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-rw-r--r--hw/usb/desc-msos.c2
-rw-r--r--hw/virtio/virtio.c2
-rw-r--r--migration/ram.c2
-rw-r--r--migration/rdma.c2
-rw-r--r--softmmu/cpus.c2
-rw-r--r--softmmu/memory.c12
-rw-r--r--softmmu/trace-events4
-rw-r--r--target/s390x/translate.c6
-rw-r--r--target/xtensa/xtensa-semi.c84
-rw-r--r--tcg/arm/tcg-target.c.inc6
-rw-r--r--tcg/sparc/tcg-target.c.inc6
-rw-r--r--tcg/tcg-op.c2
-rw-r--r--tools/virtiofsd/fuse_virtio.c2
-rw-r--r--util/guest-random.c2
-rw-r--r--util/qemu-option.c2
15 files changed, 70 insertions, 66 deletions
diff --git a/hw/usb/desc-msos.c b/hw/usb/desc-msos.c
index 3a5ad7c8d0..836e38c67e 100644
--- a/hw/usb/desc-msos.c
+++ b/hw/usb/desc-msos.c
@@ -181,7 +181,7 @@ static int usb_desc_msos_prop(const USBDesc *desc, uint8_t *dest)
 
     if (desc->msos->Label) {
         /*
-         * Given as example in the specs.  Havn't figured yet where
+         * Given as example in the specs.  Haven't figured yet where
          * this label shows up in the windows gui.
          */
         length += usb_desc_msos_prop_str(dest+length, MSOS_REG_SZ,
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index 6dcf3baf56..874377f37a 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -2447,6 +2447,7 @@ static void virtio_set_isr(VirtIODevice *vdev, int value)
     }
 }
 
+/* Called within rcu_read_lock(). */
 static bool virtio_split_should_notify(VirtIODevice *vdev, VirtQueue *vq)
 {
     uint16_t old, new;
@@ -2483,6 +2484,7 @@ static bool vring_packed_need_event(VirtQueue *vq, bool wrap,
     return vring_need_event(off, new, old);
 }
 
+/* Called within rcu_read_lock(). */
 static bool virtio_packed_should_notify(VirtIODevice *vdev, VirtQueue *vq)
 {
     VRingPackedDescEvent e;
diff --git a/migration/ram.c b/migration/ram.c
index 723af67c2e..88ff34f574 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -600,7 +600,7 @@ static size_t save_page_header(RAMState *rs, QEMUFile *f,  RAMBlock *block,
 }
 
 /**
- * mig_throttle_guest_down: throotle down the guest
+ * mig_throttle_guest_down: throttle down the guest
  *
  * Reduce amount of guest cpu execution to hopefully slow down memory
  * writes. If guest dirty memory rate is reduced below the rate at
diff --git a/migration/rdma.c b/migration/rdma.c
index b6cc4bef4a..38a099f7ee 100644
--- a/migration/rdma.c
+++ b/migration/rdma.c
@@ -1131,7 +1131,7 @@ static int qemu_rdma_reg_whole_ram_blocks(RDMAContext *rdma)
                     IBV_ACCESS_REMOTE_WRITE
                     );
         if (!local->block[i].mr) {
-            perror("Failed to register local dest ram block!\n");
+            perror("Failed to register local dest ram block!");
             break;
         }
         rdma->total_registrations++;
diff --git a/softmmu/cpus.c b/softmmu/cpus.c
index c3caaeb26e..071085f840 100644
--- a/softmmu/cpus.c
+++ b/softmmu/cpus.c
@@ -325,7 +325,7 @@ static void sigbus_reraise(void)
         sigaddset(&set, SIGBUS);
         pthread_sigmask(SIG_UNBLOCK, &set, NULL);
     }
-    perror("Failed to re-raise SIGBUS!\n");
+    perror("Failed to re-raise SIGBUS!");
     abort();
 }
 
