[dpdk-dev] [PATCH 2/3] power: reset function pointers on unset env
Hajkowski
marcinx.hajkowski at intel.com
Fri Apr 5 18:22:04 CEST 2019
From: Marcin Hajkowski <marcinx.hajkowski at intel.com>
Set all power environment related function pointers to NULL
when unset is being made.
Signed-off-by: Marcin Hajkowski <marcinx.hajkowski at intel.com>
Acked-by: Anatoly Burakov <anatoly.burakov at intel.com>
---
lib/librte_power/rte_power.c | 21 ++++++++++++++++++++-
1 file changed, 20 insertions(+), 1 deletion(-)
diff --git a/lib/librte_power/rte_power.c b/lib/librte_power/rte_power.c
index ed701087d..6b7722727 100644
--- a/lib/librte_power/rte_power.c
+++ b/lib/librte_power/rte_power.c
@@ -27,6 +27,22 @@ rte_power_freq_change_t rte_power_freq_enable_turbo;
rte_power_freq_change_t rte_power_freq_disable_turbo;
rte_power_get_capabilities_t rte_power_get_capabilities;
+static void
+reset_power_function_ptrs(void)
+{
+ rte_power_freqs = NULL;
+ rte_power_get_freq = NULL;
+ rte_power_set_freq = NULL;
+ rte_power_freq_up = NULL;
+ rte_power_freq_down = NULL;
+ rte_power_freq_max = NULL;
+ rte_power_freq_min = NULL;
+ rte_power_turbo_status = NULL;
+ rte_power_freq_enable_turbo = NULL;
+ rte_power_freq_disable_turbo = NULL;
+ rte_power_get_capabilities = NULL;
+}
+
int
rte_power_set_env(enum power_management_env env)
{
@@ -85,8 +101,10 @@ rte_power_set_env(enum power_management_env env)
if (ret == 0)
global_default_env = env;
- else
+ else {
global_default_env = PM_ENV_NOT_SET;
+ reset_power_function_ptrs();
+ }
rte_spinlock_unlock(&global_env_cfg_lock);
return ret;
@@ -97,6 +115,7 @@ rte_power_unset_env(void)
{
rte_spinlock_lock(&global_env_cfg_lock);
global_default_env = PM_ENV_NOT_SET;
+ reset_power_function_ptrs();
rte_spinlock_unlock(&global_env_cfg_lock);
}
--
2.17.2
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