* Atomic memslot updates for KVM (Emanuele, David)

* Always send errors to logfile when daemonized (Greg)
 * Add support for IDE CompactFlash card (Lubomir)
 * First round of build system cleanups (myself)
 * First round of feature removals (myself)
 * Reduce "qemu/accel.h" inclusion (Philippe)
 -----BEGIN PGP SIGNATURE-----
 
 iQFIBAABCAAyFiEE8TM4V0tmI4mGbHaCv/vSX3jHroMFAmO3Ym0UHHBib256aW5p
 QHJlZGhhdC5jb20ACgkQv/vSX3jHroNYmwf+LHEw+4T0fk1+2NfgIzH3+8s1EqDm
 Ai56EjxO/p5NUptflXAnhn4P3LawswmmNE0ZIFFFBgwG5E9L+Jj/u5efuLu4uYPg
 bboEBDn8nxSNN2l08u9TyS6kSWSxbwwrs7i2+V+4uQIlVIcCHu+A0vpXns4vWwY0
 zZGF8CgJKDQdPIxdXrH8+6/xtadQ8uDkYsAWDiY/nhozCsCUTAZGTXWEQbHJLARI
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 =2Koq
 -----END PGP SIGNATURE-----

Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* Atomic memslot updates for KVM (Emanuele, David)
* Always send errors to logfile when daemonized (Greg)
* Add support for IDE CompactFlash card (Lubomir)
* First round of build system cleanups (myself)
* First round of feature removals (myself)
* Reduce "qemu/accel.h" inclusion (Philippe)

# gpg: Signature made Thu 05 Jan 2023 23:51:09 GMT
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (24 commits)
  i386: SGX: remove deprecated member of SGXInfo
  target/i386: Add SGX aex-notify and EDECCSSA support
  util: remove support -chardev tty and -chardev parport
  util: remove support for hex numbers with a scaling suffix
  KVM: remove support for kernel-irqchip=off
  docs: do not talk about past removal as happening in the future
  meson: accept relative symlinks in "meson introspect --installed" data
  meson: cleanup compiler detection
  meson: support meson 0.64 -Doptimization=plain
  configure: test all warnings
  tests/qapi-schema: remove Meson workaround
  meson: cleanup dummy-cpus.c rules
  meson: tweak hardening options for Windows
  configure: remove backwards-compatibility and obsolete options
  configure: preserve qemu-ga variables
  configure: cleanup $cpu tests
  configure: remove dead function
  configure: remove useless write_c_skeleton
  ide: Add "ide-cf" driver, a CompactFlash card
  ide: Add 8-bit data mode
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

accel/meson.build

@@ -11,10 +11,5 @@ if have_system
   subdir('stubs')
 endif
 
-dummy_ss = ss.source_set()
+# qtest
-dummy_ss.add(files(
+softmmu_ss.add(files('dummy-cpus.c'))
-  'dummy-cpus.c',
-))
-
-specific_ss.add_all(when: ['CONFIG_SOFTMMU'], if_true: dummy_ss)
-specific_ss.add_all(when: ['CONFIG_XEN'], if_true: dummy_ss)

chardev/char.c

@@ -530,19 +530,6 @@ static const ChardevClass *char_get_class(const char *driver, Error **errp)
     return cc;
 }
 
-static struct ChardevAlias {
-    const char *typename;
-    const char *alias;
-    bool deprecation_warning_printed;
-} chardev_alias_table[] = {
-#ifdef HAVE_CHARDEV_PARPORT
-    { "parallel", "parport" },
-#endif
-#ifdef HAVE_CHARDEV_SERIAL
-    { "serial", "tty" },
-#endif
-};
-
 typedef struct ChadevClassFE {
     void (*fn)(const char *name, void *opaque);
     void *opaque;
@@ -578,28 +565,12 @@ help_string_append(const char *name, void *opaque)
     g_string_append_printf(str, "\n  %s", name);
 }
 
-static const char *chardev_alias_translate(const char *name)
-{
-    int i;
-    for (i = 0; i < (int)ARRAY_SIZE(chardev_alias_table); i++) {
-        if (g_strcmp0(chardev_alias_table[i].alias, name) == 0) {
-            if (!chardev_alias_table[i].deprecation_warning_printed) {
-                warn_report("The alias '%s' is deprecated, use '%s' instead",
-                            name, chardev_alias_table[i].typename);
-                chardev_alias_table[i].deprecation_warning_printed = true;
-            }
-            return chardev_alias_table[i].typename;
-        }
-    }
-    return name;
-}
-
 ChardevBackend *qemu_chr_parse_opts(QemuOpts *opts, Error **errp)
 {
     Error *local_err = NULL;
     const ChardevClass *cc;
     ChardevBackend *backend = NULL;
-    const char *name = chardev_alias_translate(qemu_opt_get(opts, "backend"));
+    const char *name = qemu_opt_get(opts, "backend");
 
     if (name == NULL) {
         error_setg(errp, "chardev: \"%s\" missing backend",
@@ -637,7 +608,7 @@ Chardev *qemu_chr_new_from_opts(QemuOpts *opts, GMainContext *context,
     const ChardevClass *cc;
     Chardev *chr = NULL;
     ChardevBackend *backend = NULL;
-    const char *name = chardev_alias_translate(qemu_opt_get(opts, "backend"));
+    const char *name = qemu_opt_get(opts, "backend");
     const char *id = qemu_opts_id(opts);
     char *bid = NULL;
 

configure

@@ -211,10 +211,6 @@ version_ge () {
     done
 }
 
-glob() {
-    eval test -z '"${1#'"$2"'}"'
-}
-
 if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
 then
   error_exit "main directory cannot contain spaces nor colons"
@@ -342,9 +338,6 @@ for opt do
   ;;
   esac
 done
-# OS specific
-# Using uname is really, really broken.  Once we have the right set of checks
-# we can eliminate its usage altogether.
 
