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migration: migrate icount fields. 

This fixes a bug where qemu_icount and qemu_icount_bias are not migrated.
It adds a subsection "timer/icount" to vmstate_timers so icount is migrated only
when needed.

Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Reviewed-by: Amit Shah <amit.shah@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
KONRAD Frederic 2014-08-01 01:37:10 +02:00 committed by Paolo Bonzini
parent c96778bb84
commit d09eae3726
1 changed files with 27 additions and 0 deletions
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27
cpus.c
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@ -429,6 +429,25 @@ void qemu_clock_warp(QEMUClockType type)
}
}
static bool icount_state_needed(void *opaque)
{
return use_icount;
}
/*
* This is a subsection for icount migration.
*/
static const VMStateDescription icount_vmstate_timers = {
.name = "timer/icount",
.version_id = 1,
.minimum_version_id = 1,
.fields = (VMStateField[]) {
VMSTATE_INT64(qemu_icount_bias, TimersState),
VMSTATE_INT64(qemu_icount, TimersState),
VMSTATE_END_OF_LIST()
}
};
static const VMStateDescription vmstate_timers = {
.name = "timer",
.version_id = 2,
@ -438,6 +457,14 @@ static const VMStateDescription vmstate_timers = {
VMSTATE_INT64(dummy, TimersState),
VMSTATE_INT64_V(cpu_clock_offset, TimersState, 2),
VMSTATE_END_OF_LIST()
},
.subsections = (VMStateSubsection[]) {
{
.vmsd = &icount_vmstate_timers,
.needed = icount_state_needed,
}, {
/* empty */
}
}
};