diff --git a/softmmu/memory.c b/softmmu/memory.c
index cea2f622c9..bfedaf9c4d 100644
--- a/softmmu/memory.c
+++ b/softmmu/memory.c
@@ -442,7 +442,8 @@ static MemTxResult  memory_region_read_accessor(MemoryRegion *mr,
         trace_memory_region_subpage_read(get_cpu_index(), mr, addr, tmp, size);
     } else if (trace_event_get_state_backends(TRACE_MEMORY_REGION_OPS_READ)) {
         hwaddr abs_addr = memory_region_to_absolute_addr(mr, addr);
-        trace_memory_region_ops_read(get_cpu_index(), mr, abs_addr, tmp, size);
+        trace_memory_region_ops_read(get_cpu_index(), mr, abs_addr, tmp, size,
+                                     memory_region_name(mr));
     }
     memory_region_shift_read_access(value, shift, mask, tmp);
     return MEMTX_OK;
@@ -464,7 +465,8 @@ static MemTxResult memory_region_read_with_attrs_accessor(MemoryRegion *mr,
         trace_memory_region_subpage_read(get_cpu_index(), mr, addr, tmp, size);
     } else if (trace_event_get_state_backends(TRACE_MEMORY_REGION_OPS_READ)) {
         hwaddr abs_addr = memory_region_to_absolute_addr(mr, addr);
-        trace_memory_region_ops_read(get_cpu_index(), mr, abs_addr, tmp, size);
+        trace_memory_region_ops_read(get_cpu_index(), mr, abs_addr, tmp, size,
+                                     memory_region_name(mr));
     }
     memory_region_shift_read_access(value, shift, mask, tmp);
     return r;
@@ -484,7 +486,8 @@ static MemTxResult memory_region_write_accessor(MemoryRegion *mr,
         trace_memory_region_subpage_write(get_cpu_index(), mr, addr, tmp, size);
     } else if (trace_event_get_state_backends(TRACE_MEMORY_REGION_OPS_WRITE)) {
         hwaddr abs_addr = memory_region_to_absolute_addr(mr, addr);
-        trace_memory_region_ops_write(get_cpu_index(), mr, abs_addr, tmp, size);
+        trace_memory_region_ops_write(get_cpu_index(), mr, abs_addr, tmp, size,
+                                      memory_region_name(mr));
     }
     mr->ops->write(mr->opaque, addr, tmp, size);
     return MEMTX_OK;
@@ -504,7 +507,8 @@ static MemTxResult memory_region_write_with_attrs_accessor(MemoryRegion *mr,
         trace_memory_region_subpage_write(get_cpu_index(), mr, addr, tmp, size);
     } else if (trace_event_get_state_backends(TRACE_MEMORY_REGION_OPS_WRITE)) {
         hwaddr abs_addr = memory_region_to_absolute_addr(mr, addr);
-        trace_memory_region_ops_write(get_cpu_index(), mr, abs_addr, tmp, size);
+        trace_memory_region_ops_write(get_cpu_index(), mr, abs_addr, tmp, size,
+                                      memory_region_name(mr));
     }
     return mr->ops->write_with_attrs(mr->opaque, addr, tmp, size, attrs);
 }
diff --git a/softmmu/trace-events b/softmmu/trace-events
index d18ac41e4e..7b278590a0 100644
--- a/softmmu/trace-events
+++ b/softmmu/trace-events
@@ -9,8 +9,8 @@ cpu_in(unsigned int addr, char size, unsigned int val) "addr 0x%x(%c) value %u"
 cpu_out(unsigned int addr, char size, unsigned int val) "addr 0x%x(%c) value %u"
 
 # memory.c
-memory_region_ops_read(int cpu_index, void *mr, uint64_t addr, uint64_t value, unsigned size) "cpu %d mr %p addr 0x%"PRIx64" value 0x%"PRIx64" size %u"
-memory_region_ops_write(int cpu_index, void *mr, uint64_t addr, uint64_t value, unsigned size) "cpu %d mr %p addr 0x%"PRIx64" value 0x%"PRIx64" size %u"
+memory_region_ops_read(int cpu_index, void *mr, uint64_t addr, uint64_t value, unsigned size, const char *name) "cpu %d mr %p addr 0x%"PRIx64" value 0x%"PRIx64" size %u name '%s'"
+memory_region_ops_write(int cpu_index, void *mr, uint64_t addr, uint64_t value, unsigned size, const char *name) "cpu %d mr %p addr 0x%"PRIx64" value 0x%"PRIx64" size %u name '%s'"
 memory_region_subpage_read(int cpu_index, void *mr, uint64_t offset, uint64_t value, unsigned size) "cpu %d mr %p offset 0x%"PRIx64" value 0x%"PRIx64" size %u"
 memory_region_subpage_write(int cpu_index, void *mr, uint64_t offset, uint64_t value, unsigned size) "cpu %d mr %p offset 0x%"PRIx64" value 0x%"PRIx64" size %u"
 memory_region_ram_device_read(int cpu_index, void *mr, uint64_t addr, uint64_t value, unsigned size) "cpu %d mr %p addr 0x%"PRIx64" value 0x%"PRIx64" size %u"
diff --git a/target/s390x/translate.c b/target/s390x/translate.c
index 03dab9f350..8822603a6e 100644
--- a/target/s390x/translate.c
+++ b/target/s390x/translate.c
@@ -6270,8 +6270,10 @@ static void extract_field(DisasFields *o, const DisasField *f, uint64_t insn)
         abort();
     }
 
