A CPU knows whether MTTCG is enabled or not because it is reflected in its TCG flags via the CF_PARALLEL bit.
Suggested-by: Alex Bennée <alex.ben...@linaro.org> Signed-off-by: Philippe Mathieu-Daudé <phi...@linaro.org> --- target/riscv/cpu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index 4035fe0e62..4dfa64af6a 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -473,7 +473,7 @@ static void rv64_veyron_v1_cpu_init(Object *obj) static void rv128_base_cpu_init(Object *obj) { - if (qemu_tcg_mttcg_enabled()) { + if (CPU(obj)->tcg_cflags & CF_PARALLEL) { /* Missing 128-bit aligned atomics */ error_report("128-bit RISC-V currently does not work with Multi " "Threaded TCG. Please use: -accel tcg,thread=single"); -- 2.38.1