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c8a7fc5179
qemu/hw/intc
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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
..
allwinner-a10-pic.c hw/intc/allwinner-a10-pic: Handle IRQ levels other than 0 or 1 2023-06-19 11:24:21 +01:00
apic_common.c accel: Remove HAX accelerator 2023-08-31 19:46:43 +02:00
apic.c apic: disable reentrancy detection for apic-msi 2023-04-28 11:31:54 +02:00
arm_gic_common.c hw/intc/arm_gic: Rename 'first_cpu' argument 2023-06-28 14:27:59 +02:00
arm_gic_kvm.c migration: simplify blockers 2023-10-20 08:51:41 +02:00
arm_gic.c arm: spelling fixes 2023-07-25 17:13:53 +03:00
arm_gicv2m.c
arm_gicv3_common.c hw/intc/arm_gic: Un-inline GIC*/ITS class_name() helpers 2023-06-28 14:27:59 +02:00
arm_gicv3_cpuif_common.c
arm_gicv3_cpuif.c target/arm: Mark up sysregs for HFGRTR bits 36..63 2023-02-03 12:59:23 +00:00
arm_gicv3_dist.c bulk: Rename TARGET_FMT_plx -> HWADDR_FMT_plx 2023-01-18 11:14:34 +01:00
arm_gicv3_its_common.c hw/intc/arm_gic: Un-inline GIC*/ITS class_name() helpers 2023-06-28 14:27:59 +02:00
arm_gicv3_its_kvm.c migration: simplify blockers 2023-10-20 08:51:41 +02:00
arm_gicv3_its.c hw/intc/arm_gicv3_its: Avoid shadowing variable in do_process_its_cmd() 2023-09-29 10:07:18 +02:00
arm_gicv3_kvm.c migration: simplify blockers 2023-10-20 08:51:41 +02:00
arm_gicv3_redist.c arm: spelling fixes 2023-07-25 17:13:53 +03:00
arm_gicv3.c
armv7m_nvic.c arm: spelling fixes 2023-07-25 17:13:53 +03:00
aspeed_vic.c
bcm2835_ic.c
bcm2836_control.c
etraxfs_pic.c
exynos4210_combiner.c bulk: Rename TARGET_FMT_plx -> HWADDR_FMT_plx 2023-01-18 11:14:34 +01:00
exynos4210_gic.c
gic_internal.h
gicv3_internal.h
goldfish_pic.c
grlib_irqmp.c
heathrow_pic.c hw/ppc/mac.h: Rename to include/hw/nvram/mac_nvram.h 2022-10-31 18:48:23 +00:00
i8259_common.c hw/intc/i8259: Implement legacy LTIM Edge/Level Bank Select 2023-03-08 00:37:48 +01:00
i8259.c hw/intc/i8259: Implement legacy LTIM Edge/Level Bank Select 2023-03-08 00:37:48 +01:00
imx_avic.c
imx_gpcv2.c
intc.c
ioapic_common.c hw: Move ioapic*.h to intc/ 2023-02-27 22:29:01 +01:00
ioapic_internal.h hw: Move ioapic*.h to intc/ 2023-02-27 22:29:01 +01:00
ioapic.c hw/intc/ioapic: Update KVM routes before redelivering IRQ, on RTE update 2023-03-15 11:52:25 +01:00
Kconfig s390x: Fix QEMU abort by selecting S390_FLIC_KVM 2023-07-18 09:36:27 +02:00
kvm_irqcount.c hw/intc: Extract the IRQ counting functions into a separate file 2023-01-13 16:22:57 +01:00
loongarch_extioi.c hw/other: spelling fixes 2023-09-21 11:31:16 +03:00
loongarch_ipi.c hw/intc: Set physical cpuid route for LoongArch ipi device 2023-06-16 17:58:46 +08:00
loongarch_pch_msi.c hw/intc/loongarch_pch_msi: add irq number property 2023-01-06 10:54:20 +08:00
loongarch_pch_pic.c hw/intc/loongarch_pch: fix edge triggered irq handling 2023-08-24 11:17:59 +08:00
loongson_liointc.c hw/other: spelling fixes 2023-09-21 11:31:16 +03:00
m68k_irqc.c
meson.build meson: Replace softmmu_ss -> system_ss 2023-06-20 10:01:30 +02:00
mips_gic.c accel/tcg: Replace CPUState.env_ptr with cpu_env() 2023-10-04 11:03:54 -07:00
nios2_vic.c
omap_intc.c hw/other: spelling fixes 2023-09-21 11:31:16 +03:00
ompic.c
openpic_kvm.c
openpic.c hw/intc/openpic: Clean up local variable shadowing 2023-09-29 10:07:17 +02:00
pl190.c
pnv_xive2_regs.h pnv/xive2: Add definition for the ESB cache configuration register 2023-06-10 10:19:24 -03:00
pnv_xive2.c ppc/xive: Use address_space routines to access the machine RAM 2023-09-06 11:19:33 +02:00
pnv_xive_regs.h ppc/xive: Handle END triggers between chips with MMIOs 2023-09-06 11:19:33 +02:00
pnv_xive.c hw/other: spelling fixes 2023-09-21 11:31:16 +03:00
ppc-uic.c
realview_gic.c
riscv_aclint.c accel/tcg: Replace CPUState.env_ptr with cpu_env() 2023-10-04 11:03:54 -07:00
riscv_aplic.c target/riscv: move KVM only files to kvm subdir 2023-10-12 12:20:24 +10:00
riscv_imsic.c accel/tcg: Replace CPUState.env_ptr with cpu_env() 2023-10-04 11:03:54 -07:00
rx_icu.c
s390_flic_kvm.c s390x: spelling fixes 2023-07-25 17:13:45 +03:00
s390_flic.c
sh_intc.c
sifive_plic.c hw/intc: sifive_plic: Fix the pending register range check 2023-01-06 10:42:55 +10:00
slavio_intctl.c
spapr_xive_kvm.c hw/other: spelling fixes 2023-09-21 11:31:16 +03:00
spapr_xive.c hw/other: spelling fixes 2023-09-21 11:31:16 +03:00
trace-events pnv/xive: Print CPU target in all TIMA traces 2023-07-07 04:46:12 -03:00
trace.h
vgic_common.h
xics_kvm.c
xics_pnv.c
xics_spapr.c
xics.c hw/intc/xics: Convert TYPE_ICS to 3-phase reset 2022-12-16 15:59:07 +00:00
xilinx_intc.c hw/intc/xilinx_intc: Use 'XpsIntc' typedef instead of 'struct xlx_pic' 2023-01-12 17:15:09 +00:00
xive2.c hw/other: spelling fixes 2023-09-21 11:31:16 +03:00
xive.c hw/other: spelling fixes 2023-09-21 11:31:16 +03:00
xlnx-pmu-iomod-intc.c
xlnx-zynqmp-ipi.c