FINISHED state seems to be used to indicate that the worker's update
of the 'state' is not visible to other threads. There seems to be no
requirement to have such a state.

Signed-off-by: Honnappa Nagarahalli <honnappa.nagaraha...@arm.com>
Reviewed-by: Ola Liljedahl <ola.liljed...@arm.com>
---
 drivers/event/dpaa2/dpaa2_eventdev_selftest.c | 2 +-
 drivers/event/octeontx/ssovf_evdev_selftest.c | 2 +-
 drivers/event/sw/sw_evdev_selftest.c          | 4 ++--
 examples/l2fwd-keepalive/main.c               | 2 +-
 lib/librte_eal/common/eal_common_launch.c     | 7 ++-----
 lib/librte_eal/freebsd/eal_thread.c           | 2 +-
 lib/librte_eal/linux/eal_thread.c             | 8 +-------
 lib/librte_eal/windows/eal_thread.c           | 8 +-------
 8 files changed, 10 insertions(+), 25 deletions(-)

diff --git a/drivers/event/dpaa2/dpaa2_eventdev_selftest.c 
b/drivers/event/dpaa2/dpaa2_eventdev_selftest.c
index cd7311a94..bbbd20951 100644
--- a/drivers/event/dpaa2/dpaa2_eventdev_selftest.c
+++ b/drivers/event/dpaa2/dpaa2_eventdev_selftest.c
@@ -468,7 +468,7 @@ wait_workers_to_join(int lcore, const rte_atomic32_t *count)
        RTE_SET_USED(count);
 
        print_cycles = cycles = rte_get_timer_cycles();
-       while (rte_eal_get_lcore_state(lcore) != FINISHED) {
+       while (rte_eal_get_lcore_state(lcore) != WAIT) {
                uint64_t new_cycles = rte_get_timer_cycles();
 
                if (new_cycles - print_cycles > rte_get_timer_hz()) {
diff --git a/drivers/event/octeontx/ssovf_evdev_selftest.c 
b/drivers/event/octeontx/ssovf_evdev_selftest.c
index 528f99dd8..d7b0d2211 100644
--- a/drivers/event/octeontx/ssovf_evdev_selftest.c
+++ b/drivers/event/octeontx/ssovf_evdev_selftest.c
@@ -579,7 +579,7 @@ wait_workers_to_join(int lcore, const rte_atomic32_t *count)
        RTE_SET_USED(count);
 
        print_cycles = cycles = rte_get_timer_cycles();
-       while (rte_eal_get_lcore_state(lcore) != FINISHED) {
+       while (rte_eal_get_lcore_state(lcore) != WAIT) {
                uint64_t new_cycles = rte_get_timer_cycles();
 
                if (new_cycles - print_cycles > rte_get_timer_hz()) {
diff --git a/drivers/event/sw/sw_evdev_selftest.c 
b/drivers/event/sw/sw_evdev_selftest.c
index e4bfb3a0f..7847a8645 100644
--- a/drivers/event/sw/sw_evdev_selftest.c
+++ b/drivers/event/sw/sw_evdev_selftest.c
@@ -3138,8 +3138,8 @@ worker_loopback(struct test *t, uint8_t 
disable_implicit_release)
        rte_eal_remote_launch(worker_loopback_worker_fn, t, w_lcore);
 
        print_cycles = cycles = rte_get_timer_cycles();
-       while (rte_eal_get_lcore_state(p_lcore) != FINISHED ||
-                       rte_eal_get_lcore_state(w_lcore) != FINISHED) {
+       while (rte_eal_get_lcore_state(p_lcore) != WAIT ||
+                       rte_eal_get_lcore_state(w_lcore) != WAIT) {
 
                rte_service_run_iter_on_app_lcore(t->service_id, 1);
 