 # Preferred compiler:
 #  ${CC} (if set)
@@ -387,8 +380,6 @@ sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 # 2s-complement style results. (Both clang and gcc agree that it
 # provides these semantics.)
 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv"
-QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
-QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
 
 QEMU_LDFLAGS=
@@ -495,13 +486,6 @@ sunos)
   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
 # needed for TIOCWIN* defines in termios.h
   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
-  # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
-  # Note that this check is broken for cross-compilation: if you're
-  # cross-compiling to one of these OSes then you'll need to specify
-  # the correct CPU with the --cpu option.
-  if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
-    cpu="x86_64"
-  fi
 ;;
 haiku)
   pie="no"
@@ -556,16 +540,21 @@ elif check_define __aarch64__ ; then
 elif check_define __loongarch64 ; then
   cpu="loongarch64"
 else
+  # Using uname is really broken, but it is just a fallback for architectures
+  # that are going to use TCI anyway
   cpu=$(uname -m)
+  echo "WARNING: unrecognized host CPU, proceeding with 'uname -m' output '$cpu'"
 fi
 
-# Normalise host CPU name, set multilib cflags
+# Normalise host CPU name and set multilib cflags.  The canonicalization
+# isn't really necessary, because the architectures that we check for
+# should not hit the 'uname -m' case, but better safe than sorry.
 # Note that this case should only have supported host CPUs, not guests.
 case "$cpu" in
   armv*b|armv*l|arm)
     cpu="arm" ;;
 
-  i386|i486|i586|i686|i86pc|BePC)
+  i386|i486|i586|i686)
     cpu="i386"
     CPU_CFLAGS="-m32" ;;
   x32)
@@ -640,7 +629,6 @@ if test "$mingw32" = "yes" ; then
   EXESUF=".exe"
   # MinGW needs -mthreads for TLS and macro _MT.
   CONFIGURE_CFLAGS="-mthreads $CONFIGURE_CFLAGS"
-  write_c_skeleton;
   prefix="/qemu"
   bindir=""
   qemu_suffix=""
@@ -855,17 +843,6 @@ for opt do
   ;;
   --with-coroutine=*) coroutine="$optarg"
   ;;
-  --disable-zlib-test)
-  ;;
-  --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
-      echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
-  ;;
-  --enable-vhdx|--disable-vhdx)
-      echo "$0: $opt is obsolete, VHDX driver is always built" >&2
-  ;;
-  --enable-uuid|--disable-uuid)
-      echo "$0: $opt is obsolete, UUID support is always built" >&2
-  ;;
   --with-git=*) git="$optarg"
   ;;
   --with-git-submodules=*)
@@ -885,19 +862,10 @@ for opt do
   ;;
   --gdb=*) gdb_bin="$optarg"
   ;;
-  # backwards compatibility options
-  --enable-trace-backend=*) meson_option_parse "--enable-trace-backends=$optarg" "$optarg"
-  ;;
-  --disable-blobs) meson_option_parse --disable-install-blobs ""
-  ;;
   --enable-vfio-user-server) vfio_user_server="enabled"
   ;;
   --disable-vfio-user-server) vfio_user_server="disabled"
   ;;
-  --enable-tcmalloc) meson_option_parse --enable-malloc=tcmalloc tcmalloc
-  ;;
-  --enable-jemalloc) meson_option_parse --enable-malloc=jemalloc jemalloc
-  ;;
   # everything else has the same name in configure and meson
   --*) meson_option_parse "$opt" "$optarg"
   ;;
@@ -1198,6 +1166,11 @@ fi
 # just silently disable some features, so it's too error prone.
 
 warn_flags=
+add_to warn_flags -Wundef
+add_to warn_flags -Wwrite-strings
+add_to warn_flags -Wmissing-prototypes
+add_to warn_flags -Wstrict-prototypes
+add_to warn_flags -Wredundant-decls
 add_to warn_flags -Wold-style-declaration
 add_to warn_flags -Wold-style-definition
 add_to warn_flags -Wtype-limits
@@ -2237,20 +2210,6 @@ if test "$have_ubsan" = "yes"; then
   QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS"
 fi
 
-##########################################
-# Guest agent Windows MSI package
-
-if test "$QEMU_GA_MANUFACTURER" = ""; then
-  QEMU_GA_MANUFACTURER=QEMU
-fi
-if test "$QEMU_GA_DISTRO" = ""; then
-  QEMU_GA_DISTRO=Linux
-fi
-if test "$QEMU_GA_VERSION" = ""; then
-    QEMU_GA_VERSION=$(cat "$source_path"/VERSION)
-fi
-
-
 #######################################
 # cross-compiled firmware targets
 
@@ -2346,9 +2305,9 @@ if test "$debug_tcg" = "yes" ; then
 fi
 if test "$mingw32" = "yes" ; then
   echo "CONFIG_WIN32=y" >> $config_host_mak
-  echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
+  echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER-QEMU}" >> $config_host_mak
-  echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
+  echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO-Linux}" >> $config_host_mak
-  echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
+  echo "QEMU_GA_VERSION=${QEMU_GA_VERSION-$(cat "$source_path"/VERSION)}" >> $config_host_mak
 else
   echo "CONFIG_POSIX=y" >> $config_host_mak
 fi
@@ -2663,6 +2622,9 @@ preserve_env PKG_CONFIG
 preserve_env PKG_CONFIG_LIBDIR
 preserve_env PKG_CONFIG_PATH
 preserve_env PYTHON
+preserve_env QEMU_GA_MANUFACTURER
+preserve_env QEMU_GA_DISTRO
+preserve_env QEMU_GA_VERSION
 preserve_env SDL2_CONFIG
 preserve_env SMBD
 preserve_env STRIP

docs/about/deprecated.rst

@@ -39,12 +39,6 @@ should specify an ``audiodev=`` property.  Additionally, when using
 vnc, you should specify an ``audiodev=`` property if you plan to
 transmit audio through the VNC protocol.
 
-``-chardev`` backend aliases ``tty`` and ``parport`` (since 6.0)
-''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
-
-``tty`` and ``parport`` are aliases that will be removed. Instead, the
-actual backend names ``serial`` and ``parallel`` should be used.
-
 Short-form boolean options (since 6.0)
 ''''''''''''''''''''''''''''''''''''''
 
@@ -58,21 +52,6 @@ and will cause a warning.
 The replacement for the ``nodelay`` short-form boolean option is ``nodelay=on``
 rather than ``delay=off``.
 
-Userspace local APIC with KVM (x86, since 6.0)
-''''''''''''''''''''''''''''''''''''''''''''''
-
-Using ``-M kernel-irqchip=off`` with x86 machine types that include a local
-APIC is deprecated.  The ``split`` setting is supported, as is using
-``-M kernel-irqchip=off`` with the ISA PC machine type.
-
-hexadecimal sizes with scaling multipliers (since 6.0)
-''''''''''''''''''''''''''''''''''''''''''''''''''''''
-
-Input parameters that take a size value should only use a size suffix
-(such as 'k' or 'M') when the base is written in decimal, and not when
-the value is hexadecimal.  That is, '0x20M' is deprecated, and should
-be written either as '32M' or as '0x2000000'.
-
 ``-spice password=string`` (since 6.0)
 ''''''''''''''''''''''''''''''''''''''
 
@@ -186,19 +165,6 @@ accepted incorrect commands will return an error. Users should make sure that
 all arguments passed to ``device_add`` are consistent with the documented
 property types.
 
