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vl: warn for unavailable accelerators, clarify messages 

So far, specifying an accelerator that was not compiled in did not result
in an error; fix that.

While at it, clarify the mysterious "Back to TCG" message.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2019-11-13 12:08:38 +01:00
parent 6f6e1698a6
commit 8b90f1c5ac
1 changed files with 6 additions and 1 deletions
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7
vl.c
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@ -2723,6 +2723,8 @@ static int do_configure_accelerator(void *opaque, QemuOpts *opts, Error **errp)
int ret;
if (!ac) {
*p_init_failed = true;
error_report("invalid accelerator %s", acc);
return 0;
}
ret = accel_init_machine(ac, current_machine);
@ -2777,6 +2779,9 @@ static void configure_accelerators(const char *progname)
*/
if (accel_find(*tmp)) {
qemu_opts_parse_noisily(qemu_find_opts("accel"), *tmp, true);
} else {
init_failed = true;
error_report("invalid accelerator %s", *tmp);
}
}
} else {
@ -2796,7 +2801,7 @@ static void configure_accelerators(const char *progname)
if (init_failed) {
AccelClass *ac = ACCEL_GET_CLASS(current_machine->accelerator);
error_report("Back to %s accelerator", ac->name);
error_report("falling back to %s", ac->name);
}
if (use_icount && !(tcg_enabled() || qtest_enabled())) {