@@ -1437,6 +1437,9 @@ static void ppc_spapr_reset(void)
qemu_devices_reset();
spapr_clear_pending_events(spapr);
+ spapr->irq_map_ref = bitmap_new(spapr->nr_irqs);
+ bitmap_copy(spapr->irq_map_ref, spapr->irq_map, spapr->nr_irqs);
+
/*
* We place the device tree and RTAS just below either the top of the RMA,
* or just below 2GB, whichever is lowere, so that it can be
@@ -1706,7 +1709,7 @@ static bool spapr_irq_map_needed(void *opaque)
return false;
}
- return true;
+ return !bitmap_equal(spapr->irq_map, spapr->irq_map_ref, spapr->nr_irqs);
}
static const VMStateDescription vmstate_spapr_irq_map = {
@@ -82,6 +82,7 @@ struct sPAPRMachineState {
struct sPAPRNVRAM *nvram;
int32_t nr_irqs;
unsigned long *irq_map;
+ unsigned long *irq_map_ref;
ICSState *ics;
sPAPRRTCState rtc;
To save some state when the guest is migrated, we capture the IRQ bitmap after all devices have been reseted and store it as a reference for the machine. Signed-off-by: Cédric Le Goater <clg@kaod.org> --- hw/ppc/spapr.c | 5 ++++- include/hw/ppc/spapr.h | 1 + 2 files changed, 5 insertions(+), 1 deletion(-)