVOID:
     case TYPE_PTR:
         if (is_host) {
-            return sizeof(void *);
+            return __alignof__(long);
         } else {
-            return TARGET_ABI_BITS / 8;
+            return ABI_LONG_ALIGNMENT;
         }
         break;
     case TYPE_OLDDEVT:
diff --git a/include/hw/qdev-properties.h b/include/hw/qdev-properties.h
index b2ad8e9faa..4f60cc88f3 100644
--- a/include/hw/qdev-properties.h
+++ b/include/hw/qdev-properties.h
@@ -29,7 +29,6 @@ extern const PropertyInfo qdev_prop_bios_chs_trans;
 extern const PropertyInfo qdev_prop_fdc_drive_type;
 extern const PropertyInfo qdev_prop_drive;
 extern const PropertyInfo qdev_prop_netdev;
-extern const PropertyInfo qdev_prop_vlan;
 extern const PropertyInfo qdev_prop_pci_devfn;
 extern const PropertyInfo qdev_prop_blocksize;
 extern const PropertyInfo qdev_prop_pci_host_devaddr;
@@ -195,8 +194,6 @@ extern const PropertyInfo qdev_prop_off_auto_pcibar;
     DEFINE_PROP(_n, _s, _f, qdev_prop_string, char*)
 #define DEFINE_PROP_NETDEV(_n, _s, _f)             \
     DEFINE_PROP(_n, _s, _f, qdev_prop_netdev, NICPeers)
-#define DEFINE_PROP_VLAN(_n, _s, _f)             \
-    DEFINE_PROP(_n, _s, _f, qdev_prop_vlan, NICPeers)
 #define DEFINE_PROP_DRIVE(_n, _s, _f) \
     DEFINE_PROP(_n, _s, _f, qdev_prop_drive, BlockBackend *)
 #define DEFINE_PROP_MACADDR(_n, _s, _f)         \
diff --git a/include/hw/s390x/s390-virtio-ccw.h b/include/hw/s390x/s390-virtio-ccw.h
index ac896e31ea..ab88d49d10 100644
--- a/include/hw/s390x/s390-virtio-ccw.h
+++ b/include/hw/s390x/s390-virtio-ccw.h
@@ -53,6 +53,4 @@ bool cpu_model_allowed(void);
  */
 bool css_migration_enabled(void);
 
-void subsystem_reset(void);
-
 #endif
diff --git a/include/net/net.h b/include/net/net.h
index 1f7341e459..1425960f76 100644
--- a/include/net/net.h
+++ b/include/net/net.h
@@ -37,7 +37,6 @@ typedef struct NICConf {
 
 #define DEFINE_NIC_PROPERTIES(_state, _conf)                            \
     DEFINE_PROP_MACADDR("mac",   _state, _conf.macaddr),                \
-    DEFINE_PROP_VLAN("vlan",     _state, _conf.peers),                   \
     DEFINE_PROP_NETDEV("netdev", _state, _conf.peers)
 
