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s390x: deprecate s390-squash-mcss machine prop

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With the cssids unrestricted (commit "s390x/css: unrestrict cssids") the
s390-squash-mcss machine property should not be used.  Actually Libvirt
never supported this, so the expectation is that removing it should be
pretty painless.  But let's play nice and deprecate it first.

Signed-off-by: Halil Pasic <pasic@linux.vnet.ibm.com>
Message-Id: <20171206144438.28908-3-pasic@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
This commit is contained in:
Halil Pasic 2017-12-06 15:44:38 +01:00 • committed by Cornelia Huck
parent 99577c492f
commit d69969e55f
3 changed files with 21 additions and 2 deletions
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7
hw/s390x/s390-virtio-ccw.c
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@ -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);