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| H A D | pnv_phb4_pec.c | efa05595 Tue Jun 09 07:23:26 CDT 2020 Markus Armbruster <armbru@redhat.com> pnv/phb4: Delete unused "pnv-phb4-pec-stack" devices
The number of stacks is controlled by property "num-stacks".
pnv_pec_instance_init() creates the maximum supported number, because
the property has not been set then. pnv_pec_realize() realizes only
the wanted number. Works, although it can leave unrealized devices
hanging around in the QOM composition tree. Affects machine powernv9.
Delete the unused devices by making pnv_pec_realize() unparent them.
Visible in "info qom-tree":
/machine (powernv9-machine)
/chip[0] (power9_v2.0-pnv-chip)
[...]
/pec[0] (pnv-phb4-pec)
/stack[0] (pnv-phb4-pec-stack)
[...]
- /stack[1] (pnv-phb4-pec-stack)
- /phb (pnv-phb4)
- /pcie-mmcfg-mmio[0] (qemu:memory-region)
- /root (pnv-phb4-root-port)
- /source (xive-source)
- /stack[2] (pnv-phb4-pec-stack)
- /phb (pnv-phb4)
- /pcie-mmcfg-mmio[0] (qemu:memory-region)
- /root (pnv-phb4-root-port)
- /source (xive-source)
/xscom-pec-0.0-nest[0] (qemu:memory-region)
/xscom-pec-0.0-pci[0] (qemu:memory-region)
/pec[1] (pnv-phb4-pec)
/stack[0] (pnv-phb4-pec-stack)
[...]
/stack[1] (pnv-phb4-pec-stack)
[...]
- /stack[2] (pnv-phb4-pec-stack)
- /phb (pnv-phb4)
- /pcie-mmcfg-mmio[0] (qemu:memory-region)
- /root (pnv-phb4-root-port)
- /source (xive-source)
/xscom-pec-0.1-nest[0] (qemu:memory-region)
/xscom-pec-0.1-pci[0] (qemu:memory-region)
/pec[2] (pnv-phb4-pec)
/stack[0] (pnv-phb4-pec-stack)
[...]
/stack[1] (pnv-phb4-pec-stack)
[...]
/stack[2] (pnv-phb4-pec-stack)
[...]
Cc: Cédric Le Goater <clg@kaod.org>
Cc: David Gibson <david@gibson.dropbear.id.au>
Cc: qemu-ppc@nongnu.org
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20200609122339.937862-12-armbru@redhat.com>
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