 
diff --git a/linux-user/sparc/syscall_nr.h b/linux-user/sparc/syscall_nr.h
index e713c9d5f4..2d77e19bec 100644
--- a/linux-user/sparc/syscall_nr.h
+++ b/linux-user/sparc/syscall_nr.h
@@ -22,6 +22,7 @@
 #define TARGET_NR_capset		 22 /* Linux Specific				   */
 #define TARGET_NR_setuid              23 /* Implemented via setreuid in SunOS           */
 #define TARGET_NR_getuid              24 /* Common                                      */
+#define TARGET_NR_vmsplice            25
 #define TARGET_NR_ptrace              26 /* Common                                      */
 #define TARGET_NR_alarm               27 /* Implemented via setitimer in SunOS          */
 #define TARGET_NR_sigaltstack	 28 /* Common					   */
@@ -135,6 +136,7 @@
 #define TARGET_NR_rmdir              137 /* Common                                      */
 #define TARGET_NR_utimes             138 /* SunOS Specific                              */
 #define TARGET_NR_stat64		139 /* Linux sparc32 Specific			   */
+#define TARGET_NR_sendfile64         140
 #define TARGET_NR_getpeername        141 /* Common                                      */
 #define TARGET_NR_futex              142 /* gethostid under SunOS                       */
 #define TARGET_NR_gettid             143 /* ENOSYS under SunOS                          */
@@ -145,29 +147,51 @@
 #define TARGET_NR_pciconfig_read	148 /* ENOSYS under SunOS                          */
 #define TARGET_NR_pciconfig_write	149 /* ENOSYS under SunOS                          */
 #define TARGET_NR_getsockname        150 /* Common                                      */
+#define TARGET_NR_inotify_init       151
+#define TARGET_NR_inotify_add_watch  152
 #define TARGET_NR_poll               153 /* Common                                      */
 #define TARGET_NR_getdents64		154 /* Linux specific				   */
 #define TARGET_NR_fcntl64		155 /* Linux sparc32 Specific                      */
+#define TARGET_NR_inotify_rm_watch   156
 #define TARGET_NR_statfs             157 /* Common                                      */
 #define TARGET_NR_fstatfs            158 /* Common                                      */
 #define TARGET_NR_umount             159 /* Common                                      */
+#define TARGET_NR_sched_set_affinity 160
+#define TARGET_NR_sched_get_affinity 161
 #define TARGET_NR_getdomainname      162 /* SunOS Specific                              */
 #define TARGET_NR_setdomainname      163 /* Common                                      */
 #define TARGET_NR_quotactl           165 /* Common                                      */
 #define TARGET_NR_set_tid_address    166 /* Linux specific, exportfs under SunOS        */
 #define TARGET_NR_mount              167 /* Common                                      */
 #define TARGET_NR_ustat              168 /* Common                                      */
+#define TARGET_NR_setxattr           169
+#define TARGET_NR_lsetxattr          170
+#define TARGET_NR_fsetxattr          171
+#define TARGET_NR_getxattr           172
+#define TARGET_NR_lgetxattr          173
 #define TARGET_NR_getdents           174 /* Common                                      */
 #define TARGET_NR_setsid             175 /* Common                                      */
 #define TARGET_NR_fchdir             176 /* Common                                      */
+#define TARGET_NR_fgetxattr          177
+#define TARGET_NR_listxattr          178
+#define TARGET_NR_llistxattr         179
+#define TARGET_NR_flistxattr         180
+#define TARGET_NR_removexattr        181
+#define TARGET_NR_lremovexattr       182
 #define TARGET_NR_sigpending         183 /* Common                                      */
 #define TARGET_NR_query_module	184 /* Linux Specific				   */
 #define TARGET_NR_setpgid            185 /* Common                                      */
+#define TARGET_NR_fremovexattr       186
 #define TARGET_NR_tkill              187 /* SunOS: fpathconf                            */
 #define TARGET_NR_exit_group	     188 /* Linux specific, sysconf undef SunOS         */
 #define TARGET_NR_uname              189 /* Linux Specific                              */
 #define TARGET_NR_init_module        190 /* Linux Specific                              */
 #define TARGET_NR_personality        191 /* Linux Specific                              */
+#define TARGET_NR_remap_file_pages   192
+#define TARGET_NR_epoll_create       193
+#define TARGET_NR_epoll_ctl          194
+#define TARGET_NR_epoll_wait         195
+#define TARGET_NR_ioprio_set         196
 #define TARGET_NR_getppid            197 /* Linux Specific                              */
 #define TARGET_NR_sigaction          198 /* Linux Specific                              */
 #define TARGET_NR_sgetmask           199 /* Linux Specific                              */
@@ -189,6 +213,7 @@
 #define TARGET_NR_ipc                215 /* Linux Specific                              */
 #define TARGET_NR_sigreturn          216 /* Linux Specific                              */
 #define TARGET_NR_clone              217 /* Linux Specific                              */
+#define TARGET_NR_ioprio_get         218
 #define TARGET_NR_adjtimex           219 /* Linux Specific                              */
 #define TARGET_NR_sigprocmask        220 /* Linux Specific                              */
 #define TARGET_NR_create_module      221 /* Linux Specific                              */
@@ -202,6 +227,7 @@
 #define TARGET_NR_setfsgid           229 /* Linux Specific                              */
 #define TARGET_NR__newselect         230 /* Linux Specific                              */
 #define TARGET_NR_time               231 /* Linux Specific                              */
+#define TARGET_NR_splice             232
 #define TARGET_NR_stime              233 /* Linux Specific                              */
 #define TARGET_NR_statfs64           234 /* Linux Specific                              */
 #define TARGET_NR_fstatfs64          235 /* Linux Specific                              */
@@ -224,7 +250,7 @@
 #define TARGET_NR_getsid             252
 #define TARGET_NR_fdatasync          253
 #define TARGET_NR_nfsservctl         254
-#define TARGET_NR_aplib              255
+#define TARGET_NR_sync_file_range    255
 #define TARGET_NR_clock_settime	256
 #define TARGET_NR_clock_gettime	257
 #define TARGET_NR_clock_getres	258
@@ -326,3 +352,7 @@
 #define TARGET_NR_listen                354
 #define TARGET_NR_setsockopt            355
 #define TARGET_NR_mlock2                356
+#define TARGET_NR_copy_file_range       357
+#define TARGET_NR_preadv2               358
+#define TARGET_NR_pwritev2              359
+#define TARGET_NR_statx                 360
diff --git a/linux-user/sparc/target_errno.h b/linux-user/sparc/target_errno.h
new file mode 100644
index 0000000000..9b846899cd
--- /dev/null
+++ b/linux-user/sparc/target_errno.h
@@ -0,0 +1,207 @@
+#ifndef SPARC_TARGET_ERRNO_H
+#define SPARC_TARGET_ERRNO_H
+
+/* Target errno definitions taken from asm-sparc/errno.h */
+#undef TARGET_EWOULDBLOCK
+#define TARGET_EWOULDBLOCK     TARGET_EAGAIN /* Operation would block */
+#undef TARGET_EINPROGRESS
+#define TARGET_EINPROGRESS     36 /* Operation now in progress */
+#undef TARGET_EALREADY
+#define TARGET_EALREADY        37 /* Operation already in progress */
+#undef TARGET_ENOTSOCK
+#define TARGET_ENOTSOCK        38 /* Socket operation on non-socket */
+#undef TARGET_EDESTADDRREQ
+#define TARGET_EDESTADDRREQ    39 /* Destination address required */
+#undef TARGET_EMSGSIZE
+#define TARGET_EMSGSIZE        40 /* Message too long */
+#undef TARGET_EPROTOTYPE
+#define TARGET_EPROTOTYPE      41 /* Protocol wrong type for socket */
+#undef TARGET_ENOPROTOOPT
+#define TARGET_ENOPROTOOPT     42 /* Protocol not available */
+#undef TARGET_EPROTONOSUPPORT
+#define TARGET_EPROTONOSUPPORT  43 /* Protocol not supported */
+#undef TARGET_ESOCKTNOSUPPORT
+#define TARGET_ESOCKTNOSUPPORT  44 /* Socket type not supported */
+#undef TARGET_EOPNOTSUPP
+#define TARGET_EOPNOTSUPP      45 /* Op not supported on transport endpoint */
+#undef TARGET_EPFNOSUPPORT
+#define TARGET_EPFNOSUPPORT    46 /* Protocol family not supported */
+#undef TARGET_EAFNOSUPPORT
