mirror of https://github.com/proxmox/mirror_qemu
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>master
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cdab53dd22
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9db680f8fd
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@ -32,6 +32,7 @@
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#include "qemu/main-loop.h"
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#include "qemu/error-report.h"
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#include "sysemu/kvm.h"
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#include "sysemu/replay.h"
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#include "sysemu/runstate.h"
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#include "kvm_ppc.h"
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#include "migration/vmstate.h"
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@ -974,8 +975,14 @@ static void timebase_save(PPCTimebase *tb)
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return;
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}
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if (replay_mode == REPLAY_MODE_NONE) {
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/* not used anymore, we keep it for compatibility */
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tb->time_of_the_day_ns = qemu_clock_get_ns(QEMU_CLOCK_HOST);
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} else {
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/* simpler for record-replay to avoid this event, compat not needed */
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tb->time_of_the_day_ns = 0;
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}
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/*
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* tb_offset is only expected to be changed by QEMU so
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* there is no need to update it from KVM here
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