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spapr: Fix machine reset deadlock from replay-record

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When the machine is reset to load a new snapshot while being debugged
with replay-record, it is done from another thread, so the CPU does
not run the register setting operations. Set CPU registers directly in
machine reset.

Cc: Pavel Dovgalyuk <Pavel.Dovgalyuk@ispras.ru>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
This commit is contained in:
Nicholas Piggin 2023-08-08 14:19:57 +10:00 • committed by Cédric Le Goater
parent 9db680f8fd
commit 9c7b7f01f9
4 changed files with 39 additions and 2 deletions
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19
target/ppc/compat.c
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@ -229,6 +229,25 @@ int ppc_set_compat_all(uint32_t compat_pvr, Error **errp)
return 0;
}
/* To be used when the machine is not running */
int ppc_init_compat_all(uint32_t compat_pvr, Error **errp)
{
CPUState *cs;
CPU_FOREACH(cs) {
PowerPCCPU *cpu = POWERPC_CPU(cs);
int ret;
ret = ppc_set_compat(cpu, compat_pvr, errp);
if (ret < 0) {
return ret;
}
}
return 0;
}
int ppc_compat_max_vthreads(PowerPCCPU *cpu)
{
const CompatInfo *compat = compat_by_pvr(cpu->compat_pvr);