+#define TARGET_EAFNOSUPPORT    47 /* Address family not supported by protocol */
+#undef TARGET_EADDRINUSE
+#define TARGET_EADDRINUSE      48 /* Address already in use */
+#undef TARGET_EADDRNOTAVAIL
+#define TARGET_EADDRNOTAVAIL   49 /* Cannot assign requested address */
+#undef TARGET_ENETDOWN
+#define TARGET_ENETDOWN        50 /* Network is down */
+#undef TARGET_ENETUNREACH
+#define TARGET_ENETUNREACH     51 /* Network is unreachable */
+#undef TARGET_ENETRESET
+#define TARGET_ENETRESET       52 /* Net dropped connection because of reset */
+#undef TARGET_ECONNABORTED
+#define TARGET_ECONNABORTED    53 /* Software caused connection abort */
+#undef TARGET_ECONNRESET
+#define TARGET_ECONNRESET      54 /* Connection reset by peer */
+#undef TARGET_ENOBUFS
+#define TARGET_ENOBUFS         55 /* No buffer space available */
+#undef TARGET_EISCONN
+#define TARGET_EISCONN         56 /* Transport endpoint is already connected */
+#undef TARGET_ENOTCONN
+#define TARGET_ENOTCONN        57 /* Transport endpoint is not connected */
+#undef TARGET_ESHUTDOWN
+#define TARGET_ESHUTDOWN       58 /* No send after transport endpoint shutdown*/
+#undef TARGET_ETOOMANYREFS
+#define TARGET_ETOOMANYREFS    59 /* Too many references: cannot splice */
+#undef TARGET_ETIMEDOUT
+#define TARGET_ETIMEDOUT       60 /* Connection timed out */
+#undef TARGET_ECONNREFUSED
+#define TARGET_ECONNREFUSED    61 /* Connection refused */
+#undef TARGET_ELOOP
+#define TARGET_ELOOP           62 /* Too many symbolic links encountered */
+#undef TARGET_ENAMETOOLONG
+#define TARGET_ENAMETOOLONG    63 /* File name too long */
+#undef TARGET_EHOSTDOWN
+#define TARGET_EHOSTDOWN       64 /* Host is down */
+#undef TARGET_EHOSTUNREACH
+#define TARGET_EHOSTUNREACH    65 /* No route to host */
+#undef TARGET_ENOTEMPTY
+#define TARGET_ENOTEMPTY       66 /* Directory not empty */
+#undef TARGET_EPROCLIM
+#define TARGET_EPROCLIM        67 /* SUNOS: Too many processes */
+#undef TARGET_EUSERS
+#define TARGET_EUSERS          68 /* Too many users */
+#undef TARGET_EDQUOT
+#define TARGET_EDQUOT          69 /* Quota exceeded */
+#undef TARGET_ESTALE
+#define TARGET_ESTALE          70 /* Stale file handle */
+#undef TARGET_EREMOTE
+#define TARGET_EREMOTE         71 /* Object is remote */
+#undef TARGET_ENOSTR
+#define TARGET_ENOSTR          72 /* Device not a stream */
+#undef TARGET_ETIME
+#define TARGET_ETIME           73 /* Timer expired */
+#undef TARGET_ENOSR
+#define TARGET_ENOSR           74 /* Out of streams resources */
+#undef TARGET_ENOMSG
+#define TARGET_ENOMSG          75 /* No message of desired type */
+#undef TARGET_EBADMSG
+#define TARGET_EBADMSG         76 /* Not a data message */
+#undef TARGET_EIDRM
+#define TARGET_EIDRM           77 /* Identifier removed */
+#undef TARGET_EDEADLK
+#define TARGET_EDEADLK         78 /* Resource deadlock would occur */
+#undef TARGET_ENOLCK
+#define TARGET_ENOLCK          79 /* No record locks available */
+#undef TARGET_ENONET
+#define TARGET_ENONET          80 /* Machine is not on the network */
+#undef TARGET_ERREMOTE
+#define TARGET_ERREMOTE        81 /* SunOS: Too many lvls of remote in path */
+#undef TARGET_ENOLINK
+#define TARGET_ENOLINK         82 /* Link has been severed */
+#undef TARGET_EADV
+#define TARGET_EADV            83 /* Advertise error */
+#undef TARGET_ESRMNT
+#define TARGET_ESRMNT          84 /* Srmount error */
+#undef TARGET_ECOMM
+#define TARGET_ECOMM           85 /* Communication error on send */
+#undef TARGET_EPROTO
+#define TARGET_EPROTO          86 /* Protocol error */
+#undef TARGET_EMULTIHOP
+#define TARGET_EMULTIHOP       87 /* Multihop attempted */
+#undef TARGET_EDOTDOT
+#define TARGET_EDOTDOT         88 /* RFS specific error */
+#undef TARGET_EREMCHG
+#define TARGET_EREMCHG         89 /* Remote address changed */
+#undef TARGET_ENOSYS
+#define TARGET_ENOSYS          90 /* Function not implemented */
+#undef TARGET_ESTRPIPE
+#define TARGET_ESTRPIPE        91 /* Streams pipe error */
+#undef TARGET_EOVERFLOW
+#define TARGET_EOVERFLOW       92 /* Value too large for defined data type */
+#undef TARGET_EBADFD
+#define TARGET_EBADFD          93 /* File descriptor in bad state */
+#undef TARGET_ECHRNG
+#define TARGET_ECHRNG          94 /* Channel number out of range */
+#undef TARGET_EL2NSYNC
+#define TARGET_EL2NSYNC        95 /* Level 2 not synchronized */
+#undef TARGET_EL3HLT
+#define TARGET_EL3HLT          96 /* Level 3 halted */
+#undef TARGET_EL3RST
+#define TARGET_EL3RST          97 /* Level 3 reset */
+#undef TARGET_ELNRNG
+#define TARGET_ELNRNG          98 /* Link number out of range */
+#undef TARGET_EUNATCH
+#define TARGET_EUNATCH         99 /* Protocol driver not attached */
+#undef TARGET_ENOCSI
+#define TARGET_ENOCSI          100 /* No CSI structure available */
+#undef TARGET_EL2HLT
+#define TARGET_EL2HLT          101 /* Level 2 halted */
+#undef TARGET_EBADE
+#define TARGET_EBADE           102 /* Invalid exchange */
+#undef TARGET_EBADR
+#define TARGET_EBADR           103 /* Invalid request descriptor */
+#undef TARGET_EXFULL
+#define TARGET_EXFULL          104 /* Exchange full */
+#undef TARGET_ENOANO
+#define TARGET_ENOANO          105 /* No anode */
+#undef TARGET_EBADRQC
+#define TARGET_EBADRQC         106 /* Invalid request code */
+#undef TARGET_EBADSLT
+#define TARGET_EBADSLT         107 /* Invalid slot */
+#undef TARGET_EDEADLOCK
+#define TARGET_EDEADLOCK       108 /* File locking deadlock error */
+#undef TARGET_EBFONT
+#define TARGET_EBFONT          109 /* Bad font file format */
+#undef TARGET_ELIBEXEC
+#define TARGET_ELIBEXEC        110 /* Cannot exec a shared library directly */
+#undef TARGET_ENODATA
+#define TARGET_ENODATA         111 /* No data available */
+#undef TARGET_ELIBBAD
+#define TARGET_ELIBBAD         112 /* Accessing a corrupted shared library */
+#undef TARGET_ENOPKG
+#define TARGET_ENOPKG          113 /* Package not installed */
+#undef TARGET_ELIBACC
+#define TARGET_ELIBACC         114 /* Can not access a needed shared library */
+#undef TARGET_ENOTUNIQ
+#define TARGET_ENOTUNIQ        115 /* Name not unique on network */
+#undef TARGET_ERESTART
+#define TARGET_ERESTART        116 /* Interrupted syscall should be restarted */
+#undef TARGET_EUCLEAN
+#define TARGET_EUCLEAN         117 /* Structure needs cleaning */
+#undef TARGET_ENOTNAM
+#define TARGET_ENOTNAM         118 /* Not a XENIX named type file */
+#undef TARGET_ENAVAIL
+#define TARGET_ENAVAIL         119 /* No XENIX semaphores available */
+#undef TARGET_EISNAM
+#define TARGET_EISNAM          120 /* Is a named type file */
+#undef TARGET_EREMOTEIO
+#define TARGET_EREMOTEIO       121 /* Remote I/O error */
+#undef TARGET_EILSEQ
+#define TARGET_EILSEQ          122 /* Illegal byte sequence */
+#undef TARGET_ELIBMAX
+#define TARGET_ELIBMAX         123 /* Atmpt to link in too many shared libs */
+#undef TARGET_ELIBSCN
+#define TARGET_ELIBSCN         124 /* .lib section in a.out corrupted */
+#undef TARGET_ENOMEDIUM
+#define TARGET_ENOMEDIUM       125 /* No medium found */
+#undef TARGET_EMEDIUMTYPE
+#define TARGET_EMEDIUMTYPE     126 /* Wrong medium type */
+#undef TARGET_ECANCELED
+#define TARGET_ECANCELED       127 /* Operation Cancelled */
+#undef TARGET_ENOKEY
+#define TARGET_ENOKEY          128 /* Required key not available */
+#undef TARGET_EKEYEXPIRED
+#define TARGET_EKEYEXPIRED     129 /* Key has expired */
+#undef TARGET_EKEYREVOKED
+#define TARGET_EKEYREVOKED     130 /* Key has been revoked */
+#undef TARGET_EKEYREJECTED
+#define TARGET_EKEYREJECTED    131 /* Key was rejected by service */
+#undef TARGET_EOWNERDEAD
+#define TARGET_EOWNERDEAD      132 /* Owner died */
+#undef TARGET_ENOTRECOVERABLE
+#define TARGET_ENOTRECOVERABLE  133 /* State not recoverable */
+#undef TARGET_ERFKILL
+#define TARGET_ERFKILL         134 /* Operation not possible due to RF-kill */
+#undef TARGET_EHWPOISON
+#define TARGET_EHWPOISON       135 /* Memory page has hardware error */
+#endif
diff --git a/linux-user/sparc/target_syscall.h b/linux-user/sparc/target_syscall.h
index 5f09abfe89..b9160a771b 100644
--- a/linux-user/sparc/target_syscall.h
+++ b/linux-user/sparc/target_syscall.h
@@ -1,6 +1,8 @@
 #ifndef SPARC_TARGET_SYSCALL_H
 #define SPARC_TARGET_SYSCALL_H
 
