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spapr_vscsi: do not allow device hotplug 

We do not implement hotplug in the vscsi bus, but we forgot to
tell qdev about it. The result is that users are able to hotplug
devices in the vscsi bus, the devices appear in qdev, but they
aren't usable by the guest OS unless the user reboots it first.

Setting qbus hotplug_handler to NULL will tell qdev-monitor, via
qbus_is_hotpluggable(), that we do not support hotplug operations
in spapr_vscsi.

Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1862059

Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20200820190635.379657-1-danielhb413@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Daniel Henrique Barboza 2020-08-20 16:06:35 -03:00 committed by David Gibson
parent c02f9892af
commit 64dbe2c8b8
1 changed files with 3 additions and 0 deletions
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3
hw/scsi/spapr_vscsi.c
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@ -1219,6 +1219,9 @@ static void spapr_vscsi_realize(SpaprVioDevice *dev, Error **errp)
scsi_bus_new(&s->bus, sizeof(s->bus), DEVICE(dev),
&vscsi_scsi_info, NULL);
/* ibmvscsi SCSI bus does not allow hotplug. */
qbus_set_hotplug_handler(BUS(&s->bus), NULL);
}
void spapr_vscsi_create(SpaprVioBus *bus)