diff options
| -rw-r--r-- | hw/s390x/s390-virtio-ccw.c | 7 | ||||
| -rw-r--r-- | qemu-doc.texi | 8 | ||||
| -rw-r--r-- | qemu-options.hx | 8 |
3 files changed, 21 insertions, 2 deletions
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c index 5d4aaaf158..fe3f3b2ad6 100644 --- a/hw/s390x/s390-virtio-ccw.c +++ b/hw/s390x/s390-virtio-ccw.c @@ -308,6 +308,11 @@ static void ccw_init(MachineState *machine) } else { ret = css_create_css_image(VIRTUAL_CSSID, true); } + if (qemu_opt_get(qemu_get_machine_opts(), "s390-squash-mcss")) { + warn_report("The machine property 's390-squash-mcss' is deprecated" + " (obsoleted by lifting the cssid restrictions)."); + } + assert(ret == 0); if (css_migration_enabled()) { css_register_vmstate(); @@ -582,7 +587,7 @@ static inline void s390_machine_initfn(Object *obj) object_property_add_bool(obj, "s390-squash-mcss", machine_get_squash_mcss, machine_set_squash_mcss, NULL); - object_property_set_description(obj, "s390-squash-mcss", + object_property_set_description(obj, "s390-squash-mcss", "(deprecated) " "enable/disable squashing subchannels into the default css", NULL); object_property_set_bool(obj, false, "s390-squash-mcss", NULL); diff --git a/qemu-doc.texi b/qemu-doc.texi index ee206b8cba..f7317dfc66 100644 --- a/qemu-doc.texi +++ b/qemu-doc.texi @@ -2501,6 +2501,14 @@ enabled via the ``-machine usb=on'' argument. The ``-nodefconfig`` argument is a synonym for ``-no-user-config``. +@subsection -machine s390-squash-mcss=on|off (since 2.12.0) + +The ``s390-squash-mcss=on`` property has been obsoleted by allowing the +cssid to be chosen freely. Instead of squashing subchannels into the +default channel subsystem image for guests that do not support multiple +channel subsystems, all devices can be put into the default channel +subsystem image. + @section qemu-img command line arguments @subsection convert -s (since 2.0.0) diff --git a/qemu-options.hx b/qemu-options.hx index f11c4ac960..fe0c29271f 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -43,7 +43,7 @@ DEF("machine", HAS_ARG, QEMU_OPTION_machine, \ " suppress-vmdesc=on|off disables self-describing migration (default=off)\n" " nvdimm=on|off controls NVDIMM support (default=off)\n" " enforce-config-section=on|off enforce configuration section migration (default=off)\n" - " s390-squash-mcss=on|off controls support for squashing into default css (default=off)\n", + " s390-squash-mcss=on|off (deprecated) controls support for squashing into default css (default=off)\n", QEMU_ARCH_ALL) STEXI @item -machine [type=]@var{name}[,prop=@var{value}[,...]] @@ -98,6 +98,12 @@ Enables or disables NVDIMM support. The default is off. @item s390-squash-mcss=on|off Enables or disables squashing subchannels into the default css. The default is off. +NOTE: This property is deprecated and will be removed in future releases. +The ``s390-squash-mcss=on`` property has been obsoleted by allowing the +cssid to be chosen freely. Instead of squashing subchannels into the +default channel subsystem image for guests that do not support multiple +channel subsystems, all devices can be put into the default channel +subsystem image. @item enforce-config-section=on|off If @option{enforce-config-section} is set to @var{on}, force migration code to send configuration section even if the machine-type sets the |