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From: Stephen Hemminger <stephen@networkplumber.org>
To: Joyce Kong <joyce.kong@arm.com>
Cc: dev@dpdk.org, nd@arm.com, Gavin Hu <gavin.hu@arm.com>,
	jerinj@marvell.com, konstantin.ananyev@intel.com,
	chaozhu@linux.vnet.ibm.com, bruce.richardson@intel.com,
	thomas@monjalon.net, hemant.agrawal@nxp.com,
	honnappa.nagarahalli@arm.com
Subject: Re: [dpdk-dev] [PATCH v3 1/3] rwlock: reimplement with atomic builtins
Date: Thu, 14 Mar 2019 08:54:29 -0700	[thread overview]
Message-ID: <20190314085429.22ccd9ca@shemminger-XPS-13-9360> (raw)
In-Reply-To: <1552569304-74817-2-git-send-email-joyce.kong@arm.com>

On Thu, 14 Mar 2019 21:15:02 +0800
Joyce Kong <joyce.kong@arm.com> wrote:

> -		success = rte_atomic32_cmpset((volatile uint32_t *)&rwl->cnt,
> -					      (uint32_t)x, (uint32_t)(x + 1));
> +		success = __atomic_compare_exchange_n(&rwl->cnt, &x, x+1, 1,
> +					__ATOMIC_ACQUIRE, __ATOMIC_RELAXED);

Would it be possible to have rte_atomic32_cmpset be an inline function
that became __atomic_comppare_exchange? Then all usages would be the same.

  parent reply	other threads:[~2019-03-14 15:54 UTC|newest]

Thread overview: 57+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-12-13  3:37 [dpdk-dev] [PATCH v1 0/2] reimplement rwlock and add relevant perf test case Joyce Kong
2018-12-13  3:37 ` [dpdk-dev] [PATCH v1 1/2] test/rwlock: add " Joyce Kong
2018-12-19 23:34   ` Ananyev, Konstantin
2018-12-20  1:01     ` Gavin Hu (Arm Technology China)
2018-12-20  1:45       ` Honnappa Nagarahalli
2019-03-14 13:15   ` [dpdk-dev] [PATCH v3 0/3] rwlock: reimplement rwlock with atomic and add relevant " Joyce Kong
2019-03-14 13:15     ` Joyce Kong
2019-03-14 13:15   ` [dpdk-dev] [PATCH v3 1/3] rwlock: reimplement with atomic builtins Joyce Kong
2019-03-14 13:15     ` Joyce Kong
2019-03-14 15:54     ` Stephen Hemminger [this message]
2019-03-14 15:54       ` Stephen Hemminger
2019-03-15  3:04       ` Gavin Hu (Arm Technology China)
2019-03-15  3:04         ` Gavin Hu (Arm Technology China)
2019-03-15 11:41     ` Ananyev, Konstantin
2019-03-15 11:41       ` Ananyev, Konstantin
2019-03-19  8:31       ` Gavin Hu (Arm Technology China)
2019-03-19  8:31         ` Gavin Hu (Arm Technology China)
2019-03-14 13:15   ` [dpdk-dev] [PATCH v3 2/3] test/rwlock: add perf test case on all available cores Joyce Kong
2019-03-14 13:15     ` Joyce Kong
2019-03-14 13:15   ` [dpdk-dev] [PATCH v3 3/3] test/rwlock: amortize the cost of getting time Joyce Kong
2019-03-14 13:15     ` Joyce Kong
2019-03-14 15:02     ` Honnappa Nagarahalli
2019-03-14 15:02       ` Honnappa Nagarahalli
2019-03-20  6:25   ` [dpdk-dev] [PATCH v4 0/3] rwlock: reimplement rwlock with atomic and add relevant perf test case Joyce Kong
2019-03-20  6:25     ` Joyce Kong
2019-03-20  6:25   ` [dpdk-dev] [PATCH v4 1/3] rwlock: reimplement with atomic builtins Joyce Kong
2019-03-20  6:25     ` Joyce Kong
2019-03-21 18:43     ` Ananyev, Konstantin
2019-03-21 18:43       ` Ananyev, Konstantin
2019-03-25  9:18       ` Joyce Kong (Arm Technology China)
2019-03-25  9:18         ` Joyce Kong (Arm Technology China)
2019-03-20  6:25   ` [dpdk-dev] [PATCH v4 2/3] test/rwlock: add perf test case on all available cores Joyce Kong
2019-03-20  6:25     ` Joyce Kong
2019-03-21 18:44     ` Ananyev, Konstantin
2019-03-21 18:44       ` Ananyev, Konstantin
2019-03-20  6:25   ` [dpdk-dev] [PATCH v4 3/3] test/rwlock: amortize the cost of getting time Joyce Kong
2019-03-20  6:25     ` Joyce Kong
2019-03-21 18:44     ` Ananyev, Konstantin
2019-03-21 18:44       ` Ananyev, Konstantin
2019-03-25  9:14   ` [dpdk-dev] [PATCH v5 0/3] rwlock: reimplement rwlock with atomic and add relevant perf test case Joyce Kong
2019-03-25  9:14     ` Joyce Kong
2019-03-28 10:50     ` Thomas Monjalon
2019-03-28 10:50       ` Thomas Monjalon
2019-04-16 14:57     ` Kevin Traynor
2019-04-16 14:57       ` Kevin Traynor
2019-03-25  9:14   ` [dpdk-dev] [PATCH v5 1/3] rwlock: reimplement with atomic builtins Joyce Kong
2019-03-25  9:14     ` Joyce Kong
2019-03-25  9:14   ` [dpdk-dev] [PATCH v5 2/3] test/rwlock: add perf test case on all available cores Joyce Kong
2019-03-25  9:14     ` Joyce Kong
2019-03-25  9:14   ` [dpdk-dev] [PATCH v5 3/3] test/rwlock: amortize the cost of getting time Joyce Kong
2019-03-25  9:14     ` Joyce Kong
2018-12-13  3:37 ` [dpdk-dev] [PATCH v1 2/2] rwlock: reimplement with __atomic builtins Joyce Kong
2018-12-19 23:50   ` Ananyev, Konstantin
2018-12-13  5:27 ` [dpdk-dev] [PATCH v1 0/2] reimplement rwlock and add relevant perf test case Stephen Hemminger
2018-12-14  1:30   ` Gavin Hu (Arm Technology China)
2018-12-17  5:16     ` Honnappa Nagarahalli
2018-12-19 20:37       ` Thomas Monjalon

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