-``query-sgx`` return value member ``section-size`` (since 7.0)
-''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
-
-Member ``section-size`` in return value elements with meta-type ``uint64`` is
-deprecated.  Use ``sections`` instead.
-
-
-``query-sgx-capabilities`` return value member ``section-size`` (since 7.0)
-'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
-
-Member ``section-size`` in return value elements with meta-type ``uint64`` is
-deprecated.  Use ``sections`` instead.
-
 System accelerators
 -------------------
 

docs/about/removed-features.rst

@@ -408,6 +408,19 @@ pcspk-audiodev=<name>``.
 
 Use ``-device`` instead.
 
+Hexadecimal sizes with scaling multipliers (since 8.0)
+''''''''''''''''''''''''''''''''''''''''''''''''''''''
+
+Input parameters that take a size value should only use a size suffix
+(such as 'k' or 'M') when the base is written in decimal, and not when
+the value is hexadecimal.  That is, '0x20M' should be written either as
+'32M' or as '0x2000000'.
+
+``-chardev`` backend aliases ``tty`` and ``parport`` (removed in 8.0)
+'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
+
+``tty`` and ``parport`` used to be aliases for ``serial`` and ``parallel``
+respectively. The actual backend names should be used instead.
 
 QEMU Machine Protocol (QMP) commands
 ------------------------------------
@@ -494,6 +507,19 @@ type of array items in query-named-block-nodes.
 
 Specify the properties for the object as top-level arguments instead.
 
+``query-sgx`` return value member ``section-size`` (removed in 8.0)
+'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
+
+Member ``section-size`` in the return value of ``query-sgx``
+was superseded by ``sections``.
+
+
+``query-sgx-capabilities`` return value member ``section-size`` (removed in 8.0)
+''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
+
+Member ``section-size`` in the return value of ``query-sgx-capabilities``
+was superseded by ``sections``.
+
 Human Monitor Protocol (HMP) commands
 -------------------------------------
 
@@ -565,9 +591,8 @@ KVM guest support on 32-bit Arm hosts (removed in 5.2)
 ''''''''''''''''''''''''''''''''''''''''''''''''''''''
 
 The Linux kernel has dropped support for allowing 32-bit Arm systems
-to host KVM guests as of the 5.7 kernel. Accordingly, QEMU is deprecating
+to host KVM guests as of the 5.7 kernel, and was thus removed from QEMU
-its support for this configuration and will remove it in a future version.
+as well.  Running 32-bit guests on a 64-bit Arm host remains supported.
-Running 32-bit guests on a 64-bit Arm host remains supported.
 
 RISC-V ISA Specific CPUs (removed in 5.1)
 '''''''''''''''''''''''''''''''''''''''''
@@ -617,6 +642,16 @@ x86 ``Icelake-Client`` CPU (removed in 7.1)
 There isn't ever Icelake Client CPU, it is some wrong and imaginary one.
 Use ``Icelake-Server`` instead.
 
+System accelerators
+-------------------
+
+Userspace local APIC with KVM (x86, removed 8.0)
+''''''''''''''''''''''''''''''''''''''''''''''''
+
+``-M kernel-irqchip=off`` cannot be used on KVM if the CPU model includes
+a local APIC.  The ``split`` setting is supported, as is using ``-M
+kernel-irqchip=off`` when the CPU does not have a local APIC.
+
 System emulator machines
 ------------------------
 

docs/qdev-device-use.txt

@@ -216,11 +216,11 @@ LEGACY-CHARDEV translates to -chardev HOST-OPTS... as follows:
 
 * unix:FNAME becomes -chardev socket,path=FNAME
 
-* /dev/parportN becomes -chardev parport,file=/dev/parportN
+* /dev/parportN becomes -chardev parallel,file=/dev/parportN
 
 * /dev/ppiN likewise
 
-* Any other /dev/FNAME becomes -chardev tty,path=/dev/FNAME
+* Any other /dev/FNAME becomes -chardev serial,path=/dev/FNAME
 
 * mon:LEGACY-CHARDEV is special: it multiplexes the monitor onto the
   character device defined by LEGACY-CHARDEV.  -chardev provides more

hw/core/machine.c

@@ -12,6 +12,7 @@
 
 #include "qemu/osdep.h"
 #include "qemu/option.h"
+#include "qemu/accel.h"
 #include "qapi/qmp/qerror.h"
 #include "sysemu/replay.h"
 #include "qemu/units.h"

hw/i386/amd_iommu.c

@@ -1368,7 +1368,7 @@ static MemTxResult amdvi_mem_ir_write(void *opaque, hwaddr addr,
         return MEMTX_ERROR;
     }
 
-    apic_get_class()->send_msi(&to);
+    apic_get_class(NULL)->send_msi(&to);
 
     trace_amdvi_mem_ir_write(to.address, to.data);
     return MEMTX_OK;

hw/i386/intel_iommu.c

@@ -396,7 +396,7 @@ static void vtd_generate_interrupt(IntelIOMMUState *s, hwaddr mesg_addr_reg,
 
     trace_vtd_irq_generate(msi.address, msi.data);
 
-    apic_get_class()->send_msi(&msi);
+    apic_get_class(NULL)->send_msi(&msi);
 }
 
 /* Generate a fault event to software via MSI if conditions are met.
@@ -3529,7 +3529,7 @@ static MemTxResult vtd_mem_ir_write(void *opaque, hwaddr addr,
         return MEMTX_ERROR;
     }
 
-    apic_get_class()->send_msi(&to);
+    apic_get_class(NULL)->send_msi(&to);
 
     return MEMTX_OK;
 }

hw/i386/sgx.c

@@ -83,7 +83,7 @@ static uint64_t sgx_calc_section_metric(uint64_t low, uint64_t high)
            ((high & MAKE_64BIT_MASK(0, 20)) << 32);
 }
 
-static SGXEPCSectionList *sgx_calc_host_epc_sections(uint64_t *size)
+static SGXEPCSectionList *sgx_calc_host_epc_sections(void)
 {
     SGXEPCSectionList *head = NULL, **tail = &head;
     SGXEPCSection *section;
@@ -106,7 +106,6 @@ static SGXEPCSectionList *sgx_calc_host_epc_sections(uint64_t *size)
         section = g_new0(SGXEPCSection, 1);
         section->node = j++;
         section->size = sgx_calc_section_metric(ecx, edx);
-        *size += section->size;
         QAPI_LIST_APPEND(tail, section);
     }
 