-    /* Validate that the "compressed" encoding we selected above is valid.
-       I.e. we havn't make two different original fields overlap.  */
+    /*
+     * Validate that the "compressed" encoding we selected above is valid.
+     * I.e. we haven't made two different original fields overlap.
+     */
     assert(((o->presentC >> f->indexC) & 1) == 0);
     o->presentC |= 1 << f->indexC;
     o->presentO |= 1 << f->indexO;
diff --git a/target/xtensa/xtensa-semi.c b/target/xtensa/xtensa-semi.c
index 79f2b043f2..fa21b7e11f 100644
--- a/target/xtensa/xtensa-semi.c
+++ b/target/xtensa/xtensa-semi.c
@@ -95,59 +95,53 @@ enum {
 
 static uint32_t errno_h2g(int host_errno)
 {
-    static const uint32_t guest_errno[] = {
-        [EPERM]         = TARGET_EPERM,
-        [ENOENT]        = TARGET_ENOENT,
-        [ESRCH]         = TARGET_ESRCH,
-        [EINTR]         = TARGET_EINTR,
-        [EIO]           = TARGET_EIO,
-        [ENXIO]         = TARGET_ENXIO,
-        [E2BIG]         = TARGET_E2BIG,
-        [ENOEXEC]       = TARGET_ENOEXEC,
-        [EBADF]         = TARGET_EBADF,
-        [ECHILD]        = TARGET_ECHILD,
-        [EAGAIN]        = TARGET_EAGAIN,
-        [ENOMEM]        = TARGET_ENOMEM,
-        [EACCES]        = TARGET_EACCES,
-        [EFAULT]        = TARGET_EFAULT,
+    switch (host_errno) {
+    case 0:         return 0;
+    case EPERM:     return TARGET_EPERM;
+    case ENOENT:    return TARGET_ENOENT;
+    case ESRCH:     return TARGET_ESRCH;
+    case EINTR:     return TARGET_EINTR;
+    case EIO:       return TARGET_EIO;
+    case ENXIO:     return TARGET_ENXIO;
+    case E2BIG:     return TARGET_E2BIG;
+    case ENOEXEC:   return TARGET_ENOEXEC;
+    case EBADF:     return TARGET_EBADF;
+    case ECHILD:    return TARGET_ECHILD;
+    case EAGAIN:    return TARGET_EAGAIN;
+    case ENOMEM:    return TARGET_ENOMEM;
+    case EACCES:    return TARGET_EACCES;
+    case EFAULT:    return TARGET_EFAULT;
 #ifdef ENOTBLK
-        [ENOTBLK]       = TARGET_ENOTBLK,
+    case ENOTBLK:   return TARGET_ENOTBLK;
 #endif
-        [EBUSY]         = TARGET_EBUSY,
-        [EEXIST]        = TARGET_EEXIST,
-        [EXDEV]         = TARGET_EXDEV,
-        [ENODEV]        = TARGET_ENODEV,
-        [ENOTDIR]       = TARGET_ENOTDIR,
-        [EISDIR]        = TARGET_EISDIR,
-        [EINVAL]        = TARGET_EINVAL,
-        [ENFILE]        = TARGET_ENFILE,
-        [EMFILE]        = TARGET_EMFILE,
-        [ENOTTY]        = TARGET_ENOTTY,
+    case EBUSY:     return TARGET_EBUSY;
+    case EEXIST:    return TARGET_EEXIST;
+    case EXDEV:     return TARGET_EXDEV;
+    case ENODEV:    return TARGET_ENODEV;
+    case ENOTDIR:   return TARGET_ENOTDIR;
+    case EISDIR:    return TARGET_EISDIR;
+    case EINVAL:    return TARGET_EINVAL;
+    case ENFILE:    return TARGET_ENFILE;
+    case EMFILE:    return TARGET_EMFILE;
+    case ENOTTY:    return TARGET_ENOTTY;
 #ifdef ETXTBSY
-        [ETXTBSY]       = TARGET_ETXTBSY,
+    case ETXTBSY:   return TARGET_ETXTBSY;
 #endif
-        [EFBIG]         = TARGET_EFBIG,
-        [ENOSPC]        = TARGET_ENOSPC,
-        [ESPIPE]        = TARGET_ESPIPE,
-        [EROFS]         = TARGET_EROFS,
-        [EMLINK]        = TARGET_EMLINK,
-        [EPIPE]         = TARGET_EPIPE,
-        [EDOM]          = TARGET_EDOM,
-        [ERANGE]        = TARGET_ERANGE,
-        [ENOSYS]        = TARGET_ENOSYS,
+    case EFBIG:     return TARGET_EFBIG;
+    case ENOSPC:    return TARGET_ENOSPC;
+    case ESPIPE:    return TARGET_ESPIPE;
+    case EROFS:     return TARGET_EROFS;
+    case EMLINK:    return TARGET_EMLINK;
+    case EPIPE:     return TARGET_EPIPE;
+    case EDOM:      return TARGET_EDOM;
+    case ERANGE:    return TARGET_ERANGE;
+    case ENOSYS:    return TARGET_ENOSYS;
 #ifdef ELOOP
-        [ELOOP]         = TARGET_ELOOP,
+    case ELOOP:     return TARGET_ELOOP;
 #endif
     };
 
