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.
next prev 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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20190314085429.22ccd9ca@shemminger-XPS-13-9360 \
--to=stephen@networkplumber.org \
--cc=bruce.richardson@intel.com \
--cc=chaozhu@linux.vnet.ibm.com \
--cc=dev@dpdk.org \
--cc=gavin.hu@arm.com \
--cc=hemant.agrawal@nxp.com \
--cc=honnappa.nagarahalli@arm.com \
--cc=jerinj@marvell.com \
--cc=joyce.kong@arm.com \
--cc=konstantin.ananyev@intel.com \
--cc=nd@arm.com \
--cc=thomas@monjalon.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).