@@ -157,7 +156,6 @@ SGXInfo *qmp_query_sgx_capabilities(Error **errp)
 {
     SGXInfo *info = NULL;
     uint32_t eax, ebx, ecx, edx;
-    uint64_t size = 0;
 
     int fd = qemu_open_old("/dev/sgx_vepc", O_RDWR);
     if (fd < 0) {
@@ -175,8 +173,7 @@ SGXInfo *qmp_query_sgx_capabilities(Error **errp)
     info->sgx1 = eax & (1U << 0) ? true : false;
     info->sgx2 = eax & (1U << 1) ? true : false;
 
-    info->sections = sgx_calc_host_epc_sections(&size);
+    info->sections = sgx_calc_host_epc_sections();
-    info->section_size = size;
 
     close(fd);
 
@@ -223,14 +220,12 @@ SGXInfo *qmp_query_sgx(Error **errp)
         return NULL;
     }
 
-    SGXEPCState *sgx_epc = &pcms->sgx_epc;
     info = g_new0(SGXInfo, 1);
 
     info->sgx = true;
     info->sgx1 = true;
     info->sgx2 = true;
     info->flc = true;
-    info->section_size = sgx_epc->size;
     info->sections = sgx_get_epc_sections_list();
 
     return info;
@@ -241,6 +236,7 @@ void hmp_info_sgx(Monitor *mon, const QDict *qdict)
     Error *err = NULL;
     SGXEPCSectionList *section_list, *section;
     g_autoptr(SGXInfo) info = qmp_query_sgx(&err);
+    uint64_t size = 0;
 
     if (err) {
         error_report_err(err);
@@ -254,8 +250,6 @@ void hmp_info_sgx(Monitor *mon, const QDict *qdict)
                    info->sgx2 ? "enabled" : "disabled");
     monitor_printf(mon, "FLC support: %s\n",
                    info->flc ? "enabled" : "disabled");
-    monitor_printf(mon, "size: %" PRIu64 "\n",
-                   info->section_size);
 
     section_list = info->sections;
     for (section = section_list; section; section = section->next) {
@@ -263,7 +257,10 @@ void hmp_info_sgx(Monitor *mon, const QDict *qdict)
                        section->value->node);
         monitor_printf(mon, "size=%" PRIu64 "\n",
                        section->value->size);
+        size += section->value->size;
     }
+    monitor_printf(mon, "total size=%" PRIu64 "\n",
+                   size);
 }
 
 bool sgx_epc_get_section(int section_nr, uint64_t *addr, uint64_t *size)

hw/ide/core.c

@@ -1648,6 +1648,13 @@ static bool cmd_set_features(IDEState *s, uint8_t cmd)
 
     /* XXX: valid for CDROM ? */
     switch (s->feature) {
+    case 0x01: /* 8-bit I/O enable (CompactFlash) */
+    case 0x81: /* 8-bit I/O disable (CompactFlash) */
+        if (s->drive_kind != IDE_CFATA) {
+            goto abort_cmd;
+        }
+        s->io8 = !(s->feature & 0x80);
+        return true;
     case 0x02: /* write cache enable */
         blk_set_enable_write_cache(s->blk, true);
         identify_data = (uint16_t *)s->identify_data;
@@ -2374,12 +2381,20 @@ void ide_data_writew(void *opaque, uint32_t addr, uint32_t val)
     }
 
     p = s->data_ptr;
-    if (p + 2 > s->data_end) {
+    if (s->io8) {
-        return;
+        if (p + 1 > s->data_end) {
-    }
+            return;
+        }
 
-    *(uint16_t *)p = le16_to_cpu(val);
+        *p++ = val;
-    p += 2;
+    } else {
+        if (p + 2 > s->data_end) {
+            return;
+        }
+
+        *(uint16_t *)p = le16_to_cpu(val);
+        p += 2;
+    }
     s->data_ptr = p;
     if (p >= s->data_end) {
         s->status &= ~DRQ_STAT;
@@ -2401,12 +2416,20 @@ uint32_t ide_data_readw(void *opaque, uint32_t addr)
     }
 
     p = s->data_ptr;
-    if (p + 2 > s->data_end) {
+    if (s->io8) {
-        return 0;
+        if (p + 1 > s->data_end) {
-    }
+            return 0;
+        }
 
-    ret = cpu_to_le16(*(uint16_t *)p);
+        ret = *p++;
-    p += 2;
+    } else {
+        if (p + 2 > s->data_end) {
+            return 0;
+        }
+
+        ret = cpu_to_le16(*(uint16_t *)p);
+        p += 2;
+    }
     s->data_ptr = p;
     if (p >= s->data_end) {
         s->status &= ~DRQ_STAT;

hw/ide/qdev.c

@@ -283,6 +283,11 @@ static void ide_cd_realize(IDEDevice *dev, Error **errp)
     ide_dev_initfn(dev, IDE_CD, errp);
 }
 
+static void ide_cf_realize(IDEDevice *dev, Error **errp)
+{
+    ide_dev_initfn(dev, IDE_CFATA, errp);
+}
+
 #define DEFINE_IDE_DEV_PROPERTIES()                     \
     DEFINE_BLOCK_PROPERTIES(IDEDrive, dev.conf),        \
     DEFINE_BLOCK_ERROR_PROPERTIES(IDEDrive, dev.conf),  \
@@ -341,6 +346,32 @@ static const TypeInfo ide_cd_info = {
     .class_init    = ide_cd_class_init,
 };
 
+static Property ide_cf_properties[] = {
+    DEFINE_IDE_DEV_PROPERTIES(),
+    DEFINE_BLOCK_CHS_PROPERTIES(IDEDrive, dev.conf),
+    DEFINE_PROP_BIOS_CHS_TRANS("bios-chs-trans",
+                IDEDrive, dev.chs_trans, BIOS_ATA_TRANSLATION_AUTO),
+    DEFINE_PROP_END_OF_LIST(),
+};
+
+static void ide_cf_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+    IDEDeviceClass *k = IDE_DEVICE_CLASS(klass);
+
+    k->realize  = ide_cf_realize;
+    dc->fw_name = "drive";
+    dc->desc    = "virtual CompactFlash card";
+    device_class_set_props(dc, ide_cf_properties);
+}
+
+static const TypeInfo ide_cf_info = {
+    .name          = "ide-cf",
+    .parent        = TYPE_IDE_DEVICE,
+    .instance_size = sizeof(IDEDrive),
+    .class_init    = ide_cf_class_init,
+};
+
 static void ide_device_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *k = DEVICE_CLASS(klass);
@@ -365,6 +396,7 @@ static void ide_register_types(void)
     type_register_static(&ide_bus_info);
     type_register_static(&ide_hd_info);
     type_register_static(&ide_cd_info);
+    type_register_static(&ide_cf_info);
     type_register_static(&ide_device_type_info);
 }
 

include/hw/boards.h

@@ -6,7 +6,6 @@
 #include "exec/memory.h"
 #include "sysemu/hostmem.h"
 #include "sysemu/blockdev.h"
-#include "qemu/accel.h"
 #include "qapi/qapi-types-machine.h"
 #include "qemu/module.h"
 #include "qom/object.h"

include/hw/i386/apic_internal.h

@@ -226,6 +226,6 @@ static inline int apic_get_bit(uint32_t *tab, int index)
     return !!(tab[i] & mask);
 }
 
