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From: Tyler Retzlaff <roretzla@linux.microsoft.com>
To: dev@dpdk.org
Cc: Akhil Goyal <gakhil@marvell.com>,
Anatoly Burakov <anatoly.burakov@intel.com>,
Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>,
Bruce Richardson <bruce.richardson@intel.com>,
Chenbo Xia <chenbo.xia@intel.com>, Ciara Power <ciara.power@intel.com>,
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Tyler Retzlaff <roretzla@linux.microsoft.com>
Subject: [PATCH 01/21] power: fix use of rte stdatomic
Date: Mon, 16 Oct 2023 16:08:45 -0700
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* rte stdatomic functions operate on RTE_ATOMIC(T) specified types not
regular T add missing specifier for amd_pstate_power_info state field
* use rte_memory_order_xxx instead of __ATOMIC_XXX
Fixes: 1ed04d33cf19 ("power: support amd-pstate cpufreq driver")
Cc: sivaprasad.tummala@amd.com
Signed-off-by: Tyler Retzlaff <roretzla@linux.microsoft.com>
---
lib/power/power_amd_pstate_cpufreq.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/lib/power/power_amd_pstate_cpufreq.c b/lib/power/power_amd_pstate_cpufreq.c
index ee58395..dbd9d2b 100644
--- a/lib/power/power_amd_pstate_cpufreq.c
+++ b/lib/power/power_amd_pstate_cpufreq.c
@@ -47,7 +47,7 @@ enum power_state {
*/
struct amd_pstate_power_info {
uint32_t lcore_id; /**< Logical core id */
- uint32_t state; /**< Power in use state */
+ RTE_ATOMIC(uint32_t) state; /**< Power in use state */
FILE *f; /**< FD of scaling_setspeed */
char governor_ori[28]; /**< Original governor name */
uint32_t curr_idx; /**< Freq index in freqs array */
@@ -370,7 +370,7 @@ struct amd_pstate_power_info {
*/
if (!rte_atomic_compare_exchange_strong_explicit(&(pi->state),
&exp_state, POWER_ONGOING,
- __ATOMIC_ACQUIRE, __ATOMIC_RELAXED)) {
+ rte_memory_order_acquire, rte_memory_order_relaxed)) {
RTE_LOG(INFO, POWER, "Power management of lcore %u is "
"in use\n", lcore_id);
return -1;
@@ -408,12 +408,12 @@ struct amd_pstate_power_info {
RTE_LOG(INFO, POWER, "Initialized successfully for lcore %u "
"power management\n", lcore_id);
- rte_atomic_store_explicit(&(pi->state), POWER_USED, __ATOMIC_RELEASE);
+ rte_atomic_store_explicit(&(pi->state), POWER_USED, rte_memory_order_release);
return 0;
fail:
- rte_atomic_store_explicit(&(pi->state), POWER_UNKNOWN, __ATOMIC_RELEASE);
+ rte_atomic_store_explicit(&(pi->state), POWER_UNKNOWN, rte_memory_order_release);
return -1;
}
@@ -448,7 +448,7 @@ struct amd_pstate_power_info {
*/
if (!rte_atomic_compare_exchange_strong_explicit(&(pi->state),
&exp_state, POWER_ONGOING,
- __ATOMIC_ACQUIRE, __ATOMIC_RELAXED)) {
+ rte_memory_order_acquire, rte_memory_order_relaxed)) {
RTE_LOG(INFO, POWER, "Power management of lcore %u is "
"not used\n", lcore_id);
return -1;
@@ -468,12 +468,12 @@ struct amd_pstate_power_info {
RTE_LOG(INFO, POWER, "Power management of lcore %u has exited from "
"'userspace' mode and been set back to the "
"original\n", lcore_id);
- rte_atomic_store_explicit(&(pi->state), POWER_IDLE, __ATOMIC_RELEASE);
+ rte_atomic_store_explicit(&(pi->state), POWER_IDLE, rte_memory_order_release);
return 0;
fail:
- rte_atomic_store_explicit(&(pi->state), POWER_UNKNOWN, __ATOMIC_RELEASE);
+ rte_atomic_store_explicit(&(pi->state), POWER_UNKNOWN, rte_memory_order_release);
return -1;
}
--
1.8.3.1