From: Feifei Wang <feifei.wang2@arm.com> To: Honnappa Nagarahalli <honnappa.nagarahalli@arm.com> Cc: konstantin.ananyev@intel.com, dev@dpdk.org, nd@arm.com, Feifei Wang <feifei.wang2@arm.com>, Ruifeng Wang <ruifeng.wang@arm.com> Subject: [dpdk-dev] [PATCH v4 3/5] eal: use wait event scheme for mcslock Date: Wed, 20 Oct 2021 16:45:21 +0800 Message-ID: <20211020084523.1309177-4-feifei.wang2@arm.com> (raw) In-Reply-To: <20211020084523.1309177-1-feifei.wang2@arm.com> Instead of polling for mcslock to be updated, use wait event scheme for this case. Signed-off-by: Feifei Wang <feifei.wang2@arm.com> Reviewed-by: Ruifeng Wang <ruifeng.wang@arm.com> --- lib/eal/include/generic/rte_mcslock.h | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/lib/eal/include/generic/rte_mcslock.h b/lib/eal/include/generic/rte_mcslock.h index 34f33c64a5..08137c361b 100644 --- a/lib/eal/include/generic/rte_mcslock.h +++ b/lib/eal/include/generic/rte_mcslock.h @@ -116,8 +116,13 @@ rte_mcslock_unlock(rte_mcslock_t **msl, rte_mcslock_t *me) /* More nodes added to the queue by other CPUs. * Wait until the next pointer is set. */ - while (__atomic_load_n(&me->next, __ATOMIC_RELAXED) == NULL) - rte_pause(); +#ifdef RTE_ARCH_32 + rte_wait_event((uint32_t *)&me->next, UINT32_MAX, 0, ==, + __ATOMIC_RELAXED, 32); +#else + rte_wait_event((uint64_t *)&me->next, UINT64_MAX, 0, ==, + __ATOMIC_RELAXED, 64); +#endif } /* Pass lock to next waiter. */ -- 2.25.1
next prev parent reply other threads:[~2021-10-20 8:46 UTC|newest] Thread overview: 113+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-09-02 5:32 [dpdk-dev] [RFC PATCH v1 0/5] add new API for wait until scheme Feifei Wang 2021-09-02 5:32 ` [dpdk-dev] [RFC PATCH v1 1/5] eal: " Feifei Wang 2021-09-02 5:32 ` [dpdk-dev] [RFC PATCH v1 2/5] eal: use wait until scheme for read pflock Feifei Wang 2021-09-02 5:32 ` [dpdk-dev] [RFC PATCH v1 3/5] eal: use wait until scheme for mcslock Feifei Wang 2021-09-02 5:32 ` [dpdk-dev] [RFC PATCH v1 4/5] lib/bpf: use wait until scheme for Rx/Tx iteration Feifei Wang 2021-09-02 5:32 ` [dpdk-dev] [RFC PATCH v1 5/5] lib/distributor: use wait until scheme Feifei Wang 2021-09-02 15:22 ` [dpdk-dev] [RFC PATCH v1 0/5] add new API for " Stephen Hemminger 2021-09-03 7:02 ` [dpdk-dev] 回复: " Feifei Wang 2021-09-23 9:58 ` [dpdk-dev] [RFC PATCH v2 0/5] add new definitions for wait scheme Feifei Wang 2021-09-23 9:58 ` [dpdk-dev] [RFC PATCH v2 1/5] eal: " Feifei Wang 2021-09-23 9:58 ` [dpdk-dev] [RFC PATCH v2 2/5] eal: use wait event for read pflock Feifei Wang 2021-09-23 9:59 ` [dpdk-dev] [RFC PATCH v2 3/5] eal: use wait event scheme for mcslock Feifei Wang 2021-09-23 9:59 ` [dpdk-dev] [RFC PATCH v2 4/5] lib/bpf: use wait event scheme for Rx/Tx iteration Feifei Wang 2021-09-24 18:07 ` Ananyev, Konstantin 2021-09-26 2:19 ` [dpdk-dev] 回复: " Feifei Wang 2021-09-23 9:59 ` [dpdk-dev] [RFC PATCH v2 5/5] lib/distributor: use wait event scheme Feifei Wang 2021-09-26 6:32 ` [dpdk-dev] [RFC PATCH v3 0/5] add new definitions for wait scheme