-APICCommonClass *apic_get_class(void);
+APICCommonClass *apic_get_class(Error **errp);
 
 #endif /* QEMU_APIC_INTERNAL_H */

include/hw/ide/internal.h

@@ -402,6 +402,7 @@ struct IDEState {
     uint8_t select;
     uint8_t status;
 
+    bool io8;
     bool reset_reverts;
 
     /* set for lba48 access */

include/qemu/accel.h

@@ -26,10 +26,10 @@
 #include "qom/object.h"
 #include "exec/hwaddr.h"
 
-typedef struct AccelState {
+struct AccelState {
     /*< private >*/
     Object parent_obj;
-} AccelState;
+};
 
 typedef struct AccelClass {
     /*< private >*/

include/qemu/typedefs.h

@@ -21,6 +21,7 @@
  * Incomplete struct types
  * Please keep this list in case-insensitive alphabetical order.
  */
+typedef struct AccelState AccelState;
 typedef struct AdapterInfo AdapterInfo;
 typedef struct AddressSpace AddressSpace;
 typedef struct AioContext AioContext;

meson.build

@@ -14,8 +14,8 @@ keyval = import('keyval')
 ss = import('sourceset')
 fs = import('fs')
 
+targetos = host_machine.system()
 sh = find_program('sh')
-cc = meson.get_compiler('c')
 config_host = keyval.load(meson.current_build_dir() / 'config-host.mak')
 enable_modules = 'CONFIG_MODULES' in config_host
 enable_static = 'CONFIG_STATIC' in config_host
@@ -23,6 +23,18 @@ enable_static = 'CONFIG_STATIC' in config_host
 # Allow both shared and static libraries unless --enable-static
 static_kwargs = enable_static ? {'static': true} : {}
 
+cc = meson.get_compiler('c')
+all_languages = ['c']
+if add_languages('cpp', required: false, native: false)
+  all_languages += ['cpp']
+  cxx = meson.get_compiler('cpp')
+endif
+if targetos == 'darwin' and \
+   add_languages('objc', required: get_option('cocoa'), native: false)
+  all_languages += ['objc']
+  objc = meson.get_compiler('objc')
+endif
+
 # Temporary directory used for files created while
 # configure runs. Since it is in the build directory
 # we can safely blow away any previous version of it
@@ -58,8 +70,6 @@ if cpu in ['riscv32', 'riscv64']
   cpu = 'riscv'
 endif
 
-targetos = host_machine.system()
-
 target_dirs = config_host['TARGET_DIRS'].split()
 have_linux_user = false
 have_bsd_user = false
@@ -165,7 +175,7 @@ if 'dtrace' in get_option('trace_backends')
     # semaphores are linked into the main binary and not the module's shared
     # object.
     add_global_arguments('-DSTAP_SDT_V2',
-                         native: false, language: ['c', 'cpp', 'objc'])
+                         native: false, language: all_languages)
   endif
 endif
 
@@ -193,10 +203,7 @@ qemu_ldflags += cc.get_supported_link_arguments('-Wl,-z,relro', '-Wl,-z,now')
 
 if targetos == 'windows'
   qemu_ldflags += cc.get_supported_link_arguments('-Wl,--no-seh', '-Wl,--nxcompat')
-  # Disable ASLR for debug builds to allow debugging with gdb
+  qemu_ldflags += cc.get_supported_link_arguments('-Wl,--dynamicbase', '-Wl,--high-entropy-va')
-  if get_option('optimization') == '0'
-    qemu_ldflags += cc.get_supported_link_arguments('-Wl,--dynamicbase')
-  endif
 endif
 
 if get_option('gprof')
@@ -210,7 +217,7 @@ endif
 if get_option('fuzzing')
   add_project_link_arguments(['-Wl,-T,',
                               (meson.current_source_dir() / 'tests/qtest/fuzz/fork_fuzz.ld')],
-                             native: false, language: ['c', 'cpp', 'objc'])
+                             native: false, language: all_languages)
 
   # Specify a filter to only instrument code that is directly related to
   # virtual-devices.
@@ -223,7 +230,7 @@ if get_option('fuzzing')
                  args: ['-fsanitize-coverage-allowlist=/dev/null',
                         '-fsanitize-coverage=trace-pc'] )
     add_global_arguments('-fsanitize-coverage-allowlist=instrumentation-filter',
-                         native: false, language: ['c', 'cpp', 'objc'])
+                         native: false, language: all_languages)
   endif
 
   if get_option('fuzzing_engine') == ''
@@ -232,9 +239,9 @@ if get_option('fuzzing')
     # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
     # unable to bind the fuzzer-related callbacks added by instrumentation.
     add_global_arguments('-fsanitize=fuzzer-no-link',
-                         native: false, language: ['c', 'cpp', 'objc'])
+                         native: false, language: all_languages)
     add_global_link_arguments('-fsanitize=fuzzer-no-link',
-                              native: false, language: ['c', 'cpp', 'objc'])
+                              native: false, language: all_languages)
     # For the actual fuzzer binaries, we need to link against the libfuzzer
     # library. They need to be configurable, to support OSS-Fuzz
     fuzz_exe_ldflags = ['-fsanitize=fuzzer']
@@ -245,15 +252,11 @@ if get_option('fuzzing')
   endif
 endif
 
-add_global_arguments(qemu_cflags, native: false, language: ['c'])
-add_global_arguments(qemu_objcflags, native: false, language: ['objc'])
-
 # Check that the C++ compiler exists and works with the C compiler.
 link_language = 'c'
 linker = cc
 qemu_cxxflags = []
-if add_languages('cpp', required: false, native: false)
+if 'cpp' in all_languages
-  cxx = meson.get_compiler('cpp')
   add_global_arguments(['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'],
                        native: false, language: 'cpp')
   foreach k: qemu_cflags
@@ -262,7 +265,6 @@ if add_languages('cpp', required: false, native: false)
       qemu_cxxflags += [k]
     endif
   endforeach
-  add_global_arguments(qemu_cxxflags, native: false, language: 'cpp')
 
   if cxx.links(files('scripts/main.c'), args: qemu_cflags)
     link_language = 'cpp'
@@ -278,22 +280,21 @@ if targetos != 'sunos' and not config_host.has_key('CONFIG_TSAN')
   qemu_ldflags += linker.get_supported_link_arguments('-Wl,--warn-common')
 endif
 
