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From: Sivaprasad Tummala <sivaprasad.tummala@amd.com>
To: <david.hunt@intel.com>
Cc: <dev@dpdk.org>, <david.marchand@redhat.com>, <ferruh.yigit@amd.com>
Subject: [PATCH v4 3/4] eal: removed unnecessary checks in x86 power monitor APIs
Date: Tue, 18 Apr 2023 01:25:28 -0700	[thread overview]
Message-ID: <20230418082529.544777-4-sivaprasad.tummala@amd.com> (raw)
In-Reply-To: <20230418082529.544777-1-sivaprasad.tummala@amd.com>

current x86 power monitor implementation fails on platforms
with only monitor supported and not power_pause.

Signed-off-by: Sivaprasad Tummala <sivaprasad.tummala@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


  parent reply	other threads:[~2023-04-18  8:26 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-04-13 11:53 [PATCH v2 1/3] eal: add x86 cpuid support for monitorx Sivaprasad Tummala
2023-04-13 11:53 ` [PATCH v2 2/3] doc: announce new cpu flag added to rte_cpu_flag_t Sivaprasad Tummala
2023-04-17  4:31   ` [PATCH v3 1/4] " Sivaprasad Tummala
2023-04-18  8:14     ` [PATCH v4 0/4] power: monitor support for AMD EPYC processors Sivaprasad Tummala
2023-04-18  8:25     ` Sivaprasad Tummala
2023-04-18  8:25       ` [PATCH v4 1/4] doc: announce new cpu flag added to rte_cpu_flag_t Sivaprasad Tummala
2023-04-18  8:52         ` Ferruh Yigit
2023-04-18  9:22           ` Bruce Richardson
2023-06-01  9:23             ` David Marchand
2023-07-05 11:32         ` Konstantin Ananyev
2023-08-16 18:59         ` [PATCH v5 1/3] eal: add x86 cpuid support for monitorx Sivaprasad Tummala
2023-08-16 18:59           ` [PATCH v5 2/3] eal: removed unnecessary checks in x86 power monitor APIs Sivaprasad Tummala
2023-08-16 18:59           ` [PATCH v5 3/3] power: amd power monitor support Sivaprasad Tummala
2023-08-16 19:27             ` Tyler Retzlaff
2023-08-17 11:34               ` Tummala, Sivaprasad
2023-08-17 14:18                 ` Konstantin Ananyev
2023-08-18 13:25                   ` Ferruh Yigit
2023-08-18 13:48                     ` Bruce Richardson
2023-08-21 15:42                       ` Tyler Retzlaff
2023-08-22 22:30                       ` Konstantin Ananyev
2023-08-23  9:19                         ` Ferruh Yigit
2023-08-23 16:03                           ` Tyler Retzlaff
2023-08-24  9:04                             ` Ferruh Yigit
2023-08-25 16:00                               ` Tyler Retzlaff
2023-08-30 22:45                                 ` Konstantin Ananyev
2023-09-27 10:38                                   ` Tummala, Sivaprasad
2023-09-28 10:11                                     ` Konstantin Ananyev
2023-10-06  8:26             ` David Marchand
2023-10-09  8:02               ` Tummala, Sivaprasad
2023-10-09 14:05             ` [PATCH v6 1/3] eal: add x86 cpuid support for monitorx Sivaprasad Tummala
2023-10-09 14:05               ` [PATCH v6 2/3] eal: removed unnecessary checks in x86 power monitor APIs Sivaprasad Tummala
2023-10-09 14:05               ` [PATCH v6 3/3] power: amd power monitor support Sivaprasad Tummala
2023-10-10  8:59                 ` David Marchand
2023-10-11  9:33                   ` Tummala, Sivaprasad
2023-10-10 10:14                 ` Konstantin Ananyev
2023-10-09 16:23               ` [PATCH v6 1/3] eal: add x86 cpuid support for monitorx Patrick Robb
2023-10-10  8:21                 ` David Marchand
2023-04-18  8:25       ` [PATCH v4 2/4] " Sivaprasad Tummala
2023-06-14 13:15         ` Burakov, Anatoly
2023-04-18  8:25       ` Sivaprasad Tummala [this message]
2023-06-14 13:14         ` [PATCH v4 3/4] eal: removed unnecessary checks in x86 power monitor APIs Burakov, Anatoly
2023-04-18  8:25       ` [PATCH v4 4/4] power: amd power monitor support Sivaprasad Tummala
2023-06-14 13:14         ` Burakov, Anatoly
2023-04-13 11:53 ` [PATCH v2 3/3] " Sivaprasad Tummala
2023-04-17  4:34   ` [PATCH v3 4/4] " Sivaprasad Tummala
2023-04-13 11:59 ` [PATCH v2 1/3] eal: add x86 cpuid support for monitorx David Marchand
2023-04-13 17:50   ` Tummala, Sivaprasad
2023-04-14  7:05     ` David Marchand
2023-04-14  8:51       ` Tummala, Sivaprasad
2023-04-14 11:48       ` Ferruh Yigit
2023-04-17  4:32 ` [PATCH v3 2/4] " Sivaprasad Tummala

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