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 <philmd@xxxxxxxxxx>
---
accel/tcg/tcg-accel-ops-rr.c | 15 ++++++++-------
1 file changed, 8 insertions(+), 7 deletions(-)
diff --git a/accel/tcg/tcg-accel-ops-rr.c b/accel/tcg/tcg-accel-ops-rr.c
index 028b385af9a..5ad3d617bce 100644
--- a/accel/tcg/tcg-accel-ops-rr.c
+++ b/accel/tcg/tcg-accel-ops-rr.c
@@ -197,20 +197,21 @@ 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;
-
/* process any pending work */
cpu->exit_request = 1;
--
2.47.1