-add_global_link_arguments(qemu_ldflags, native: false, language: ['c', 'cpp', 'objc'])
+add_global_link_arguments(qemu_ldflags, native: false, language: all_languages)
 
+add_global_arguments(qemu_cflags, native: false, language: 'c')
+add_global_arguments(qemu_cxxflags, native: false, language: 'cpp')
+add_global_arguments(qemu_objcflags, native: false, language: 'objc')
 if targetos == 'linux'
   add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
                         '-isystem', 'linux-headers',
-                        language: ['c', 'cpp'])
+                        language: all_languages)
 endif
 
 add_project_arguments('-iquote', '.',
                       '-iquote', meson.current_source_dir(),
                       '-iquote', meson.current_source_dir() / 'include',
-                      language: ['c', 'cpp', 'objc'])
+                      language: all_languages)
-
-if host_machine.system() == 'darwin'
-  add_languages('objc', required: false, native: false)
-endif
 
 sparse = find_program('cgcc', required: get_option('sparse'))
 if sparse.found()
@@ -476,7 +477,7 @@ if get_option('tcg').allowed()
     tcg_arch = 'ppc'
   endif
   add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
-                        language: ['c', 'cpp', 'objc'])
+                        language: all_languages)
 
   accelerators += 'CONFIG_TCG'
   config_host += { 'CONFIG_TCG': 'y' }
@@ -502,7 +503,7 @@ endif
 # The path to glib.h is added to all compilation commands.  This was
 # grandfathered in from the QEMU Makefiles.
 add_project_arguments(config_host['GLIB_CFLAGS'].split(),
-                      native: false, language: ['c', 'cpp', 'objc'])
+                      native: false, language: all_languages)
 glib = declare_dependency(compile_args: config_host['GLIB_CFLAGS'].split(),
                           link_args: config_host['GLIB_LIBS'].split(),
                           version: config_host['GLIB_VERSION'],
@@ -1727,8 +1728,8 @@ if get_option('cfi')
       error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
     endif
   endif
-  add_global_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
+  add_global_arguments(cfi_flags, native: false, language: all_languages)
-  add_global_link_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
+  add_global_link_arguments(cfi_flags, native: false, language: all_languages)
 endif
 
 have_host_block_device = (targetos != 'darwin' or
@@ -3758,26 +3759,28 @@ endif
 if targetos == 'darwin'
   summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
 endif
-summary_info += {'CFLAGS':            ' '.join(get_option('c_args')
+option_cflags = (get_option('debug') ? ['-g'] : [])
-                                               + ['-O' + get_option('optimization')]
+if get_option('optimization') != 'plain'
-                                               + (get_option('debug') ? ['-g'] : []))}
+  option_cflags += ['-O' + get_option('optimization')]
+endif
+summary_info += {'CFLAGS':            ' '.join(get_option('c_args') + option_cflags)}
 if link_language == 'cpp'
-  summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args')
+  summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args') + option_cflags)}
-                                               + ['-O' + get_option('optimization')]
-                                               + (get_option('debug') ? ['-g'] : []))}
 endif
 if targetos == 'darwin'
-  summary_info += {'OBJCFLAGS':       ' '.join(get_option('objc_args')
+  summary_info += {'OBJCFLAGS':       ' '.join(get_option('objc_args') + option_cflags)}
-                                               + ['-O' + get_option('optimization')]
-                                               + (get_option('debug') ? ['-g'] : []))}
 endif
 link_args = get_option(link_language + '_link_args')
 if link_args.length() > 0
   summary_info += {'LDFLAGS':         ' '.join(link_args)}
 endif
 summary_info += {'QEMU_CFLAGS':       ' '.join(qemu_cflags)}
-summary_info += {'QEMU_CXXFLAGS':     ' '.join(qemu_cxxflags)}
+if 'cpp' in all_languages
-summary_info += {'QEMU_OBJCFLAGS':    ' '.join(qemu_objcflags)}
+  summary_info += {'QEMU_CXXFLAGS':     ' '.join(qemu_cxxflags)}
+endif
+if 'objc' in all_languages
+  summary_info += {'QEMU_OBJCFLAGS':    ' '.join(qemu_objcflags)}
+endif
 summary_info += {'QEMU_LDFLAGS':      ' '.join(qemu_ldflags)}
 summary_info += {'profiler':          get_option('profiler')}
 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}

qapi/misc-target.json

@@ -329,14 +329,8 @@
 #
 # @flc: true if FLC is supported
 #
-# @section-size: The EPC section size for guest
-#                Redundant with @sections.  Just for backward compatibility.
-#
 # @sections: The EPC sections info for guest (Since: 7.0)
 #
-# Features:
-# @deprecated: Member @section-size is deprecated.  Use @sections instead.
-#
 # Since: 6.2
 ##
 { 'struct': 'SGXInfo',
@@ -344,8 +338,6 @@
             'sgx1': 'bool',
             'sgx2': 'bool',
             'flc': 'bool',
-            'section-size': { 'type': 'uint64',
-                    'features': [ 'deprecated' ] },
             'sections': ['SGXEPCSection']},
    'if': 'TARGET_I386' }
 
@@ -362,7 +354,7 @@
 #
 # -> { "execute": "query-sgx" }
 # <- { "return": { "sgx": true, "sgx1" : true, "sgx2" : true,
-#                  "flc": true,  "section-size" : 96468992,
+#                  "flc": true,
 #                  "sections": [{"node": 0, "size": 67108864},
 #                  {"node": 1, "size": 29360128}]} }
 #
@@ -382,7 +374,7 @@
 #
 # -> { "execute": "query-sgx-capabilities" }
 # <- { "return": { "sgx": true, "sgx1" : true, "sgx2" : true,
-#                  "flc": true, "section-size" : 96468992,
+#                  "flc": true,
 #                  "section" : [{"node": 0, "size": 67108864},
 #                  {"node": 1, "size": 29360128}]} }
 #

