current x86 power monitor implementation fails on platforms
with only monitor supported and not power_pause.
Signed-off-by: Sivaprasad Tummala <sivaprasad.tumm...@amd.com>
---
lib/eal/x86/rte_power_intrinsics.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/lib/eal/x86/rte_power_intrinsics.c
b/lib/eal/x86/rte_power_intrinsics.c
index f749da9b85..6eb9e50807 100644
--- a/lib/eal/x86/rte_power_intrinsics.c
+++ b/lib/eal/x86/rte_power_intrinsics.c
@@ -30,6 +30,7 @@ __umwait_wakeup(volatile void *addr)
static bool wait_supported;
static bool wait_multi_supported;
+static bool monitor_supported;
static inline uint64_t
__get_umwait_val(const volatile void *p, const uint8_t sz)
@@ -81,7 +82,7 @@ rte_power_monitor(const struct rte_power_monitor_cond *pmc,
uint64_t cur_value;
/* prevent user from running this instruction if it's not supported */
- if (!wait_supported)
+ if (!monitor_supported)
return -ENOTSUP;
/* prevent non-EAL thread from using this API */
@@ -170,6 +171,8 @@ RTE_INIT(rte_power_intrinsics_init) {
wait_supported = 1;
if (i.power_monitor_multi)
wait_multi_supported = 1;
+ if (i.power_monitor)
+ monitor_supported = 1;
}
int
@@ -178,7 +181,7 @@ rte_power_monitor_wakeup(const unsigned int lcore_id)
struct power_wait_status *s;
/* prevent user from running this instruction if it's not supported */
- if (!wait_supported)
+ if (!monitor_supported)
return -ENOTSUP;
/* prevent buffer overrun */
--
2.34.1
