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xqemu/hw/ppc
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Laurent Vivier e806b4db14 spapr: fix migration to pseries machine < 2.8 
since commit 5c4537bd ("spapr: Fix 2.7<->2.8 migration of PCI host bridge"),
some migration fields are forged from the new ones in spapr_pci_pre_save().

It works well, except when the number of MSI devices is 0,
because in this case the function exits immediately.

This fix moves the migration code before the exit code.

The problem can be reproduced with these commands:

source qemu-2.9:

    qemu-system-ppc64 -monitor stdio -M pseries-2.6 -nodefaults -S

destination qemu-2.6:

    qemu-system-ppc64 -monitor stdio -M pseries-2.6 -nodefaults \
                      -incoming tcp:0:4444

on the source:

    migrate tcp:localhost:4444

Destination fails with the following error:

    qemu-system-ppc64: error while loading state for
                       instance 0x0 of device 'spapr_pci'
    qemu-system-ppc64: load of migration failed: Invalid argument

Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
 		2017-07-11 11:04:01 +10:00
..
Makefile.objs ppc/pnv: add initial IPMI sensors for the BMC simulator 2017-04-26 12:41:56 +10:00
e500-ccsr.h ppc: do not use ../ in include files 2013-03-01 13:57:33 +01:00
e500.c shutdown: Add source information to SHUTDOWN and RESET 2017-05-23 13:28:17 +02:00
e500.h target-ppc: Eliminate redundant and incorrect function booke206_page_size_to_tlb 2016-07-01 09:57:01 +10:00
e500plat.c dma: do not depend on kvm_enabled() 2016-05-19 16:42:28 +02:00
fdt.c Move target-* CPU file into a target/ folder 2016-12-20 21:52:12 +01:00
mac.h Clean up ill-advised or unusual header guards 2016-07-12 16:20:46 +02:00
mac_newworld.c ppc: add qemu_vga.ndrv ROM to fw_cfg interface for NewWorld Macs 2017-05-11 09:45:15 +10:00
mac_oldworld.c ppc: add qemu_vga.ndrv ROM to fw_cfg interface for OldWorld Macs 2017-05-11 09:45:15 +10:00
mpc8544_guts.c shutdown: Add source information to SHUTDOWN and RESET 2017-05-23 13:28:17 +02:00
mpc8544ds.c ppc: Clean up includes 2016-01-29 15:07:22 +00:00
pnv.c object: use more specific property type names 2017-06-20 14:31:32 +02:00
pnv_bmc.c ppc/pnv: generate an OEM SEL event on shutdown 2017-04-26 12:41:56 +10:00
pnv_core.c pnv-core: use get_uint() for "core-pir" property 2017-06-20 14:31:33 +02:00
pnv_lpc.c ppc/pnv: enable only one LPC bus 2017-04-26 12:41:55 +10:00
pnv_occ.c ppc/pnv: Add OCC model stub with interrupt support 2017-04-26 12:00:42 +10:00
pnv_psi.c xics: introduce macros for ICP/ICS link properties 2017-06-09 12:12:34 +10:00
pnv_xscom.c kvm: move cpu synchronization code 2017-01-19 22:07:46 +01:00
ppc.c shutdown: Add source information to SHUTDOWN and RESET 2017-05-23 13:28:17 +02:00
ppc4xx_devs.c qemu-common: push cpu.h inclusion out of qemu-common.h 2016-05-19 16:42:29 +02:00
ppc4xx_pci.c qdev: Replace cannot_instantiate_with_device_add_yet with !user_creatable 2017-05-17 10:37:00 -03:00
ppc405.h Remove unused function declarations 2016-09-15 15:32:22 +03:00
ppc405_boards.c clean-up: removed duplicate #includes 2016-10-28 18:17:24 +03:00
ppc405_uc.c shutdown: Add source information to SHUTDOWN and RESET 2017-05-23 13:28:17 +02:00
ppc440_bamboo.c target-ppc: Add MMU model check for booke machines 2017-02-02 09:30:06 +11:00
ppc_booke.c ppc_booke: drop useless assignment 2017-05-07 09:57:51 +03:00
ppce500_spin.c hw/ppc: QOM'ify ppce500_spin.c 2017-01-31 10:10:13 +11:00
prep.c hw/ppc/prep: Remove superfluous call to soundhw_init() 2017-06-30 14:03:31 +10:00
prep_systemio.c prep: add PReP System I/O 2017-01-31 10:10:13 +11:00
rs6000_mc.c prep: add IBM RS/6000 7020 (40p) memory controller 2017-01-31 10:10:13 +11:00
spapr.c spapr: fix bogus function name in comment 2017-07-11 11:04:01 +10:00
spapr_cpu_core.c spapr: prevent QEMU crash when CPU realization fails 2017-06-30 14:03:31 +10:00
spapr_drc.c spapr: Clean up DRC set_isolation_state() path 2017-06-30 14:03:32 +10:00
spapr_events.c spapr: Eliminate DRC 'signalled' state variable 2017-06-30 14:03:32 +10:00
spapr_hcall.c pseries: Move CPU compatibility property to machine 2017-06-30 14:03:31 +10:00
spapr_iommu.c vmstate: error hint for failed equal checks 2017-06-28 11:18:44 +02:00
spapr_ovec.c spapr: replace debug printf with trace points 2017-02-22 11:28:28 +11:00
spapr_pci.c spapr: fix migration to pseries machine < 2.8 2017-07-11 11:04:01 +10:00
spapr_pci_vfio.c Use #include "..." for our own headers, <...> for others 2016-07-12 16:19:16 +02:00
spapr_rng.c hw: explicitly include qemu-common.h and cpu.h 2016-03-22 22:20:17 +01:00
spapr_rtas.c pseries: Correct panic behaviour for pseries machine type 2017-06-08 14:38:18 +10:00
spapr_rtas_ddw.c spapr_pci/spapr_pci_vfio: Support Dynamic DMA Windows (DDW) 2016-07-05 14:31:08 +10:00
spapr_rtc.c ppc/spapr: QOM'ify sPAPRRTCState 2017-04-26 12:00:41 +10:00
spapr_vio.c vmstate: error hint for failed equal checks 2017-06-28 11:18:44 +02:00
trace-events spapr: Clean up handling of DR-indicator 2017-06-08 14:38:26 +10:00
virtex_ml507.c target-ppc: Add MMU model check for booke machines 2017-02-02 09:30:06 +11:00