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c8a7fc5179
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Steve Sistare c8a7fc5179 migration: simplify blockers 
Modify migrate_add_blocker and migrate_del_blocker to take an Error **
reason.  This allows migration to own the Error object, so that if
an error occurs in migrate_add_blocker, migration code can free the Error
and clear the client handle, simplifying client code.  It also simplifies
the migrate_del_blocker call site.

In addition, this is a pre-requisite for a proposed future patch that would
add a mode argument to migration requests to support live update, and
maintain a list of blockers for each mode.  A blocker may apply to a single
mode or to multiple modes, and passing Error** will allow one Error object
to be registered for multiple modes.

No functional change.

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Tested-by: Michael Galaxy <mgalaxy@akamai.com>
Reviewed-by: Michael Galaxy <mgalaxy@akamai.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <1697634216-84215-1-git-send-email-steven.sistare@oracle.com>
2023-10-20 08:51:41 +02:00
..
9pfs migration: simplify blockers 2023-10-20 08:51:41 +02:00
acpi virtio,pci: features, cleanups 2023-10-05 09:01:01 -04:00
adc meson: Replace softmmu_ss -> system_ss 2023-06-20 10:01:30 +02:00
alpha hw/alpha: Use MachineClass->default_nic in the alpha machine 2023-05-26 09:10:49 +02:00
arm hw/xen: cleanup sourcesets 2023-10-18 10:01:01 +02:00
audio hw/audio/es1370: trace lost interrupts 2023-10-10 12:31:05 +00:00
avr Remove qemu-common.h include from most units 2022-04-06 14:31:55 +02:00
block swim: update IWM/ISM register block decoding 2023-10-06 10:33:43 +02:00
char hw/char: riscv_htif: replace exit calls with proper shutdown 2023-10-12 12:35:36 +10:00
core hw/vfio: add ramfb migration support 2023-10-18 10:10:49 +02:00
cpu hw/other: spelling fixes 2023-09-21 11:31:16 +03:00
cris
cxl hw/cxl: Fix local variable shadowing of cap_hdrs 2023-10-06 10:56:54 +02:00
display migration: simplify blockers 2023-10-20 08:51:41 +02:00
dma hw/other: spelling fixes 2023-09-21 11:31:16 +03:00
gpio hw/gpio/nrf51: implement DETECT signal 2023-08-22 17:30:59 +01:00
hppa target/hppa: Report and clear BTLBs via fw_cfg at startup 2023-09-15 17:34:38 +02:00
hyperv win32: replace closesocket() with close() wrapper 2023-03-13 15:39:31 +04:00
i2c aspeed/i2c: Clean up local variable shadowing 2023-09-29 10:07:19 +02:00
i386 hw/xen: cleanup sourcesets 2023-10-18 10:01:01 +02:00
ide hw/ide/ahci: Clean up local variable shadowing 2023-10-06 13:16:57 +02:00
input audio: propagate Error * out of audio_init 2023-10-03 10:29:40 +02:00
intc migration: simplify blockers 2023-10-20 08:51:41 +02:00
ipack meson: Replace softmmu_ss -> system_ss 2023-06-20 10:01:30 +02:00
ipmi hw/other: spelling fixes 2023-09-21 11:31:16 +03:00
isa hw/acpi/acpi_dev_interface: Remove now unused madt_cpu virtual method 2023-10-04 18:15:05 -04:00
loongarch hw/loongarch/virt: Remove unused 'loongarch_virt_pm' region 2023-10-13 10:04:52 +08:00
m68k q800: add alias for MacOS toolbox ROM at 0x40000000 2023-10-06 10:33:43 +02:00
