From: Philippe Mathieu-Daudé
Let vCPUs wait for themselves being ready first, then other ones.
This allows the first thread to starts without the global vcpu
queue (thus &first_cpu) being populated.
Signed-off-by: Philippe Mathieu-Daudé
Signed-off-by: Igor Mammedov
---
accel/tcg/tcg-accel-ops-rr.c | 13 -
1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/accel/tcg/tcg-accel-ops-rr.c b/accel/tcg/tcg-accel-ops-rr.c
index 028b385af9..d9eadd5ec4 100644
--- a/accel/tcg/tcg-accel-ops-rr.c
+++ b/accel/tcg/tcg-accel-ops-rr.c
@@ -197,16 +197,19 @@ static void *rr_cpu_thread_fn(void *arg)
qemu_guest_random_seed_thread_part2(cpu->random_seed);
/* wait for initial kick-off after machine start */
-while (first_cpu->stopped) {
-qemu_cond_wait_bql(first_cpu->halt_cond);
+while (cpu->stopped) {
+CPUState *iter_cpu;
+
+qemu_cond_wait_bql(cpu->halt_cond);
/* process any pending work */
-CPU_FOREACH(cpu) {
-current_cpu = cpu;
-qemu_wait_io_event_common(cpu);
+CPU_FOREACH(iter_cpu) {
+current_cpu = iter_cpu;
+qemu_wait_io_event_common(iter_cpu);
}
}
+g_assert(first_cpu);
rr_start_kick_timer();
cpu = first_cpu;
--
2.43.0