+#include "target_errno.h"
+
 struct target_pt_regs {
 	abi_ulong psr;
 	abi_ulong pc;
@@ -9,7 +11,7 @@ struct target_pt_regs {
 	abi_ulong u_regs[16];
 };
 
-#define UNAME_MACHINE "sun4"
+#define UNAME_MACHINE "sparc"
 #define UNAME_MINIMUM_RELEASE "2.6.32"
 
 /* SPARC kernels don't define this in their Kconfig, but they have the
diff --git a/linux-user/sparc64/syscall_nr.h b/linux-user/sparc64/syscall_nr.h
index 2b49ead267..9391645598 100644
--- a/linux-user/sparc64/syscall_nr.h
+++ b/linux-user/sparc64/syscall_nr.h
@@ -23,7 +23,7 @@
 #define TARGET_NR_capset		 22 /* Linux Specific				   */
 #define TARGET_NR_setuid              23 /* Implemented via setreuid in SunOS           */
 #define TARGET_NR_getuid              24 /* Common                                      */
-/* #define TARGET_NR_time alias	 25    ENOSYS under SunOS			   */
+#define TARGET_NR_vmsplice            25
 #define TARGET_NR_ptrace              26 /* Common                                      */
 #define TARGET_NR_alarm               27 /* Implemented via setitimer in SunOS          */
 #define TARGET_NR_sigaltstack	 28 /* Common					   */
@@ -149,8 +149,8 @@
 #define TARGET_NR_pciconfig_read	148 /* ENOSYS under SunOS                          */
 #define TARGET_NR_pciconfig_write	149 /* ENOSYS under SunOS                          */
 #define TARGET_NR_getsockname        150 /* Common                                      */
-/* #define TARGET_NR_getmsg          151    SunOS Specific                              */
-/* #define TARGET_NR_putmsg          152    SunOS Specific                              */
+#define TARGET_NR_inotify_init       151
+#define TARGET_NR_inotify_add_watch  152
 #define TARGET_NR_poll               153 /* Common                                      */
 #define TARGET_NR_getdents64		154 /* Linux specific				   */
 #define TARGET_NR_fcntl64            155 /* Linux sparc32 Specific                      */
@@ -194,7 +194,7 @@
 #define TARGET_NR_epoll_create       193 /* Linux Specific                              */
 #define TARGET_NR_epoll_ctl          194 /* Linux Specific                              */
 #define TARGET_NR_epoll_wait         195 /* Linux Specific                              */
-/* #define TARGET_NR_ulimit          196    Linux Specific                              */
+#define TARGET_NR_ioprio_set         196
 #define TARGET_NR_getppid            197 /* Linux Specific                              */
 #define TARGET_NR_sigaction          198 /* Linux Specific                              */
 #define TARGET_NR_sgetmask           199 /* Linux Specific                              */
@@ -216,7 +216,7 @@
 #define TARGET_NR_ipc                215 /* Linux Specific                              */
 #define TARGET_NR_sigreturn          216 /* Linux Specific                              */
 #define TARGET_NR_clone              217 /* Linux Specific                              */
-/* #define TARGET_NR_modify_ldt      218    Linux Specific - i386 specific, unused      */
+#define TARGET_NR_ioprio_get         218
 #define TARGET_NR_adjtimex           219 /* Linux Specific                              */
 #define TARGET_NR_sigprocmask        220 /* Linux Specific                              */
 #define TARGET_NR_create_module      221 /* Linux Specific                              */
@@ -230,7 +230,7 @@
 #define TARGET_NR_setfsgid           229 /* Linux Specific                              */
 #define TARGET_NR__newselect         230 /* Linux Specific                              */
 #define TARGET_NR_time               231 /* Linux sparc32                               */
-/* #define TARGET_NR_oldstat         232    Linux Specific                              */
+#define TARGET_NR_splice             232
 #define TARGET_NR_stime              233 /* Linux Specific                              */
 #define TARGET_NR_statfs64           234 /* Linux Specific                              */
 #define TARGET_NR_fstatfs64          235 /* Linux Specific                              */
@@ -253,7 +253,7 @@
 #define TARGET_NR_getsid             252
 #define TARGET_NR_fdatasync          253
 #define TARGET_NR_nfsservctl         254
-#define TARGET_NR_aplib              255
+#define TARGET_NR_sync_file_range    255
 #define TARGET_NR_clock_settime	256
 #define TARGET_NR_clock_gettime	257
 #define TARGET_NR_clock_getres	258
@@ -310,7 +310,7 @@
 #define TARGET_NR_epoll_pwait	309
 #define TARGET_NR_utimensat		310
 #define TARGET_NR_signalfd		311
-#define TARGET_NR_timerfd		312
+#define TARGET_NR_timerfd_create        312
 #define TARGET_NR_eventfd		313
 #define TARGET_NR_fallocate		314
 #define TARGET_NR_timerfd_settime	315
@@ -355,3 +355,7 @@
 #define TARGET_NR_listen                354
 #define TARGET_NR_setsockopt            355
 #define TARGET_NR_mlock2                356
+#define TARGET_NR_copy_file_range       357
+#define TARGET_NR_preadv2               358
+#define TARGET_NR_pwritev2              359
+#define TARGET_NR_statx                 360
diff --git a/linux-user/sparc64/target_syscall.h b/linux-user/sparc64/target_syscall.h
index 2cbbaaed1b..3073a23e03 100644
--- a/linux-user/sparc64/target_syscall.h
+++ b/linux-user/sparc64/target_syscall.h
@@ -1,6 +1,8 @@
 #ifndef SPARC64_TARGET_SYSCALL_H
 #define SPARC64_TARGET_SYSCALL_H
 
+#include "../sparc/target_errno.h"
+
 struct target_pt_regs {
 	abi_ulong u_regs[16];
 	abi_ulong tstate;
@@ -10,7 +12,7 @@ struct target_pt_regs {
 	abi_ulong fprs;
 };
 
-#define UNAME_MACHINE "sun4u"
+#define UNAME_MACHINE "sparc64"
 #define UNAME_MINIMUM_RELEASE "2.6.32"
 
 /* SPARC kernels don't define this in their Kconfig, but they have the
@@ -29,5 +31,4 @@ static inline abi_ulong target_shmlba(CPUSPARCState *env)
 {
     return MAX(TARGET_PAGE_SIZE, 16 * 1024);
 }
-
 #endif /* SPARC64_TARGET_SYSCALL_H */
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index e4825747f9..af8603f1b7 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -6546,28 +6546,50 @@ static int target_to_host_fcntl_cmd(int cmd)
     return -TARGET_EINVAL;
 }
 
-#define TRANSTBL_CONVERT(a) { -1, TARGET_##a, -1, a }
-static const bitmask_transtbl flock_tbl[] = {
-    TRANSTBL_CONVERT(F_RDLCK),
-    TRANSTBL_CONVERT(F_WRLCK),
-    TRANSTBL_CONVERT(F_UNLCK),
-    TRANSTBL_CONVERT(F_EXLCK),
-    TRANSTBL_CONVERT(F_SHLCK),
-    { 0, 0, 0, 0 }
-};
+#define FLOCK_TRANSTBL \
+    switch (type) { \
+    TRANSTBL_CONVERT(F_RDLCK); \
+    TRANSTBL_CONVERT(F_WRLCK); \
+    TRANSTBL_CONVERT(F_UNLCK); \
+    TRANSTBL_CONVERT(F_EXLCK); \
+    TRANSTBL_CONVERT(F_SHLCK); \
+    }
+
+static int target_to_host_flock(int type)
+{
+#define TRANSTBL_CONVERT(a) case TARGET_##a: return a
+    FLOCK_TRANSTBL
+#undef  TRANSTBL_CONVERT
+    return -TARGET_EINVAL;
+}
+
+static int host_to_target_flock(int type)
+{
+#define TRANSTBL_CONVERT(a) case a: return TARGET_##a
+    FLOCK_TRANSTBL
+#undef  TRANSTBL_CONVERT
+    /* if we don't know how to convert the value coming
+     * from the host we copy to the target field as-is
+     */
+    return type;
+}
 
 static inline abi_long copy_from_user_flock(struct flock64 *fl,
                                             abi_ulong target_flock_addr)
 {
     struct target_flock *target_fl;
-    short l_type;
+    int l_type;
 
     if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) {
         return -TARGET_EFAULT;
     }
 
     __get_user(l_type, &target_fl->l_type);
-    fl->l_type = target_to_host_bitmask(l_type, flock_tbl);
+    l_type = target_to_host_flock(l_type);
+    if (l_type < 0) {
+        return l_type;
+    }
+    fl->l_type = l_type;
     __get_user(fl->l_whence, &target_fl->l_whence);
     __get_user(fl->l_start, &target_fl->l_start);
     __get_user(fl->l_len, &target_fl->l_len);
@@ -6586,7 +6608,7 @@ static inline abi_long copy_to_user_flock(abi_ulong target_flock_addr,
         return -TARGET_EFAULT;
     }
 
-    l_type = host_to_target_bitmask(fl->l_type, flock_tbl);
+    l_type = host_to_target_flock(fl->l_type);
     __put_user(l_type, &target_fl->l_type);
     __put_user(fl->l_whence, &target_fl->l_whence);
     __put_user(fl->l_start, &target_fl->l_start);
@@ -6604,14 +6626,18 @@ static inline abi_long copy_from_user_oabi_flock64(struct flock64 *fl,
                                                    abi_ulong target_flock_addr)
 {
     struct target_oabi_flock64 *target_fl;
-    short l_type;
+    int l_type;
 
     if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) {
         return -TARGET_EFAULT;
     }
 
     __get_user(l_type, &target_fl->l_type);
-    fl->l_type = target_to_host_bitmask(l_type, flock_tbl);
+    l_type = target_to_host_flock(l_type);
+    if (l_type < 0) {
+        return l_type;
+    }
+    fl->l_type = l_type;
     __get_user(fl->l_whence, &target_fl->l_whence);
     __get_user(fl->l_start, &target_fl->l_start);
     __get_user(fl->l_len, &target_fl->l_len);
@@ -6630,7 +6656,7 @@ static inline abi_long copy_to_user_oabi_flock64(abi_ulong target_flock_addr,
         return -TARGET_EFAULT;
     }
 
-    l_type = host_to_target_bitmask(fl->l_type, flock_tbl);
+    l_type = host_to_target_flock(fl->l_type);
     __put_user(l_type, &target_fl->l_type);
     __put_user(fl->l_whence, &target_fl->l_whence);
     __put_user(fl->l_start, &target_fl->l_start);
@@ -6645,14 +6671,18 @@ static inline abi_long copy_from_user_flock64(struct flock64 *fl,
                                               abi_ulong target_flock_addr)
 {
     struct target_flock64 *target_fl;
-    short l_type;
+    int l_type;
 
     if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) {
         return -TARGET_EFAULT;
     }
 
