diff options
| author | Nicholas Piggin <npiggin@gmail.com> | 2023-08-08 14:19:56 +1000 |
|---|---|---|
| committer | Cédric Le Goater <clg@kaod.org> | 2023-09-06 11:19:33 +0200 |
| commit | 9db680f8fd483521597564b52843151991b3ed55 (patch) | |
| tree | 0c5f723332d1f3c24202f958b73084fa6bb27583 /hw | |
| parent | cdab53dd223ca5417a70feedb6f8692e5c080aba (diff) | |
| download | qemu-9db680f8fd483521597564b52843151991b3ed55.zip qemu-9db680f8fd483521597564b52843151991b3ed55.tar.gz qemu-9db680f8fd483521597564b52843151991b3ed55.tar.bz2 | |
target/ppc: Fix timebase reset with record-replay
Timebase save uses a random number for a legacy vmstate field, which
makes rr snapshot loading unbalanced. The easiest way to deal with this
is just to skip the rng if record-replay is active.
Reviewed-by: Pavel Dovgalyuk <Pavel.Dovgalyuk@ispras.ru>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/ppc/ppc.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/hw/ppc/ppc.c b/hw/ppc/ppc.c index 1a50704..ace8f4e 100644 --- a/hw/ppc/ppc.c +++ b/hw/ppc/ppc.c @@ -32,6 +32,7 @@ #include "qemu/main-loop.h" #include "qemu/error-report.h" #include "sysemu/kvm.h" +#include "sysemu/replay.h" #include "sysemu/runstate.h" #include "kvm_ppc.h" #include "migration/vmstate.h" @@ -974,8 +975,14 @@ static void timebase_save(PPCTimebase *tb) return; } - /* not used anymore, we keep it for compatibility */ - tb->time_of_the_day_ns = qemu_clock_get_ns(QEMU_CLOCK_HOST); + if (replay_mode == REPLAY_MODE_NONE) { + /* not used anymore, we keep it for compatibility */ + tb->time_of_the_day_ns = qemu_clock_get_ns(QEMU_CLOCK_HOST); + } else { + /* simpler for record-replay to avoid this event, compat not needed */ + tb->time_of_the_day_ns = 0; + } + /* * tb_offset is only expected to be changed by QEMU so * there is no need to update it from KVM here |