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qemu/include/hw
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Pavel Butsykin 55289fb036 virtio-serial: add enable_backend callback 
We should guarantee that RAM will not be modified while VM has a stopped
state, otherwise it can lead to negative consequences during post-copy
migration. In RUN_STATE_FINISH_MIGRATE step, it's expected that RAM on
source side will not be modified as this could lead to non-consistent vm state
on the destination side. Also RAM access during postcopy-ram migration with
enabled release-ram capability can lead to sad consequences.

Let's add enable_backend() callback to avoid undesirable virtioqueue changes
in the guest memory.

Signed-off-by: Pavel Butsykin <pbutsykin@virtuozzo.com>
Message-Id: <20170919120733.22020-1-pbutsykin@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-09-21 11:51:49 +02:00
..
acpi vmgenid: replace x-write-pointer-available hack 2017-09-08 16:15:17 +03:00
adc STM32F2xx: Add the ADC device 2016-10-04 13:28:07 +01:00
arm arm: drop intermediate cpu_model -> cpu type parsing and use cpu type directly 2017-09-19 09:09:32 -03:00
audio audio: Rename hw/audio/audio.h to hw/audio/soundhw.h 2017-05-19 10:48:54 +02:00
block hw/block: Introduce share-rw qdev property 2017-02-28 20:40:36 +01:00
char hw/char/cmsdk-apb-uart.c: Implement CMSDK APB UART 2017-07-17 13:36:08 +01:00
core generic-loader: Add a generic loader 2016-10-04 13:28:09 +01:00
cpu qapi: keep names in 'CpuInstanceProperties' in sync with struct CPUCore 2016-06-27 13:15:06 +10:00
cris char: rename CharDriverState Chardev 2017-01-27 18:07:59 +01:00
display Clean up decorations and whitespace around header guards 2016-07-12 16:20:46 +02:00
dma include: Fix typos found by codespell 2017-01-24 23:26:52 +03:00
gpio bcm2835_gpio: add bcm2835 gpio controller 2017-02-28 17:10:00 +00:00
i2c ppc4xx_i2c: QOMify 2017-09-08 09:30:55 +10:00
i386 i386/cpu/hyperv: support over 64 vcpus for windows guests 2017-09-19 16:20:49 +02:00
ide scsi: move block/scsi.h to include/scsi/constants.h 2017-09-19 14:09:31 +02:00
input ps2: add and use PS2State typedef 2017-06-23 11:51:50 +02:00
intc nvic: Add NS alias SCS region 2017-09-07 13:54:53 +01:00
ipack ipack: Update e-mail address 2016-05-18 15:04:27 +03:00
ipmi ipmi: introduce an ipmi_bmc_gen_event() API 2017-04-26 12:41:55 +10:00
isa isa: use get_uint() for "io-base" 2017-06-20 14:31:32 +02:00
kvm
lm32 intc: make HMP 'info irq' and 'info pic' commands use InterruptStatsProvider interface 2016-10-04 10:00:25 +02:00
m68k hw/char/mcf_uart: QOMify the ColdFire UART 2017-02-16 14:06:56 +01:00
mem qmp: introduce query-memory-size-summary command 2017-09-14 15:52:10 +01:00
mips mips: Add KVM T&E segment support for TCG 2017-08-02 22:18:06 +01:00
misc hw/misc/mps2_scc: Implement MPS2 Serial Communication Controller 2017-07-17 13:36:08 +01:00
net net/ftgmac100: add a 'aspeed' property 2017-04-25 19:17:25 +08:00
nvram fw_cfg: rename read callback 2017-09-08 16:15:17 +03:00
pci net: Add SunGEM device emulation as found on Apple UniNorth 2017-09-15 10:29:48 +10:00
pci-host hw/pci-host/gpex: Set INTx index/gsi mapping 2017-09-14 18:43:18 +01:00
ppc ppc/xive: fix OV5_XIVE_EXPLOIT bits 2017-09-15 10:29:48 +10:00
s390x s390x: move sclp_service_call() to sclp.h 2017-09-19 18:31:31 +02:00