qemu-options.hx

@@ -3379,11 +3379,9 @@ DEF("chardev", HAS_ARG, QEMU_OPTION_chardev,
 #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \
         || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
     "-chardev serial,id=id,path=path[,mux=on|off][,logfile=PATH][,logappend=on|off]\n"
-    "-chardev tty,id=id,path=path[,mux=on|off][,logfile=PATH][,logappend=on|off]\n"
 #endif
 #if defined(__linux__) || defined(__FreeBSD__) || defined(__DragonFly__)
     "-chardev parallel,id=id,path=path[,mux=on|off][,logfile=PATH][,logappend=on|off]\n"
-    "-chardev parport,id=id,path=path[,mux=on|off][,logfile=PATH][,logappend=on|off]\n"
 #endif
 #if defined(CONFIG_SPICE)
     "-chardev spicevmc,id=id,name=name[,debug=debug][,logfile=PATH][,logappend=on|off]\n"
@@ -3398,7 +3396,7 @@ The general form of a character device option is:
 ``-chardev backend,id=id[,mux=on|off][,options]``
     Backend is one of: ``null``, ``socket``, ``udp``, ``msmouse``,
     ``vc``, ``ringbuf``, ``file``, ``pipe``, ``console``, ``serial``,
-    ``pty``, ``stdio``, ``braille``, ``tty``, ``parallel``, ``parport``,
+    ``pty``, ``stdio``, ``braille``, ``parallel``,
     ``spicevmc``, ``spiceport``. The specific backend will determine the
     applicable options.
 
@@ -3622,15 +3620,8 @@ The available backends are:
     Connect to a local BrlAPI server. ``braille`` does not take any
     options.
 
-``-chardev tty,id=id,path=path``
-    ``tty`` is only available on Linux, Sun, FreeBSD, NetBSD, OpenBSD
-    and DragonFlyBSD hosts. It is an alias for ``serial``.
-
-    ``path`` specifies the path to the tty. ``path`` is required.
-
 ``-chardev parallel,id=id,path=path``
   \
-``-chardev parport,id=id,path=path``
     ``parallel`` is only available on Linux, FreeBSD and DragonFlyBSD
     hosts.
 

scripts/ci/org.centos/stream/8/x86_64/configure

@@ -188,7 +188,7 @@
 --enable-tcg \
 --enable-tools \
 --enable-tpm \
---enable-trace-backend=dtrace \
+--enable-trace-backends=dtrace \
 --enable-usb-redir \
 --enable-virtiofsd \
 --enable-vhost-kernel \

scripts/symlink-install-tree.py

@@ -17,7 +17,6 @@ introspect = os.environ.get('MESONINTROSPECT')
 out = subprocess.run([*introspect.split(' '), '--installed'],
                      stdout=subprocess.PIPE, check=True).stdout
 for source, dest in json.loads(out).items():
-    assert os.path.isabs(source)
     bundle_dest = destdir_join('qemu-bundle', dest)
     path = os.path.dirname(bundle_dest)
     try:

target/i386/cpu-sysemu.c

@@ -247,12 +247,16 @@ void x86_cpu_machine_reset_cb(void *opaque)
     cpu_reset(CPU(cpu));
 }
 
-APICCommonClass *apic_get_class(void)
+APICCommonClass *apic_get_class(Error **errp)
 {
     const char *apic_type = "apic";
 
     /* TODO: in-kernel irqchip for hvf */
-    if (kvm_apic_in_kernel()) {
+    if (kvm_enabled()) {
+        if (!kvm_apic_in_kernel()) {
+            error_setg(errp, "KVM does not support userspace APIC");
+            return NULL;
+        }
         apic_type = "kvm-apic";
     } else if (xen_enabled()) {
         apic_type = "xen-apic";
@@ -266,10 +270,13 @@ APICCommonClass *apic_get_class(void)
 void x86_cpu_apic_create(X86CPU *cpu, Error **errp)
 {
     APICCommonState *apic;
-    ObjectClass *apic_class = OBJECT_CLASS(apic_get_class());
+    APICCommonClass *apic_class = apic_get_class(errp);
 
-    cpu->apic_state = DEVICE(object_new_with_class(apic_class));
+    if (!apic_class) {
+        return;
+    }
 
+    cpu->apic_state = DEVICE(object_new_with_class(OBJECT_CLASS(apic_class)));
     object_property_add_child(OBJECT(cpu), "lapic",
                               OBJECT(cpu->apic_state));
     object_unref(OBJECT(cpu->apic_state));

target/i386/cpu.c

@@ -1233,7 +1233,7 @@ FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
         .feat_names = {
             "sgx1", "sgx2", NULL, NULL,
             NULL, NULL, NULL, NULL,
-            NULL, NULL, NULL, NULL,
+            NULL, NULL, NULL, "sgx-edeccssa",
             NULL, NULL, NULL, NULL,
             NULL, NULL, NULL, NULL,
             NULL, NULL, NULL, NULL,
@@ -1273,7 +1273,7 @@ FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
         .feat_names = {
             NULL, "sgx-debug", "sgx-mode64", NULL,
             "sgx-provisionkey", "sgx-tokenkey", NULL, "sgx-kss",
-            NULL, NULL, NULL, NULL,
+            NULL, NULL, "sgx-aex-notify", NULL,
             NULL, NULL, NULL, NULL,
             NULL, NULL, NULL, NULL,
             NULL, NULL, NULL, NULL,

tests/qapi-schema/meson.build

@@ -277,10 +277,6 @@ if build_docs
                                     command: ['perl', '-pe', '$x = chr 13; s/$x$//', '@INPUT@'],
                                     capture: true)
 
-  # "full_path()" needed here to work around
+  test('QAPI rST doc', diff, args: ['-u', qapi_doc_ref_nocr[0], qapi_doc_out_nocr[0]],
-  # https://github.com/mesonbuild/meson/issues/7585
-  test('QAPI rST doc', diff, args: ['-u', qapi_doc_ref_nocr[0].full_path(),
-                                    qapi_doc_out_nocr[0].full_path()],
-       depends: [qapi_doc_ref_nocr, qapi_doc_out_nocr],
        suite: ['qapi-schema', 'qapi-doc'])
 endif

tests/unit/test-cutils.c

@@ -2315,6 +2315,14 @@ static void test_qemu_strtosz_invalid(void)
     g_assert_cmpint(res, ==, 0xbaadf00d);
     g_assert(endptr == str);
 