Feifei Wang 2021-09-26 6:32 ` [dpdk-dev] [RFC PATCH v3 1/5] eal: " Feifei Wang 2021-10-07 16:18 ` Ananyev, Konstantin 2021-10-12 8:09 ` [dpdk-dev] 回复: " Feifei Wang 2021-10-13 15:03 ` [dpdk-dev] " Ananyev, Konstantin 2021-10-13 17:00 ` Stephen Hemminger 2021-10-14 3:14 ` [dpdk-dev] 回复: " Feifei Wang 2021-10-14 3:08 ` Feifei Wang 2021-09-26 6:32 ` [dpdk-dev] [RFC PATCH v3 2/5] eal: use wait event for read pflock Feifei Wang 2021-09-26 6:33 ` [dpdk-dev] [RFC PATCH v3 3/5] eal: use wait event scheme for mcslock Feifei Wang 2021-09-26 6:33 ` [dpdk-dev] [RFC PATCH v3 4/5] lib/bpf: use wait event scheme for Rx/Tx iteration Feifei Wang 2021-10-07 15:50 ` Ananyev, Konstantin 2021-10-07 17:40 ` Ananyev, Konstantin 2021-10-20 6:20 ` [dpdk-dev] 回复: " Feifei Wang 2021-09-26 6:33 ` [dpdk-dev] [RFC PATCH v3 5/5] lib/distributor: use wait event scheme Feifei Wang 2021-10-20 8:45 ` [dpdk-dev] [PATCH v4 0/5] add new definitions for wait scheme Feifei Wang 2021-10-20 8:45 ` [dpdk-dev] [PATCH v4 1/5] eal: " Feifei Wang 2021-10-21 16:24 ` Ananyev, Konstantin 2021-10-25 9:20 ` [dpdk-dev] 回复: " Feifei Wang 2021-10-25 14:28 ` [dpdk-dev] " Ananyev, Konstantin 2021-10-26 1:08 ` [dpdk-dev] 回复: " Feifei Wang 2021-10-22 0:10 ` [dpdk-dev] " Jerin Jacob 2021-10-25 9:30 ` [dpdk-dev] 回复: " Feifei Wang 2021-10-25 9:43 ` [dpdk-dev] " Jerin Jacob 2021-10-26 1:11 ` [dpdk-dev] 回复: " Feifei Wang 2021-10-20 8:45 ` [dpdk-dev] [PATCH v4 2/5] eal: use wait event for read pflock Feifei Wang 2021-10-20 8:45 ` Feifei Wang [this message] 2021-10-20 8:45 ` [dpdk-dev] [PATCH v4 4/5] lib/bpf: use wait event scheme for Rx/Tx iteration Feifei Wang 2021-10-20 8:45 ` [dpdk-dev] [PATCH v4 5/5] lib/distributor: use wait event scheme Feifei Wang 2021-10-26 8:01 ` [dpdk-dev] [PATCH v5 0/5] add new definitions for wait scheme Feifei Wang 2021-10-26 8:02 ` [dpdk-dev] [PATCH v5 1/5] eal: " Feifei Wang 2021-10-26 8:08 ` [dpdk-dev] 回复: " Feifei Wang 2021-10-26 9:46 ` [dpdk-dev] " Ananyev, Konstantin 2021-10-26 9:59 ` Ananyev, Konstantin 2021-10-27 6:56 ` [dpdk-dev] 回复: " Feifei Wang 2021-10-26 8:02 ` [dpdk-dev] [PATCH v5 2/5] eal: use wait event for read pflock Feifei Wang 2021-10-26 8:02 ` [dpdk-dev] [PATCH v5 3/5] eal: use wait event scheme for mcslock Feifei Wang 2021-10-26 8:02 ` [dpdk-dev] [PATCH v5 4/5] lib/bpf: use wait event scheme for Rx/Tx iteration Feifei Wang 2021-10-26 8:18 ` [dpdk-dev] 回复: " Feifei Wang 2021-10-26 9:43 ` [dpdk-dev] " Ananyev, Konstantin 2021-10-26 12:56 ` Ananyev, Konstantin 2021-10-27 7:04 ` [dpdk-dev] 回复: " Feifei Wang 2021-10-27 7:31 ` Feifei Wang 2021-10-27 14:47 ` [dpdk-dev] " Ananyev, Konstantin 2021-10-28 6:24 ` [dpdk-dev] 回复: " Feifei Wang 2021-10-26 8:02 ` [dpdk-dev] [PATCH v5 5/5] lib/distributor: use wait event scheme Feifei Wang 2021-10-27 8:10 ` [dpdk-dev] [PATCH v6 0/4] add new definitions for wait scheme Feifei Wang 2021-10-27 8:10 ` [dpdk-dev] [PATCH v6 1/4] eal: " Feifei Wang 2021-10-27 8:10 ` [dpdk-dev] [PATCH v6 2/4] eal: use wait event for read pflock Feifei Wang 2021-10-27 8:10 ` [dpdk-dev] [PATCH v6 3/4] eal: use wait event scheme for mcslock Feifei Wang 2021-10-27 11:16 ` Mattias Rönnblom 2021-10-28 6:32 ` [dpdk-dev] 回复: " Feifei Wang 2021-10-27 8:10 ` [dpdk-dev] [PATCH v6 4/4] lib/distributor: use wait event scheme Feifei Wang 2021-10-27 10:57 ` [dpdk-dev] [PATCH v6 0/4] add new definitions for wait scheme Jerin Jacob 2021-10-28 6:33 ` [dpdk-dev] 回复: " Feifei Wang 2021-10-28 6:56 ` [dpdk-dev] [PATCH v7 0/5] " Feifei Wang 2021-10-28 6:56 ` [dpdk-dev] [PATCH v7 1/5] eal: " Feifei Wang 2021-10-28 7:15 ` Jerin Jacob 2021-10-28 7:40 ` [dpdk-dev] 回复: " Feifei Wang 2021-10-28 7:51 ` [dpdk-dev] " Jerin Jacob 2021-10-28 9:27 ` [dpdk-dev] 回复: " Feifei Wang 2021-10-28 13:14 ` [dpdk-dev] " Ananyev, Konstantin 2021-10-28 6:56 ` [dpdk-dev] [PATCH v7 2/5] eal: use wait event for read pflock Feifei Wang 2021-10-28 6:56 ` [dpdk-dev] [PATCH v7 3/5] eal: use wait event scheme for mcslock Feifei Wang 2021-10-28 7:02 ` Jerin Jacob 2021-10-28 7:14 ` [dpdk-dev] 回复: " Feifei Wang 2021-10-28 6:56 ` [dpdk-dev] [PATCH v7 4/5] lib/bpf: use wait event scheme for Rx/Tx iteration Feifei Wang 2021-10-28 13:15 ` Ananyev, Konstantin 2021-10-28 6:56 ` [dpdk-dev] [PATCH v7 5/5] lib/distributor: use wait event scheme Feifei Wang 2021-10-29 8:20 ` [dpdk-dev] [PATCH v8 0/5] add new definitions for wait scheme Feifei Wang 2021-10-29 8:20 ` [dpdk-dev] [PATCH v8 1/5] eal: " Feifei Wang 2021-10-29 13:54 ` Jerin Jacob 2021-10-31 8:38 ` David Marchand 2021-11-01 2:29 ` [dpdk-dev] 回复: " Feifei Wang 2021-10-29 8:20 ` [dpdk-dev] [PATCH v8 2/5] eal: use wait event for read pflock Feifei Wang 2021-10-29 13:55 ` Jerin Jacob 2021-10-31 8:37 ` David Marchand 2021-10-29 8:20 ` [dpdk-dev] [PATCH v8 3/5] eal: use wait event scheme for mcslock Feifei Wang 2021-10-29 13:55 ` Jerin Jacob 2021-10-31 8:37 ` David Marchand 2021-10-29 8:20 ` [dpdk-dev] [PATCH v8 4/5] lib/bpf: use wait event scheme for Rx/Tx iteration Feifei Wang 2021-10-31 8:37 ` David Marchand 2021-10-29 8:20 ` [dpdk-dev] [PATCH v8 5/5] lib/distributor: use wait event scheme Feifei Wang 2021-10-29 13:58 ` Jerin Jacob 2021-10-31 8:38 ` David Marchand 2021-11-01 12:44 ` David Hunt 2021-11-01 6:00 ` [dpdk-dev] [PATCH v9 0/5] add new helper for wait scheme Feifei Wang 2021-11-01 6:00 ` [dpdk-dev] [PATCH v9 1/5] eal: add a new generic " Feifei Wang 2021-11-01 6:00 ` [dpdk-dev] [PATCH v9 2/5] pflock: use wait until scheme for read pflock Feifei Wang 2021-11-03 14:46 ` David Marchand 2021-11-04 1:24 ` [dpdk-dev] 回复: " Feifei Wang 2021-11-01 6:00 ` [dpdk-dev] [PATCH v9 3/5] mcslock: use wait until scheme for mcslock Feifei Wang 2021-11-01 6:00 ` [dpdk-dev] [PATCH v9 4/5] bpf: use wait until scheme for Rx/Tx iteration Feifei Wang 2021-11-01 6:00 ` [dpdk-dev] [PATCH v9 5/5] distributor: use wait until scheme Feifei Wang 2021-11-01 16:05 ` Pattan, Reshma 2021-11-02 2:00 ` [dpdk-dev] 回复: " Feifei Wang 2021-11-03 14:55 ` [dpdk-dev] [PATCH v9 0/5] add new helper for wait scheme David Marchand
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