diff --git a/hw/ppc/ppc.c b/hw/ppc/ppc.c index 7963feeab4..52a18eb7d7 100644 --- a/hw/ppc/ppc.c +++ b/hw/ppc/ppc.c @@ -1011,6 +1011,8 @@ static void timebase_save(PPCTimebase *tb) * there is no need to update it from KVM here */ tb->guest_timebase = ticks + first_ppc_cpu->env.tb_env->tb_offset; + + tb->runstate_paused = runstate_check(RUN_STATE_PAUSED); } static void timebase_load(PPCTimebase *tb) @@ -1054,9 +1056,9 @@ void cpu_ppc_clock_vm_state_change(void *opaque, int running, } /* - * When migrating, read the clock just before migration, - * so that the guest clock counts during the events - * between: + * When migrating a running guest, read the clock just + * before migration, so that the guest clock counts + * during the events between: * * * vm_stop() * * @@ -1071,7 +1073,10 @@ static int timebase_pre_save(void *opaque) { PPCTimebase *tb = opaque; - timebase_save(tb); + /* guest_timebase won't be overridden in case of paused guest */ + if (!tb->runstate_paused) { + timebase_save(tb); + } return 0; } diff --git a/target/ppc/cpu-qom.h b/target/ppc/cpu-qom.h index a2f202f021..5769fb78a9 100644 --- a/target/ppc/cpu-qom.h +++ b/target/ppc/cpu-qom.h @@ -201,6 +201,7 @@ typedef struct PowerPCCPUClass { typedef struct PPCTimebase { uint64_t guest_timebase; int64_t time_of_the_day_ns; + bool runstate_paused; } PPCTimebase; extern const VMStateDescription vmstate_ppc_timebase;