-    if (host_errno == 0) {
-        return 0;
-    } else if (host_errno > 0 && host_errno < ARRAY_SIZE(guest_errno) &&
-            guest_errno[host_errno]) {
-        return guest_errno[host_errno];
-    } else {
-        return TARGET_EINVAL;
-    }
+    return TARGET_EINVAL;
 }
 
 typedef struct XtensaSimConsole {
diff --git a/tcg/arm/tcg-target.c.inc b/tcg/arm/tcg-target.c.inc
index 7a761a602e..007ceee68e 100644
--- a/tcg/arm/tcg-target.c.inc
+++ b/tcg/arm/tcg-target.c.inc
@@ -2407,8 +2407,10 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode op)
 
 static void tcg_target_init(TCGContext *s)
 {
-    /* Only probe for the platform and capabilities if we havn't already
-       determined maximum values at compile time.  */
+    /*
+     * Only probe for the platform and capabilities if we haven't already
+     * determined maximum values at compile time.
+     */
 #if !defined(use_idiv_instructions) || !defined(use_neon_instructions)
     {
         unsigned long hwcap = qemu_getauxval(AT_HWCAP);
diff --git a/tcg/sparc/tcg-target.c.inc b/tcg/sparc/tcg-target.c.inc
index a6ec94a094..688827968b 100644
--- a/tcg/sparc/tcg-target.c.inc
+++ b/tcg/sparc/tcg-target.c.inc
@@ -1690,8 +1690,10 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode op)
 
 static void tcg_target_init(TCGContext *s)
 {
-    /* Only probe for the platform and capabilities if we havn't already
-       determined maximum values at compile time.  */
+    /*
+     * Only probe for the platform and capabilities if we haven't already
+     * determined maximum values at compile time.
+     */
 #ifndef use_vis3_instructions
     {
         unsigned long hwcap = qemu_getauxval(AT_HWCAP);
diff --git a/tcg/tcg-op.c b/tcg/tcg-op.c
index 44d711c0fc..58a34b5147 100644
--- a/tcg/tcg-op.c
+++ b/tcg/tcg-op.c
@@ -2741,7 +2741,7 @@ void tcg_gen_goto_tb(unsigned idx)
     /* We only support two chained exits.  */
     tcg_debug_assert(idx <= TB_EXIT_IDXMAX);
 #ifdef CONFIG_DEBUG_TCG
-    /* Verify that we havn't seen this numbered exit before.  */
+    /* Verify that we haven't seen this numbered exit before.  */
     tcg_debug_assert((tcg_ctx->goto_tb_issue_mask & (1 << idx)) == 0);
     tcg_ctx->goto_tb_issue_mask |= 1 << idx;
 #endif
diff --git a/tools/virtiofsd/fuse_virtio.c b/tools/virtiofsd/fuse_virtio.c
index fa4aff9b0e..fc2564a603 100644
--- a/tools/virtiofsd/fuse_virtio.c
+++ b/tools/virtiofsd/fuse_virtio.c
@@ -917,7 +917,7 @@ static bool fv_socket_lock(struct fuse_session *se)
     dir = qemu_get_local_state_pathname("run/virtiofsd");
 
     if (g_mkdir_with_parents(dir, S_IRWXU) < 0) {
-        fuse_log(FUSE_LOG_ERR, "%s: Failed to create directory %s: %s",
+        fuse_log(FUSE_LOG_ERR, "%s: Failed to create directory %s: %s\n",
                  __func__, dir, strerror(errno));
         return false;
     }
diff --git a/util/guest-random.c b/util/guest-random.c
index 086115bd67..23643f86cc 100644
--- a/util/guest-random.c
+++ b/util/guest-random.c
@@ -38,7 +38,7 @@ static int glib_random_bytes(void *buf, size_t len)
     }
     if (i < len) {
         x = g_rand_int(rand);
-        __builtin_memcpy(buf + i, &x, i - len);
+        __builtin_memcpy(buf + i, &x, len - i);
     }
     return 0;
 }
diff --git a/util/qemu-option.c b/util/qemu-option.c
index ee78e42216..61cb4a97bd 100644
--- a/util/qemu-option.c
+++ b/util/qemu-option.c
@@ -997,8 +997,6 @@ QemuOpts *qemu_opts_from_qdict(QemuOptsList *list, const QDict *qdict,
         return NULL;
     }
 
-    assert(opts != NULL);
-
     for (entry = qdict_first(qdict);
          entry;
          entry = qdict_next(qdict, entry)) {