scsi scsi: move non-emulation specific code to scsi/ 2017-09-19 14:09:11 +02:00
sd hw/sd: add card-reparenting function 2017-02-28 17:10:00 +00:00
sh4 char: rename CharDriverState Chardev 2017-01-27 18:07:59 +01:00
smbios smbios: filter based on CONFIG_SMBIOS rather than TARGET 2017-01-16 17:52:34 +01:00
sparc char: rename CharDriverState Chardev 2017-01-27 18:07:59 +01:00
ssi aspeed/smc: handle SPI flash Command mode 2017-01-20 11:15:08 +00:00
timer hw/char/cmsdk-apb-timer: Implement CMSDK APB timer device 2017-07-17 13:36:08 +01:00
tricore Clean up header guards that don't match their file name 2016-07-12 16:19:16 +02:00
unicore32 Clean up decorations and whitespace around header guards 2016-07-12 16:20:46 +02:00
usb Clean up decorations and whitespace around header guards 2016-07-12 16:20:46 +02:00
vfio memory/iommu: QOM'fy IOMMU MemoryRegion 2017-07-14 12:04:41 +02:00
virtio virtio-serial: add enable_backend callback 2017-09-21 11:51:49 +02:00
watchdog watchdog: wdt_aspeed: Add support for the reset width register 2017-09-04 15:21:54 +01:00
xen xen: don't use xenstore to save/restore physmap anymore 2017-07-18 14:16:52 -07:00
boards.h numa: cpu: calculate/set default node-ids after all -numa CLI options are parsed 2017-09-19 16:51:33 -03:00
bt.h char: rename CharDriverState Chardev 2017-01-27 18:07:59 +01:00
compat.h vmgenid: replace x-write-pointer-available hack 2017-09-08 16:15:17 +03:00
devices.h sm501: QOMify 2017-04-24 12:32:12 +01:00
elf_ops.h loader: Ignore zero-sized ELF segments 2017-09-04 15:21:53 +01:00
empty_slot.h Clean up decorations and whitespace around header guards 2016-07-12 16:20:46 +02:00
fw-path-provider.h Clean up decorations and whitespace around header guards 2016-07-12 16:20:46 +02:00
hotplug.h qdev: hotplug: drop HotplugHandler.post_plug callback 2016-11-15 17:20:37 +02:00
hw.h migration: Split qemu-file.h 2017-06-01 18:49:22 +02:00
ide.h xen-platform: add missing disk unplug option 2017-01-27 15:23:29 -08:00
irq.h irq: Remove qemu_irq_intercept_out 2014-10-23 16:41:25 +02:00
loader-fit.h loader: Support Flattened Image Trees (FIT images) 2017-02-21 23:47:40 +00:00
loader.h fw_cfg: rename read callback 2017-09-08 16:15:17 +03:00
nmi.h Clean up decorations and whitespace around header guards 2016-07-12 16:20:46 +02:00
or-irq.h irq: Add a new irq device that allows the ORing of lines 2016-10-04 13:28:07 +01:00
pcmcia.h Clean up decorations and whitespace around header guards 2016-07-12 16:20:46 +02:00
platform-bus.h Clean up decorations and whitespace around header guards 2016-07-12 16:20:46 +02:00
ptimer.h include/hw/ptimer.h: Add documentation comments 2017-07-11 17:44:27 +03:00
qdev-core.h qapi: Change data type of the FOO_lookup generated for enum FOO 2017-09-04 13:09:13 +02:00
qdev-dma.h qdev: Remove hex8/32/64 property types 2014-02-14 21:12:04 +01:00
qdev-properties.h qdev: provide DEFINE_PROP_INT64() 2017-07-18 17:36:19 +02:00
qdev.h
register.h hw/registerfields.h: Pull FIELD etc macros out of hw/register.h 2017-01-27 15:20:21 +00:00
registerfields.h hw/registerfields.h: Pull FIELD etc macros out of hw/register.h 2017-01-27 15:20:21 +00:00
stream.h Clean up decorations and whitespace around header guards 2016-07-12 16:20:46 +02:00
sysbus.h sysbus: Remove ignored return value of FindSysbusDeviceFunc 2016-09-27 17:03:34 -03:00
usb.h usb: replace handle_destroy with unrealize 2017-02-23 15:40:19 +01:00