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accel/tcg: Move mttcg warning to tcg_init_machine

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Delay the warning to tcg_init_machine, because we will
have resolved the CPUClass at that point.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2025-04-04 18:52:36 -07:00
parent d1aa577228
commit 84cde4af08
1 changed files with 14 additions and 7 deletions
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21
accel/tcg/tcg-all.c
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@ -93,7 +93,8 @@ static int tcg_init_machine(MachineState *ms)
# else
bool mttcg_supported = false;
# endif
if (s->mttcg_enabled == ON_OFF_AUTO_AUTO) {
switch (s->mttcg_enabled) {
case ON_OFF_AUTO_AUTO:
/*
* We default to false if we know other options have been enabled
* which are currently incompatible with MTTCG. Otherwise when each
@ -108,12 +109,22 @@ static int tcg_init_machine(MachineState *ms)
*/
if (mttcg_supported && !icount_enabled()) {
s->mttcg_enabled = ON_OFF_AUTO_ON;
max_threads = ms->smp.max_cpus;
} else {
s->mttcg_enabled = ON_OFF_AUTO_OFF;
}
}
if (s->mttcg_enabled == ON_OFF_AUTO_ON) {
break;
case ON_OFF_AUTO_ON:
if (!mttcg_supported) {
warn_report("Guest not yet converted to MTTCG - "
"you may get unexpected results");
}
max_threads = ms->smp.max_cpus;
break;
case ON_OFF_AUTO_OFF:
break;
default:
g_assert_not_reached();
}
#endif
@ -153,10 +164,6 @@ static void tcg_set_thread(Object *obj, const char *value, Error **errp)
if (icount_enabled()) {
error_setg(errp, "No MTTCG when icount is enabled");
} else {
#ifndef TARGET_SUPPORTS_MTTCG
warn_report("Guest not yet converted to MTTCG - "
"you may get unexpected results");
#endif
s->mttcg_enabled = ON_OFF_AUTO_ON;
}
} else if (strcmp(value, "single") == 0) {