     __get_user(l_type, &target_fl->l_type);
-    fl->l_type = target_to_host_bitmask(l_type, flock_tbl);
+    l_type = target_to_host_flock(l_type);
+    if (l_type < 0) {
+        return l_type;
+    }
+    fl->l_type = l_type;
     __get_user(fl->l_whence, &target_fl->l_whence);
     __get_user(fl->l_start, &target_fl->l_start);
     __get_user(fl->l_len, &target_fl->l_len);
@@ -6671,7 +6701,7 @@ static inline abi_long copy_to_user_flock64(abi_ulong target_flock_addr,
         return -TARGET_EFAULT;
     }
 
-    l_type = host_to_target_bitmask(fl->l_type, flock_tbl);
+    l_type = host_to_target_flock(fl->l_type);
     __put_user(l_type, &target_fl->l_type);
     __put_user(fl->l_whence, &target_fl->l_whence);
     __put_user(fl->l_start, &target_fl->l_start);
diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index 361bb83a29..e4cd87cc00 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -2441,6 +2441,15 @@ struct target_statfs64 {
 #define TARGET_F_SETLKW        7
 #define TARGET_F_GETOWN        11       /*  for sockets. */
 #define TARGET_F_SETOWN        12       /*  for sockets. */
+#elif defined(TARGET_SPARC)
+#define TARGET_F_RDLCK         1
+#define TARGET_F_WRLCK         2
+#define TARGET_F_UNLCK         3
+#define TARGET_F_GETOWN        5       /*  for sockets. */
+#define TARGET_F_SETOWN        6       /*  for sockets. */
+#define TARGET_F_GETLK         7
+#define TARGET_F_SETLK         8
+#define TARGET_F_SETLKW        9
 #else
 #define TARGET_F_GETLK         5
 #define TARGET_F_SETLK         6
@@ -2634,6 +2643,17 @@ struct target_statfs64 {
 #define TARGET_O_SYNC    (TARGET___O_SYNC | TARGET_O_DSYNC)
 #endif
 
+#if defined(TARGET_SPARC)
+#define TARGET_ARCH_FLOCK_PAD abi_short __unused;
+#define TARGET_ARCH_FLOCK64_PAD abi_short __unused;
+#elif defined(TARGET_MIPS)
+#define TARGET_ARCH_FLOCK_PAD abi_long pad[4];
+#define TARGET_ARCH_FLOCK64_PAD
+#else
+#define TARGET_ARCH_FLOCK_PAD
+#define TARGET_ARCH_FLOCK64_PAD
+#endif
+
 struct target_flock {
     short l_type;
     short l_whence;
@@ -2643,9 +2663,7 @@ struct target_flock {
     abi_long l_sysid;
 #endif
     int l_pid;
-#if defined(TARGET_MIPS)
-    abi_long pad[4];
-#endif
+    TARGET_ARCH_FLOCK_PAD
 };
 
 struct target_flock64 {
@@ -2654,6 +2672,7 @@ struct target_flock64 {
     abi_llong l_start;
     abi_llong l_len;
     abi_int   l_pid;
+    TARGET_ARCH_FLOCK64_PAD
 };
 
 struct target_f_owner_ex {
diff --git a/net/hub.c b/net/hub.c
index 5e84a9ad93..78b671ed95 100644
--- a/net/hub.c
+++ b/net/hub.c
@@ -23,8 +23,7 @@
 
 /*
  * A hub broadcasts incoming packets to all its ports except the source port.
- * Hubs can be used to provide independent network segments, also confusingly
- * named the QEMU 'vlan' feature.
+ * Hubs can be used to provide independent emulated network segments.
  */
 
 typedef struct NetHub NetHub;
@@ -345,10 +344,10 @@ void net_hub_check_clients(void)
             }
         }
         if (has_host_dev && !has_nic) {
-            warn_report("vlan %d with no nics", hub->id);
+            warn_report("hub %d with no nics", hub->id);
         }
         if (has_nic && !has_host_dev) {
-            warn_report("vlan %d is not connected to host network", hub->id);
+            warn_report("hub %d is not connected to host network", hub->id);
         }
     }
 }
diff --git a/net/net.c b/net/net.c
index 29f83983e5..efb9eaf779 100644
--- a/net/net.c
+++ b/net/net.c
@@ -965,7 +965,6 @@ static int net_client_init1(const void *object, bool is_netdev, Error **errp)
     const Netdev *netdev;
     const char *name;
     NetClientState *peer = NULL;
-    static bool vlan_warned;
 
     if (is_netdev) {
         netdev = object;
@@ -1036,15 +1035,10 @@ static int net_client_init1(const void *object, bool is_netdev, Error **errp)
             return -1;
         }
 
-        /* Do not add to a vlan if it's a nic with a netdev= parameter. */
+        /* Do not add to a hub if it's a nic with a netdev= parameter. */
         if (netdev->type != NET_CLIENT_DRIVER_NIC ||
             !opts->u.nic.has_netdev) {
-            peer = net_hub_add_port(net->has_vlan ? net->vlan : 0, NULL, NULL);
-        }
-
-        if (net->has_vlan && !vlan_warned) {
-            error_report("'vlan' is deprecated. Please use 'netdev' instead.");
-            vlan_warned = true;
+            peer = net_hub_add_port(0, NULL, NULL);
         }
     }
 
@@ -1365,7 +1359,7 @@ void qmp_set_link(const char *name, bool up, Error **errp)
          * If the peer is a HUBPORT or a backend, we do not change the
          * link status.
          *
-         * This behavior is compatible with qemu vlans where there could be
+         * This behavior is compatible with qemu hubs where there could be
          * multiple clients that can still communicate with each other in
          * disconnected mode. For now maintain this compatibility.
          */
@@ -1502,11 +1496,12 @@ static int net_param_nic(void *dummy, QemuOpts *opts, Error **errp)
         g_free(mac);
         if (ret) {
             error_setg(errp, "invalid syntax for ethernet address");
-            return -1;
+            goto out;
         }
         if (is_multicast_ether_addr(ni->macaddr.a)) {
             error_setg(errp, "NIC cannot have multicast MAC address");
-            return -1;
+            ret = -1;
+            goto out;
         }
     }
     qemu_macaddr_default_if_unset(&ni->macaddr);
@@ -1518,6 +1513,7 @@ static int net_param_nic(void *dummy, QemuOpts *opts, Error **errp)
         nb_nics++;
     }
 
+out:
     g_free(nd_id);
     return ret;
 }
diff --git a/net/slirp.c b/net/slirp.c
index 8991816bbf..692252445a 100644
--- a/net/slirp.c
+++ b/net/slirp.c
@@ -415,7 +415,7 @@ static SlirpState *slirp_lookup(Monitor *mon, const char *hub_id,
         if (hub_id) {
             nc = net_hub_find_client_by_name(strtol(hub_id, NULL, 0), name);
             if (!nc) {
-                monitor_printf(mon, "unrecognized (vlan-id, stackname) pair\n");
+                monitor_printf(mon, "unrecognized (hub-id, stackname) pair\n");
                 return NULL;
             }
         } else {
@@ -870,9 +870,9 @@ void hmp_info_usernet(Monitor *mon, const QDict *qdict)
 
     QTAILQ_FOREACH(s, &slirp_stacks, entry) {
         int id;
-        bool got_vlan_id = net_hub_id_for_client(&s->nc, &id) == 0;
-        monitor_printf(mon, "VLAN %d (%s):\n",
-                       got_vlan_id ? id : -1,
+        bool got_hub_id = net_hub_id_for_client(&s->nc, &id) == 0;
+        monitor_printf(mon, "Hub %d (%s):\n",
+                       got_hub_id ? id : -1,
                        s->nc.name);
         slirp_connection_info(s->slirp, mon);
     }
diff --git a/net/tap.c b/net/tap.c
index 2b3a36f9b5..de05f20e28 100644
--- a/net/tap.c
+++ b/net/tap.c
@@ -766,10 +766,10 @@ int net_init_tap(const Netdev *netdev, const char *name,
     queues = tap->has_queues ? tap->queues : 1;
     vhostfdname = tap->has_vhostfd ? tap->vhostfd : NULL;
 