mem memory-device,vhost: Support automatic decision on the number of memslots 2023-10-12 14:15:22 +02:00
microblaze hw/microblaze: Clean up local variable shadowing 2023-09-29 10:07:16 +02:00
mips vt82c686 machines: Support machine-default audiodev with fallback 2023-10-03 10:29:40 +02:00
misc migration: simplify blockers 2023-10-20 08:51:41 +02:00
net hw/net/vhost_net: Silence compiler warning when compiling with -Wshadow 2023-10-06 10:56:54 +02:00
nios2 hw/nios2: Clean up local variable shadowing 2023-09-29 10:07:16 +02:00
nubus trace-events: Fix the name of the tracing.rst file 2023-09-08 13:08:51 +03:00
nvme hw/nvme: Clean up local variable shadowing in nvme_ns_init() 2023-09-29 10:07:20 +02:00
nvram crypto: only include tls-cipher-suites in emulators 2023-10-03 10:29:39 +02:00
openrisc *: Add missing includes of qemu/error-report.h 2023-03-22 15:06:57 +00:00
pci pcie_sriov: unregister_vfs(): fix error path 2023-10-04 18:15:06 -04:00
pci-bridge hw/pci-bridge/cxl-upstream: Add serial number extended capability support 2023-10-04 18:15:06 -04:00
pci-host pc: remove short_root_bus property 2023-09-29 09:33:10 +02:00
pcmcia meson: Replace softmmu_ss -> system_ss 2023-06-20 10:01:30 +02:00
ppc migration: simplify blockers 2023-10-20 08:51:41 +02:00
rdma hw/rdma: Deprecate the pvrdma device and the rdma subsystem 2023-10-12 14:11:44 +02:00
remote migration: simplify blockers 2023-10-20 08:51:41 +02:00
riscv target/riscv: move KVM only files to kvm subdir 2023-10-12 12:20:24 +10:00
rtc hw/other: spelling fixes 2023-09-21 11:31:16 +03:00
rx hw/other: spelling fixes 2023-09-21 11:31:16 +03:00
s390x migration: simplify blockers 2023-10-20 08:51:41 +02:00
scsi migration: simplify blockers 2023-10-20 08:51:41 +02:00
sd aspeed queue: 2023-09-06 11:14:55 -04:00
sensor hw/i2c: spelling fixes 2023-08-31 19:47:43 +02:00
sh4 hw/other: spelling fixes 2023-09-21 11:31:16 +03:00
smbios hw/acpi: changes towards enabling -Wshadow=local 2023-09-29 10:07:18 +02:00
sparc other architectures: spelling fixes 2023-07-25 17:14:07 +03:00
sparc64 hw/pci/pci: Remove multifunction parameter from pci_new_multifunction() 2023-07-10 18:59:32 -04:00
ssi hw/other: spelling fixes 2023-09-21 11:31:16 +03:00
timer aspeed/timer: Clean up local variable shadowing 2023-09-29 10:07:19 +02:00
tpm hw/tpm: spelling fixes 2023-09-20 07:54:34 +03:00
tricore hw/tricore: Log failing test in testdevice 2023-09-29 08:28:02 +02:00
ufs hw/ufs: Fix code coverity issues 2023-10-13 13:56:28 +09:00
usb hw/usb: Silence compiler warnings in USB code when compiling with -Wshadow 2023-10-06 13:27:48 +02:00
vfio migration: simplify blockers 2023-10-20 08:51:41 +02:00
virtio migration: simplify blockers 2023-10-20 08:51:41 +02:00
watchdog meson: Replace softmmu_ss -> system_ss 2023-06-20 10:01:30 +02:00
xen hw/xen: cleanup sourcesets 2023-10-18 10:01:01 +02:00
xenpv hw/xenpv: Initialize Xen backend operations 2023-03-24 14:52:14 +00:00
xtensa trivial: Simplify the spots that use TARGET_BIG_ENDIAN as a numeric value 2023-09-08 13:08:52 +03:00
Kconfig hw/ufs: Initial commit for emulated Universal-Flash-Storage 2023-09-07 14:01:29 -04:00
meson.build hw/ufs: Initial commit for emulated Universal-Flash-Storage 2023-09-07 14:01:29 -04:00