[PATCH v5 2/3] eal: removed unnecessary checks in x86 power monitor APIs

[Sivaprasad Tummala]

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>
Acked-by: Anatoly Burakov <anatoly.bura...@intel.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