-    /* QEMU vlans does not support multiqueue tap, in this case peer is set.
+    /* QEMU hubs do not support multiqueue tap, in this case peer is set.
      * For -netdev, peer is always NULL. */
     if (peer && (tap->has_queues || tap->has_fds || tap->has_vhostfds)) {
-        error_setg(errp, "Multiqueue tap cannot be used with QEMU vlans");
+        error_setg(errp, "Multiqueue tap cannot be used with hubs");
         return -1;
     }
 
diff --git a/pc-bios/s390-ccw/cio.h b/pc-bios/s390-ccw/cio.h
index 55eaeee4b6..1a0795f645 100644
--- a/pc-bios/s390-ccw/cio.h
+++ b/pc-bios/s390-ccw/cio.h
@@ -125,7 +125,7 @@ struct tpi_info {
     __u32 reserved3  : 12;
     __u32 int_type   : 3;
     __u32 reserved4  : 12;
-} __attribute__ ((packed));
+} __attribute__ ((packed, aligned(4)));
 
 /* channel command word (type 1) */
 struct ccw1 {
diff --git a/qapi/block-core.json b/qapi/block-core.json
index c50517bff3..21c3470234 100644
--- a/qapi/block-core.json
+++ b/qapi/block-core.json
@@ -2530,6 +2530,10 @@
 # @locking:     whether to enable file locking. If set to 'auto', only enable
 #               when Open File Descriptor (OFD) locking API is available
 #               (default: auto, since 2.10)
+# @x-check-cache-dropped: whether to check that page cache was dropped on live
+#                         migration.  May cause noticeable delays if the image
+#                         file is large, do not use in production.
+#                         (default: off) (since: 2.13)
 #
 # Since: 2.9
 ##
@@ -2537,7 +2541,8 @@
   'data': { 'filename': 'str',
             '*pr-manager': 'str',
             '*locking': 'OnOffAuto',
-            '*aio': 'BlockdevAioOptions' } }
+            '*aio': 'BlockdevAioOptions',
+            '*x-check-cache-dropped': 'bool' } }
 
 ##
 # @BlockdevOptionsNull:
diff --git a/qapi/net.json b/qapi/net.json
index 9117c56972..b4fe4b660b 100644
--- a/qapi/net.json
+++ b/qapi/net.json
@@ -209,7 +209,7 @@
 ##
 # @NetdevTapOptions:
 #
-# Connect the host TAP network interface name to the VLAN.
+# Used to configure a host TAP network interface backend.
 #
 # @ifname: interface name
 #
@@ -267,8 +267,8 @@
 ##
 # @NetdevSocketOptions:
 #
-# Connect the VLAN to a remote VLAN in another QEMU virtual machine using a TCP
-# socket connection.
+# Socket netdevs are used to establish a network connection to another
+# QEMU virtual machine via a TCP socket.
 #
 # @fd: file descriptor of an already opened socket
 #
@@ -296,7 +296,7 @@
 ##
 # @NetdevL2TPv3Options:
 #
-# Connect the VLAN to Ethernet over L2TPv3 Static tunnel
+# Configure an Ethernet over L2TPv3 tunnel.
 #
 # @src: source address
 #
@@ -352,7 +352,7 @@
 ##
 # @NetdevVdeOptions:
 #
-# Connect the VLAN to a vde switch running on the host.
+# Connect to a vde switch running on the host.
 #
 # @sock: socket path
 #
@@ -490,8 +490,6 @@
 #
 # Captures the configuration of a network device; legacy.
 #
-# @vlan: vlan number
-#
 # @id: identifier for monitor commands
 #
 # @name: identifier for monitor commands, ignored if @id is present
@@ -499,10 +497,11 @@
 # @opts: device type specific properties (legacy)
 #
 # Since: 1.2
+#
+# 'vlan' - removed with 2.12
 ##
 { 'struct': 'NetLegacy',
   'data': {
-    '*vlan': 'int32',
     '*id':   'str',
     '*name': 'str',
     'opts':  'NetLegacyOptions' } }
diff --git a/qemu-doc.texi b/qemu-doc.texi
index 715bd336b4..0e0e0ae72b 100644
--- a/qemu-doc.texi
+++ b/qemu-doc.texi
@@ -715,20 +715,12 @@ state is not saved or restored properly (in particular USB).
 @node pcsys_network
 @section Network emulation
 
-QEMU can simulate several network cards (PCI or ISA cards on the PC
-target) and can connect them to an arbitrary number of Virtual Local
-Area Networks (VLANs). Host TAP devices can be connected to any QEMU
-VLAN. VLAN can be connected between separate instances of QEMU to
-simulate large networks. For simpler usage, a non privileged user mode
-network stack can replace the TAP device to have a basic network
-connection.
-
-@subsection VLANs
-
-QEMU simulates several VLANs. A VLAN can be symbolised as a virtual
-connection between several network devices. These devices can be for
-example QEMU virtual Ethernet cards or virtual Host ethernet devices
-(TAP devices).
+QEMU can simulate several network cards (e.g. PCI or ISA cards on the PC
+target) and can connect them to a network backend on the host or an emulated
+hub. The various host network backends can either be used to connect the NIC of
+the guest to a real network (e.g. by using a TAP devices or the non-privileged
+user mode network stack), or to other guest instances running in another QEMU
+process (e.g. by using the socket host network backend).
 
 @subsection Using TAP network interfaces
 
@@ -764,7 +756,7 @@ network). The virtual network configuration is the following:
 
 @example
 
-         QEMU VLAN      <------>  Firewall/DHCP server <-----> Internet
+     guest (10.0.2.15)  <------>  Firewall/DHCP server <-----> Internet
                            |          (10.0.2.2)
                            |
                            ---->  DNS server (10.0.2.3)
@@ -799,11 +791,23 @@ When using the @option{'-netdev user,hostfwd=...'} option, TCP or UDP
 connections can be redirected from the host to the guest. It allows for
 example to redirect X11, telnet or SSH connections.
 
-@subsection Connecting VLANs between QEMU instances
+@subsection Hubs
+
+QEMU can simulate several hubs. A hub can be thought of as a virtual connection
+between several network devices. These devices can be for example QEMU virtual
+ethernet cards or virtual Host ethernet devices (TAP devices). You can connect
+guest NICs or host network backends to such a hub using the @option{-netdev
+hubport} or @option{-nic hubport} options. The legacy @option{-net} option
+also connects the given device to the emulated hub with ID 0 (i.e. the default
+hub) unless you specify a netdev with @option{-net nic,netdev=xxx} here.
 
-Using the @option{-net socket} option, it is possible to make VLANs
-that span several QEMU instances. See @ref{sec_invocation} to have a
-basic example.
+@subsection Connecting emulated networks between QEMU instances
+
+Using the @option{-netdev socket} (or @option{-nic socket} or
+@option{-net socket}) option, it is possible to create emulated
+networks that span several QEMU instances.
+See the description of the @option{-netdev socket} option in the
+@ref{sec_invocation,,Invocation chapter} to have a basic example.
 
 @node pcsys_other_devs
 @section Other Devices
@@ -2846,15 +2850,6 @@ with ``-device ...,netdev=x''), or ``-nic user,smb=/some/dir''
 (for embedded NICs). The new syntax allows different settings to be
 provided per NIC.
 
-@subsection -net vlan (since 2.9.0)
-
-The ``-net vlan=NN'' argument was mostly used to attach separate
-network backends to different virtual NICs.  This is the default
-behavior for ``-netdev'' and ``-nic''.  You can connect multiple
-``-netdev'' and ``-nic'' devices to the same network using the
-"hubport" network backend, created with ``-netdev hubport,hubid=NN,...''
-and ``-nic hubport,hubid=NN''.
-
 @subsection -drive cyls=...,heads=...,secs=...,trans=... (since 2.10.0)
 