diff --git a/examples/l2fwd-keepalive/main.c b/examples/l2fwd-keepalive/main.c
index e4c2b2793..dd777c46a 100644
--- a/examples/l2fwd-keepalive/main.c
+++ b/examples/l2fwd-keepalive/main.c
@@ -506,7 +506,7 @@ dead_core(__rte_unused void *ptr_data, const int id_core)
        if (terminate_signal_received)
                return;
        printf("Dead core %i - restarting..\n", id_core);
-       if (rte_eal_get_lcore_state(id_core) == FINISHED) {
+       if (rte_eal_get_lcore_state(id_core) == WAIT) {
                rte_eal_wait_lcore(id_core);
                rte_eal_remote_launch(l2fwd_launch_one_lcore, NULL, id_core);
        } else {
diff --git a/lib/librte_eal/common/eal_common_launch.c 
b/lib/librte_eal/common/eal_common_launch.c
index 34f854ad8..78fd94026 100644
--- a/lib/librte_eal/common/eal_common_launch.c
+++ b/lib/librte_eal/common/eal_common_launch.c
@@ -26,14 +26,11 @@ rte_eal_wait_lcore(unsigned worker_id)
        if (lcore_config[worker_id].state == WAIT)
                return 0;
 
-       while (lcore_config[worker_id].state != WAIT &&
-              lcore_config[worker_id].state != FINISHED)
+       while (lcore_config[worker_id].state != WAIT)
                rte_pause();
 
        rte_rmb();
 
-       /* we are in finished state, go to wait state */
-       lcore_config[worker_id].state = WAIT;
        return lcore_config[worker_id].ret;
 }
 
@@ -62,7 +59,7 @@ rte_eal_mp_remote_launch(int (*f)(void *), void *arg,
 
        if (call_main == CALL_MAIN) {
                lcore_config[main_lcore].ret = f(arg);
-               lcore_config[main_lcore].state = FINISHED;
+               lcore_config[main_lcore].state = WAIT;
        }
 
        return 0;
diff --git a/lib/librte_eal/freebsd/eal_thread.c 
b/lib/librte_eal/freebsd/eal_thread.c
index 17b8f3996..6d6f1e2fd 100644
--- a/lib/librte_eal/freebsd/eal_thread.c
+++ b/lib/librte_eal/freebsd/eal_thread.c
@@ -140,7 +140,7 @@ eal_thread_loop(__rte_unused void *arg)
                lcore_config[lcore_id].f = NULL;
                lcore_config[lcore_id].arg = NULL;
                rte_wmb();
-               lcore_config[lcore_id].state = FINISHED;
+               lcore_config[lcore_id].state = WAIT;
        }
 
        /* never reached */
diff --git a/lib/librte_eal/linux/eal_thread.c 
b/lib/librte_eal/linux/eal_thread.c
index a0a009104..7b9463df3 100644
--- a/lib/librte_eal/linux/eal_thread.c
+++ b/lib/librte_eal/linux/eal_thread.c
@@ -141,13 +141,7 @@ eal_thread_loop(__rte_unused void *arg)
                lcore_config[lcore_id].arg = NULL;
                rte_wmb();
 
-               /* when a service core returns, it should go directly to WAIT
-                * state, because the application will not lcore_wait() for it.
-                */
-               if (lcore_config[lcore_id].core_role == ROLE_SERVICE)
-                       lcore_config[lcore_id].state = WAIT;
-               else
-                       lcore_config[lcore_id].state = FINISHED;
+               lcore_config[lcore_id].state = WAIT;
        }
 
        /* never reached */
diff --git a/lib/librte_eal/windows/eal_thread.c 
b/lib/librte_eal/windows/eal_thread.c
index 7a9277c51..35d059a30 100644
--- a/lib/librte_eal/windows/eal_thread.c
+++ b/lib/librte_eal/windows/eal_thread.c
@@ -125,13 +125,7 @@ eal_thread_loop(void *arg __rte_unused)
                lcore_config[lcore_id].arg = NULL;
                rte_wmb();
 
-               /* when a service core returns, it should go directly to WAIT
-                * state, because the application will not lcore_wait() for it.
-                */
-               if (lcore_config[lcore_id].core_role == ROLE_SERVICE)
-                       lcore_config[lcore_id].state = WAIT;
-               else
-                       lcore_config[lcore_id].state = FINISHED;
+               lcore_config[lcore_id].state = WAIT;
        }
 }
 
-- 
2.17.1

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