+    /* No suffixes */
+    str = "0x18M";
+    endptr = NULL;
+    err = qemu_strtosz(str, &endptr, &res);
+    g_assert_cmpint(err, ==, -EINVAL);
+    g_assert_cmpint(res, ==, 0xbaadf00d);
+    g_assert(endptr == str);
+
     /* No negative values */
     str = "-0";
     endptr = NULL;

util/cutils.c

@@ -197,10 +197,8 @@ static int64_t suffix_mul(char suffix, int64_t unit)
  *   fractional portion is truncated to byte
  * - 0x7fEE - hexadecimal, unit determined by @default_suffix
  *
- * The following cause a deprecation warning, and may be removed in the future
- * - 0xabc{kKmMgGtTpP} - hex with scaling suffix
- *
  * The following are intentionally not supported
+ * - hex with scaling suffix, such as 0x20M
  * - octal, such as 08
  * - fractional hex, such as 0x1.8
  * - floating point exponents, such as 1e3
@@ -222,7 +220,6 @@ static int do_strtosz(const char *nptr, const char **end,
     int retval;
     const char *endptr, *f;
     unsigned char c;
-    bool hex = false;
     uint64_t val, valf = 0;
     int64_t mul;
 
@@ -237,17 +234,16 @@ static int do_strtosz(const char *nptr, const char **end,
         goto out;
     }
     if (val == 0 && (*endptr == 'x' || *endptr == 'X')) {
-        /* Input looks like hex, reparse, and insist on no fraction. */
+        /* Input looks like hex; reparse, and insist on no fraction or suffix. */
         retval = qemu_strtou64(nptr, &endptr, 16, &val);
         if (retval) {
             goto out;
         }
-        if (*endptr == '.') {
+        if (*endptr == '.' || suffix_mul(*endptr, unit) > 0) {
             endptr = nptr;
             retval = -EINVAL;
             goto out;
         }
-        hex = true;
     } else if (*endptr == '.') {
         /*
          * Input looks like a fraction.  Make sure even 1.k works
@@ -272,10 +268,6 @@ static int do_strtosz(const char *nptr, const char **end,
     c = *endptr;
     mul = suffix_mul(c, unit);
     if (mul > 0) {
-        if (hex) {
-            warn_report("Using a multiplier suffix on hex numbers "
-                        "is deprecated: %s", nptr);
-        }
         endptr++;
     } else {
         mul = suffix_mul(default_suffix, unit);

util/log.c

@@ -45,7 +45,6 @@ static __thread FILE *thread_file;
 static __thread Notifier qemu_log_thread_cleanup_notifier;
 
 int qemu_loglevel;
-static bool log_append;
 static bool log_per_thread;
 static GArray *debug_regions;
 
@@ -80,13 +79,15 @@ static int log_thread_id(void)
 
 static void qemu_log_thread_cleanup(Notifier *n, void *unused)
 {
-    fclose(thread_file);
+    if (thread_file != stderr) {
-    thread_file = NULL;
+        fclose(thread_file);
+        thread_file = NULL;
+    }
 }
 
 /* Lock/unlock output. */
 
-FILE *qemu_log_trylock(void)
+static FILE *qemu_log_trylock_with_err(Error **errp)
 {
     FILE *logfile;
 
@@ -97,6 +98,9 @@ FILE *qemu_log_trylock(void)
                 = g_strdup_printf(global_filename, log_thread_id());
             logfile = fopen(filename, "w");
             if (!logfile) {
+                error_setg_errno(errp, errno,
+                                 "Error opening logfile %s for thread %d",
+                                 filename, log_thread_id());
                 return NULL;
             }
             thread_file = logfile;
@@ -123,6 +127,11 @@ FILE *qemu_log_trylock(void)
     return logfile;
 }
 
+FILE *qemu_log_trylock(void)
+{
+    return qemu_log_trylock_with_err(NULL);
+}
+
 void qemu_log_unlock(FILE *logfile)
 {
     if (logfile) {
@@ -266,40 +275,61 @@ static bool qemu_set_log_internal(const char *filename, bool changed_name,
 #endif
     qemu_loglevel = log_flags;
 
-    /*
-     * In all cases we only log if qemu_loglevel is set.
-     * Also:
-     *   If per-thread, open the file for each thread in qemu_log_lock.
-     *   If not daemonized we will always log either to stderr
-     *     or to a file (if there is a filename).
-     *   If we are daemonized, we will only log if there is a filename.
-     */
     daemonized = is_daemonized();
-    need_to_open_file = log_flags && !per_thread && (!daemonized || filename);
+    need_to_open_file = false;
+    if (!daemonized) {
+        /*
+         * If not daemonized we only log if qemu_loglevel is set, either to
+         * stderr or to a file (if there is a filename).
+         * If per-thread, open the file for each thread in qemu_log_trylock().
+         */
+        need_to_open_file = qemu_loglevel && !log_per_thread;
+    } else {
+        /*
+         * If we are daemonized, we will only log if there is a filename.
+         */
+        need_to_open_file = filename != NULL;
+    }
 
-    if (logfile && (!need_to_open_file || changed_name)) {
+    if (logfile) {
-        qatomic_rcu_set(&global_file, NULL);
+        fflush(logfile);
-        if (logfile != stderr) {
+        if (changed_name && logfile != stderr) {
             RCUCloseFILE *r = g_new0(RCUCloseFILE, 1);
             r->fd = logfile;
+            qatomic_rcu_set(&global_file, NULL);
             call_rcu(r, rcu_close_file, rcu);
+            logfile = NULL;
         }
-        logfile = NULL;
+    }
+
+    if (log_per_thread && daemonized) {
+        logfile = thread_file;
     }
 
     if (!logfile && need_to_open_file) {
         if (filename) {
-            logfile = fopen(filename, log_append ? "a" : "w");
+            if (log_per_thread) {
-            if (!logfile) {
+                logfile = qemu_log_trylock_with_err(errp);
-                error_setg_errno(errp, errno, "Error opening logfile %s",
+                if (!logfile) {
-                                 filename);
+                    return false;
-                return false;
+                }
+                qemu_log_unlock(logfile);
+            } else {
+                logfile = fopen(filename, "w");
+                if (!logfile) {
+                    error_setg_errno(errp, errno, "Error opening logfile %s",
+                                     filename);
+                    return false;
+                }
             }
             /* In case we are a daemon redirect stderr to logfile */
             if (daemonized) {
                 dup2(fileno(logfile), STDERR_FILENO);
                 fclose(logfile);
-                /* This will skip closing logfile in rcu_close_file. */
+                /*
+                 * This will skip closing logfile in rcu_close_file()
+                 * or qemu_log_thread_cleanup().
+                 */
                 logfile = stderr;
             }
         } else {
@@ -308,9 +338,11 @@ static bool qemu_set_log_internal(const char *filename, bool changed_name,
             logfile = stderr;
         }
 
-        log_append = 1;
+        if (log_per_thread && daemonized) {
-
+            thread_file = logfile;
-        qatomic_rcu_set(&global_file, logfile);
+        } else {
+            qatomic_rcu_set(&global_file, logfile);
+        }
     }
     return true;
 }