 The drive geometry arguments are replaced by the the geometry arguments
diff --git a/qemu-options.hx b/qemu-options.hx
index b2fefd12b6..abbfa6ae9e 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -2003,7 +2003,7 @@ DEF("netdev", HAS_ARG, QEMU_OPTION_netdev,
     "                configure a vhost-user network, backed by a chardev 'dev'\n"
 #endif
     "-netdev hubport,id=str,hubid=n[,netdev=nd]\n"
-    "                configure a hub port on QEMU VLAN 'n'\n", QEMU_ARCH_ALL)
+    "                configure a hub port on the hub with ID 'n'\n", QEMU_ARCH_ALL)
 DEF("nic", HAS_ARG, QEMU_OPTION_nic,
     "--nic [tap|bridge|"
 #ifdef CONFIG_SLIRP
@@ -2028,10 +2028,9 @@ DEF("nic", HAS_ARG, QEMU_OPTION_nic,
     "                provided a 'user' network connection)\n",
     QEMU_ARCH_ALL)
 DEF("net", HAS_ARG, QEMU_OPTION_net,
-    "-net nic[,vlan=n][,netdev=nd][,macaddr=mac][,model=type][,name=str][,addr=str][,vectors=v]\n"
+    "-net nic[,macaddr=mac][,model=type][,name=str][,addr=str][,vectors=v]\n"
     "                configure or create an on-board (or machine default) NIC and\n"
-    "                connect it either to VLAN 'n' or the netdev 'nd' (for pluggable\n"
-    "                NICs please use '-device devtype,netdev=nd' instead)\n"
+    "                connect it to hub 0 (please use -nic unless you need a hub)\n"
     "-net ["
 #ifdef CONFIG_SLIRP
     "user|"
@@ -2044,7 +2043,7 @@ DEF("net", HAS_ARG, QEMU_OPTION_net,
 #ifdef CONFIG_NETMAP
     "netmap|"
 #endif
-    "socket][,vlan=n][,option][,option][,...]\n"
+    "socket][,option][,option][,...]\n"
     "                old way to initialize a host network interface\n"
     "                (use the -netdev option if possible instead)\n", QEMU_ARCH_ALL)
 STEXI
@@ -2462,17 +2461,14 @@ qemu -m 512 -object memory-backend-file,id=mem,size=512M,mem-path=/hugetlbfs,sha
 Create a hub port on the emulated hub with ID @var{hubid}.
 
 The hubport netdev lets you connect a NIC to a QEMU emulated hub instead of a
-single netdev. @code{-net} and @code{-device} with the parameter @option{vlan}
-(deprecated), or @code{-nic hubport} can also be used to connect a
-network device or a NIC to a hub. Alternatively, you can also connect the
-hubport to another netdev with ID @var{nd} by using the @option{netdev=@var{nd}}
-option.
+single netdev. Alternatively, you can also connect the hubport to another
+netdev with ID @var{nd} by using the @option{netdev=@var{nd}} option.
 
-@item -net nic[,vlan=@var{n}][,netdev=@var{nd}][,macaddr=@var{mac}][,model=@var{type}] [,name=@var{name}][,addr=@var{addr}][,vectors=@var{v}]
+@item -net nic[,netdev=@var{nd}][,macaddr=@var{mac}][,model=@var{type}] [,name=@var{name}][,addr=@var{addr}][,vectors=@var{v}]
 @findex -net
 Legacy option to configure or create an on-board (or machine default) Network
-Interface Card(NIC) and connect it either to the emulated hub port ("vlan")
-with number @var{n} (@var{n} = 0 is the default), or to the netdev @var{nd}.
+Interface Card(NIC) and connect it either to the emulated hub with ID 0 (i.e.
+the default hub), or to the netdev @var{nd}.
 The NIC is an e1000 by default on the PC target. Optionally, the MAC address
 can be changed to @var{mac}, the device address set to @var{addr} (PCI cards
 only), and a @var{name} can be assigned for use in monitor commands.
@@ -2482,11 +2478,10 @@ that the card should have; this option currently only affects virtio cards; set
 NIC is created.  QEMU can emulate several different models of network card.
 Use @code{-net nic,model=help} for a list of available devices for your target.
 
-@item -net user|tap|bridge|socket|l2tpv3|vde[,...][,vlan=@var{n}][,name=@var{name}]
+@item -net user|tap|bridge|socket|l2tpv3|vde[,...][,name=@var{name}]
 Configure a host network backend (with the options corresponding to the same
-@option{-netdev} option) and connect it to the emulated hub ("vlan") with the
-number @var{n} (default is number 0). Use @var{name} to specify the name of the
-hub port.
+@option{-netdev} option) and connect it to the emulated hub 0 (the default
+hub). Use @var{name} to specify the name of the hub port.
 ETEXI
 
 STEXI
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index e73b4efcfb..cb1b652388 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -224,9 +224,8 @@ our $NonptrType;
 our $Type;
 our $Declare;
 
-our $UTF8	= qr {
-	[\x09\x0A\x0D\x20-\x7E]              # ASCII
-	| [\xC2-\xDF][\x80-\xBF]             # non-overlong 2-byte
+our $NON_ASCII_UTF8	= qr{
+	[\xC2-\xDF][\x80-\xBF]               # non-overlong 2-byte
 	|  \xE0[\xA0-\xBF][\x80-\xBF]        # excluding overlongs
 	| [\xE1-\xEC\xEE\xEF][\x80-\xBF]{2}  # straight 3-byte
 	|  \xED[\x80-\x9F][\x80-\xBF]        # excluding surrogates
@@ -235,6 +234,11 @@ our $UTF8	= qr {
 	|  \xF4[\x80-\x8F][\x80-\xBF]{2}     # plane 16
 }x;
 
+our $UTF8	= qr{
+	[\x09\x0A\x0D\x20-\x7E]              # ASCII
+	| $NON_ASCII_UTF8
+}x;
+
 # There are still some false positives, but this catches most
 # common cases.
 our $typeTypedefs = qr{(?x:
@@ -1207,6 +1211,11 @@ sub process {
 	my $signoff = 0;
 	my $is_patch = 0;
 
+	my $in_header_lines = $file ? 0 : 1;
+	my $in_commit_log = 0;		#Scanning lines before patch
+	my $reported_maintainer_file = 0;
+	my $non_utf8_charset = 0;
+
 	our @report = ();
 	our $cnt_lines = 0;
 	our $cnt_error = 0;
@@ -1359,7 +1368,6 @@ sub process {
 		if ($line =~ /^diff --git.*?(\S+)$/) {
 			$realfile = $1;
 			$realfile =~ s@^([^/]*)/@@;
-
 		} elsif ($line =~ /^\+\+\+\s+(\S+)/) {
 			$realfile = $1;
 			$realfile =~ s@^([^/]*)/@@;
@@ -1398,6 +1406,8 @@ sub process {
 		if ($line =~ /^\s*signed-off-by:/i) {
 			# This is a signoff, if ugly, so do not double report.
 			$signoff++;
+			$in_commit_log = 0;
+
 			if (!($line =~ /^\s*Signed-off-by:/)) {
 				ERROR("The correct form is \"Signed-off-by\"\n" .
 					$herecurr);
@@ -1408,6 +1418,22 @@ sub process {
 			}
 		}
 
+# Check if MAINTAINERS is being updated.  If so, there's probably no need to
+# emit the "does MAINTAINERS need updating?" message on file add/move/delete
+		if ($line =~ /^\s*MAINTAINERS\s*\|/) {
+			$reported_maintainer_file = 1;
+		}
+
+# Check for added, moved or deleted files
+		if (!$reported_maintainer_file && !$in_commit_log &&
+		    ($line =~ /^(?:new|deleted) file mode\s*\d+\s*$/ ||
+		     $line =~ /^rename (?:from|to) [\w\/\.\-]+\s*$/ ||
+		     ($line =~ /\{\s*([\w\/\.\-]*)\s*\=\>\s*([\w\/\.\-]*)\s*\}/ &&
+		      (defined($1) || defined($2))))) {
+			$reported_maintainer_file = 1;
+			WARN("added, moved or deleted file(s), does MAINTAINERS need updating?\n" . $herecurr);
+		}
+
 # Check for wrappage within a valid hunk of the file
 		if ($realcnt != 0 && $line !~ m{^(?:\+|-| |\\ No newline|$)}) {
 			ERROR("patch seems to be corrupt (line wrapped?)\n" .
@@ -1426,6 +1452,28 @@ sub process {
 			ERROR("Invalid UTF-8, patch and commit message should be encoded in UTF-8\n" . $hereptr);
 		}
 
