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a096b3a673
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Alexander Graf a096b3a673 kvmclock: Ensure time in migration never goes backward 
When we migrate we ask the kernel about its current belief on what the guest
time would be. However, I've seen cases where the kvmclock guest structure
indicates a time more recent than the kvm returned time.

To make sure we never go backwards, calculate what the guest would have seen
as time at the point of migration and use that value instead of the kernel
returned one when it's more recent.  This bases the view of the kvmclock
after migration on the same foundation in host as well as guest.

Signed-off-by: Alexander Graf <agraf@suse.de>
Cc: qemu-stable@nongnu.org
Reviewed-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-05-21 12:01:45 +02:00
..
9pfs hw/9pfs: Add include file for exported symbol 2014-05-07 21:00:43 +04:00
acpi acpi/pcihp.c: Rewrite acpi_pcihp_get_bsel using object_property_get_int 2014-05-07 12:13:42 +03:00
alpha exec: Make stq_*_phys input an AddressSpace 2014-02-11 22:57:12 +10:00
arm hw/arm/stellaris: Correct handling of GPTM TAR register 2014-05-13 16:09:39 +01:00
audio migration/next for 20140515 2014-05-15 17:29:03 +01:00
block migration/next for 20140515 2014-05-15 17:29:03 +01:00
bt Preparation for usb-bt-dongle conditional build 2013-09-10 11:14:41 +02:00
char migration/next for 20140515 2014-05-15 17:29:03 +01:00
core savevm: Remove all the unneeded version_minimum_id_old (rest) 2014-05-14 15:24:51 +02:00
cpu icc_bus: QOM'ify ICC 2013-12-24 18:02:18 +01:00
cris cris: Remove the CRIS PIC glue 2014-02-03 14:04:00 +00:00
display migration/next for 20140515 2014-05-15 17:29:03 +01:00
dma migration/next for 20140515 2014-05-15 17:29:03 +01:00
gpio savevm: Remove all the unneeded version_minimum_id_old (arm) 2014-05-13 16:09:35 +01:00
i2c savevm: Remove all the unneeded version_minimum_id_old (rest) 2014-05-14 15:24:51 +02:00
i386 kvmclock: Ensure time in migration never goes backward 2014-05-21 12:01:45 +02:00
ide savevm: Remove all the unneeded version_minimum_id_old (rest) 2014-05-14 15:24:51 +02:00
input migration/next for 20140515 2014-05-15 17:29:03 +01:00
intc migration/next for 20140515 2014-05-15 17:29:03 +01:00
ipack savevm: Remove all the unneeded version_minimum_id_old (rest) 2014-05-14 15:24:51 +02:00
isa PortioList: Store PortioList in device state 2014-05-05 20:58:33 +02:00
lm32 hw/lm32: print error if cpu model is not found 2014-02-04 19:47:39 +01:00
m68k an5206: Don't enforce use of kernel for qtest 2013-11-05 17:47:29 +01:00
microblaze microblaze: boot: Don't hack the elf entry point 2014-05-13 09:12:40 +10:00
mips hw/mips: Add missing 'static' and 'const' attributes 2014-05-07 21:00:43 +04:00
misc migration/next for 20140515 2014-05-15 17:29:03 +01:00
moxie moxie: fix load_elf() usage 2014-03-05 03:06:46 +01:00
net migration/next for 20140515 2014-05-15 17:29:03 +01:00
nvram savevm: Remove all the unneeded version_minimum_id_old (rest) 2014-05-14 15:24:51 +02:00
openrisc openrisc-timer: Reduce overhead, Separate clock update functions 2013-11-20 21:46:45 +08:00
pci pci: add Error-propagating pci_add_capability2() 2014-05-08 14:19:59 -04:00
pci-bridge pci/shpc: convert SHPC hotplug to use hotplug-handler API 2014-02-10 10:27:00 +02:00
pci-host savevm: Remove all the unneeded version_minimum_id_old (rest) 2014-05-14 15:24:51 +02:00
pcmcia qom: Add check() argument to object_property_add_link() 2014-03-19 22:23:13 +01:00
ppc hw: Add missing 'static' attributes 2014-05-07 21:00:43 +04:00
s390x savevm: Remove all the unneeded version_minimum_id_old (rest) 2014-05-14 15:24:51 +02:00
scsi savevm: Remove all the unneeded version_minimum_id_old (rest) 2014-05-14 15:24:51 +02:00
sd savevm: Remove all the unneeded version_minimum_id_old (rest) 2014-05-14 15:24:51 +02:00
sh4 cputlb: Change tlb_flush() argument to CPUState 2014-03-13 19:52:47 +01:00
sparc sun4m: Add Sun CG3 framebuffer initialisation function 2014-02-27 10:01:41 +00:00
sparc64 pc,pci,virtio fixes and cleanups 2013-09-03 12:31:07 -05:00
ssi savevm: Remove all the unneeded version_minimum_id_old (arm) 2014-05-13 16:09:35 +01:00
timer migration/next for 20140515 2014-05-15 17:29:03 +01:00
tpm aio / timers: Untangle include files 2013-08-22 19:10:27 +02:00
unicore32 console: add head to index to qemu consoles. 2014-03-05 09:52:04 +01:00
usb usb: fix up post load checks 2014-05-14 15:24:52 +02:00
virtio virtio: allow mapping up to max queue size 2014-05-12 12:07:21 +03:00
watchdog PortioList: Store PortioList in device state 2014-05-05 20:58:33 +02:00
xen trivial patches for 2014-05-07 2014-05-07 18:38:39 +01:00
xenpv xen: move Xen PV machine files to hw/xenpv 2014-05-07 16:14:50 +00:00
xtensa hw/xtensa: add support for ML605 and KC705 FPGA board 2014-02-24 04:47:01 +04:00
Makefile.objs hw/9pfs: Include virtio-9p-device.o in build 2014-03-04 09:20:49 +05:30