+# Check if it's the start of a commit log
+# (not a header line and we haven't seen the patch filename)
+		if ($in_header_lines && $realfile =~ /^$/ &&
+		    !($rawline =~ /^\s+\S/ ||
+		      $rawline =~ /^(commit\b|from\b|[\w-]+:).*$/i)) {
+			$in_header_lines = 0;
+			$in_commit_log = 1;
+		}
+
+# Check if there is UTF-8 in a commit log when a mail header has explicitly
+# declined it, i.e defined some charset where it is missing.
+		if ($in_header_lines &&
+		    $rawline =~ /^Content-Type:.+charset="(.+)".*$/ &&
+		    $1 !~ /utf-8/i) {
+			$non_utf8_charset = 1;
+		}
+
+		if ($in_commit_log && $non_utf8_charset && $realfile =~ /^$/ &&
+		    $rawline =~ /$NON_ASCII_UTF8/) {
+			WARN("8-bit UTF-8 used in possible commit log\n" . $herecurr);
+		}
+
 # ignore non-hunk lines and lines being removed
 		next if (!$hunk_line || $line =~ /^-/);
 
diff --git a/target/m68k/softfloat.c b/target/m68k/softfloat.c
index e41b07d042..d093997219 100644
--- a/target/m68k/softfloat.c
+++ b/target/m68k/softfloat.c
@@ -103,6 +103,7 @@ floatx80 floatx80_mod(floatx80 a, floatx80 b, float_status *status)
         mul64To128(bSig, qTemp, &term0, &term1);
         sub128(aSig0, aSig1, term0, term1, &aSig0, &aSig1);
         shortShift128Left(aSig0, aSig1, 62, &aSig0, &aSig1);
+        expDiff -= 62;
     }
     expDiff += 64;
     if (0 < expDiff) {
diff --git a/target/s390x/cpu.h b/target/s390x/cpu.h
index 3ee40f08b7..6629a533f3 100644
--- a/target/s390x/cpu.h
+++ b/target/s390x/cpu.h
@@ -686,6 +686,32 @@ static inline uint64_t s390_build_validity_mcic(void)
     return mcic;
 }
 
+static inline void s390_do_cpu_full_reset(CPUState *cs, run_on_cpu_data arg)
+{
+    cpu_reset(cs);
+}
+
+static inline void s390_do_cpu_reset(CPUState *cs, run_on_cpu_data arg)
+{
+    S390CPUClass *scc = S390_CPU_GET_CLASS(cs);
+
+    scc->cpu_reset(cs);
+}
+
+static inline void s390_do_cpu_initial_reset(CPUState *cs, run_on_cpu_data arg)
+{
+    S390CPUClass *scc = S390_CPU_GET_CLASS(cs);
+
+    scc->initial_cpu_reset(cs);
+}
+
+static inline void s390_do_cpu_load_normal(CPUState *cs, run_on_cpu_data arg)
+{
+    S390CPUClass *scc = S390_CPU_GET_CLASS(cs);
+
+    scc->load_normal(cs);
+}
+
 
 /* cpu.c */
 int s390_get_clock(uint8_t *tod_high, uint64_t *tod_low);
diff --git a/target/s390x/diag.c b/target/s390x/diag.c
index a755837ad5..ac2c40f363 100644
--- a/target/s390x/diag.c
+++ b/target/s390x/diag.c
@@ -22,51 +22,6 @@
 #include "hw/s390x/ipl.h"
 #include "hw/s390x/s390-virtio-ccw.h"
 
-static int modified_clear_reset(S390CPU *cpu)
-{
-    S390CPUClass *scc = S390_CPU_GET_CLASS(cpu);
-    CPUState *t;
-
-    pause_all_vcpus();
-    cpu_synchronize_all_states();
-    CPU_FOREACH(t) {
-        run_on_cpu(t, s390_do_cpu_full_reset, RUN_ON_CPU_NULL);
-    }
-    s390_cmma_reset();
-    subsystem_reset();
-    s390_crypto_reset();
-    scc->load_normal(CPU(cpu));
-    cpu_synchronize_all_post_reset();
-    resume_all_vcpus();
-    return 0;
-}
-
-static inline void s390_do_cpu_reset(CPUState *cs, run_on_cpu_data arg)
-{
-    S390CPUClass *scc = S390_CPU_GET_CLASS(cs);
-
-    scc->cpu_reset(cs);
-}
-
-static int load_normal_reset(S390CPU *cpu)
-{
-    S390CPUClass *scc = S390_CPU_GET_CLASS(cpu);
-    CPUState *t;
-
-    pause_all_vcpus();
-    cpu_synchronize_all_states();
-    CPU_FOREACH(t) {
-        run_on_cpu(t, s390_do_cpu_reset, RUN_ON_CPU_NULL);
-    }
-    s390_cmma_reset();
-    subsystem_reset();
-    scc->initial_cpu_reset(CPU(cpu));
-    scc->load_normal(CPU(cpu));
-    cpu_synchronize_all_post_reset();
-    resume_all_vcpus();
-    return 0;
-}
-
 int handle_diag_288(CPUS390XState *env, uint64_t r1, uint64_t r3)
 {
     uint64_t func = env->regs[r1];
@@ -101,6 +56,7 @@ int handle_diag_288(CPUS390XState *env, uint64_t r1, uint64_t r3)
 
 void handle_diag_308(CPUS390XState *env, uint64_t r1, uint64_t r3, uintptr_t ra)
 {
+    CPUState *cs = CPU(s390_env_get_cpu(env));
     uint64_t addr =  env->regs[r1];
     uint64_t subcode = env->regs[r3];
     IplParameterBlock *iplb;
@@ -117,22 +73,13 @@ void handle_diag_308(CPUS390XState *env, uint64_t r1, uint64_t r3, uintptr_t ra)
 
     switch (subcode) {
     case 0:
-        modified_clear_reset(s390_env_get_cpu(env));
-        if (tcg_enabled()) {
-            cpu_loop_exit(CPU(s390_env_get_cpu(env)));
-        }
+        s390_ipl_reset_request(cs, S390_RESET_MODIFIED_CLEAR);
         break;
     case 1:
-        load_normal_reset(s390_env_get_cpu(env));
-        if (tcg_enabled()) {
-            cpu_loop_exit(CPU(s390_env_get_cpu(env)));
-        }
+        s390_ipl_reset_request(cs, S390_RESET_LOAD_NORMAL);
         break;
     case 3:
-        s390_reipl_request();
-        if (tcg_enabled()) {
-            cpu_loop_exit(CPU(s390_env_get_cpu(env)));
-        }
+        s390_ipl_reset_request(cs, S390_RESET_REIPL);
         break;
     case 5:
         if ((r1 & 1) || (addr & 0x0fffULL)) {
diff --git a/target/s390x/internal.h b/target/s390x/internal.h
index d911e84958..e392a02d12 100644
--- a/target/s390x/internal.h
+++ b/target/s390x/internal.h
@@ -273,12 +273,6 @@ static inline hwaddr decode_basedisp_s(CPUS390XState *env, uint32_t ipb,
 /* Base/displacement are at the same locations. */
 #define decode_basedisp_rs decode_basedisp_s
 
-static inline void s390_do_cpu_full_reset(CPUState *cs, run_on_cpu_data arg)
-{
-    cpu_reset(cs);
-}
-
-
 /* arch_dump.c */
 int s390_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cs,
                               int cpuid, void *opaque);
diff --git a/target/s390x/kvm.c b/target/s390x/kvm.c
index 12b90cf5c5..58e4380ae3 100644
--- a/target/s390x/kvm.c
+++ b/target/s390x/kvm.c
@@ -1767,7 +1767,7 @@ int kvm_arch_handle_exit(CPUState *cs, struct kvm_run *run)
             ret = handle_intercept(cpu);
             break;
         case KVM_EXIT_S390_RESET:
-            s390_reipl_request();
+            s390_ipl_reset_request(cs, S390_RESET_REIPL);
             break;
         case KVM_EXIT_S390_TSCH:
             ret = handle_tsch(cpu);
diff --git a/target/s390x/misc_helper.c b/target/s390x/misc_helper.c
index e0b23c1fd1..1f834f35ef 100644
--- a/target/s390x/misc_helper.c
+++ b/target/s390x/misc_helper.c
@@ -206,7 +206,7 @@ uint32_t HELPER(stsi)(CPUS390XState *env, uint64_t a0, uint64_t r0, uint64_t r1)
     const MachineState *ms = MACHINE(qdev_get_machine());
     uint16_t total_cpus = 0, conf_cpus = 0, reserved_cpus = 0;
     S390CPU *cpu = s390_env_get_cpu(env);
-    SysIB sysib = { 0 };
+    SysIB sysib = { };
     int i, cc = 0;
 
     if ((r0 & STSI_R0_FC_MASK) > STSI_R0_FC_LEVEL_3) {