From: David Marchand <david.marchand@redhat.com>
To: Gavin Hu <gavin.hu@arm.com>
Cc: dev <dev@dpdk.org>, nd <nd@arm.com>,
Thomas Monjalon <thomas@monjalon.net>,
Jerin Jacob Kollanukkaran <jerinj@marvell.com>,
Honnappa Nagarahalli <Honnappa.Nagarahalli@arm.com>,
"Ruifeng Wang (Arm Technology China)" <Ruifeng.Wang@arm.com>,
Phil Yang <Phil.Yang@arm.com>, Joyce Kong <Joyce.Kong@arm.com>,
"Ananyev, Konstantin" <konstantin.ananyev@intel.com>
Subject: Re: [dpdk-dev] [PATCH v2 0/2] Use WFE for spinlock and ring
Date: Sun, 3 May 2020 16:54:11 +0200 [thread overview]
Message-ID: <CAJFAV8wZB4ndT7b3xA5+t+48qFUD542jxzK-kx7=qH0tNq6C9w@mail.gmail.com> (raw)
In-Reply-To: <20200426083909.897-1-gavin.hu@arm.com>
On Sun, Apr 26, 2020 at 10:39 AM Gavin Hu <gavin.hu@arm.com> wrote:
>
> The rte_wait_until_equal_xxx APIs abstract the functionality of 'polling
> for a memory location to become equal to a given value'[1].
>
> Use the API for the rte spinlock and ring implementations.
>
> [1] http://patches.dpdk.org/cover/62703/
>
> Gavin Hu (2):
> spinlock: use wfe to reduce contention on aarch64
> ring: use wfe to wait for ring tail update on aarch64
This would result in rte_ring and rte_spinlock APIs becoming
experimental and this breaks compilation for external applications
using stable ring and spinlock APIs.
IIRC, it was the reason why these patches were dropped with the
introduction of the rte_wait_until_equal_* API.
--
David Marchand
next prev parent reply other threads:[~2020-05-03 14:54 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-24 7:07 [dpdk-dev] [PATCH v1 " Gavin Hu
2020-04-24 7:07 ` [dpdk-dev] [PATCH v1 1/2] spinlock: use wfe to reduce contention on aarch64 Gavin Hu
2020-04-24 7:07 ` [dpdk-dev] [PATCH v1 2/2] ring: use wfe to wait for ring tail update " Gavin Hu
2020-04-24 13:23 ` Ananyev, Konstantin
2020-04-26 8:41 ` Gavin Hu
2020-04-24 14:46 ` Honnappa Nagarahalli
2020-04-26 8:33 ` Gavin Hu
2020-04-26 8:39 ` [dpdk-dev] [PATCH v2 0/2] Use WFE for spinlock and ring Gavin Hu
2020-05-01 9:47 ` Ananyev, Konstantin
2020-05-03 14:54 ` David Marchand [this message]
2020-05-03 21:31 ` Honnappa Nagarahalli
2020-09-25 14:30 ` David Marchand
2021-03-25 14:58 ` David Marchand
2021-04-25 6:06 ` Ruifeng Wang
2021-04-25 15:56 ` Thomas Monjalon
2020-04-26 8:39 ` [dpdk-dev] [PATCH v2 1/2] spinlock: use wfe to reduce contention on aarch64 Gavin Hu
2020-04-28 12:22 ` Jerin Jacob
2020-04-26 8:39 ` [dpdk-dev] [PATCH v2 2/2] ring: use wfe to wait for ring tail update " Gavin Hu
2021-04-25 5:56 ` [dpdk-dev] Use WFE for spinlock and ring Ruifeng Wang
2021-04-25 5:56 ` [dpdk-dev] [PATCH v3 1/2] spinlock: use wfe to reduce contention on aarch64 Ruifeng Wang
2021-04-25 5:56 ` [dpdk-dev] [PATCH v3 2/2] ring: use wfe to wait for ring tail update " Ruifeng Wang
2021-04-26 5:38 ` Jerin Jacob
2021-04-28 17:17 ` Stephen Hemminger
2021-04-29 14:35 ` Ruifeng Wang
2021-04-29 15:05 ` Stephen Hemminger
2021-05-07 8:25 ` Ruifeng Wang
2021-04-28 7:42 ` [dpdk-dev] Use WFE for spinlock and ring David Marchand
2021-04-28 9:30 ` Ruifeng Wang
2021-04-28 11:13 ` Thomas Monjalon
2021-04-29 14:28 ` Ruifeng Wang
2021-04-29 15:20 ` Thomas Monjalon
2021-04-30 9:16 ` Bruce Richardson
2021-04-30 13:41 ` Honnappa Nagarahalli
2021-04-30 14:19 ` Bruce Richardson
2021-05-07 10:18 ` Ruifeng Wang
2021-05-07 10:24 ` Bruce Richardson
2021-07-05 8:51 ` David Marchand
2021-07-05 10:21 ` Ruifeng Wang
2021-07-07 14:47 ` Stephen Hemminger
2021-07-08 9:41 ` Ruifeng Wang
2021-07-08 16:58 ` Honnappa Nagarahalli
2021-07-07 5:43 ` [dpdk-dev] [PATCH v4 0/3] " Ruifeng Wang
2021-07-07 5:43 ` [dpdk-dev] [PATCH v4 1/3] spinlock: use wfe to reduce contention on aarch64 Ruifeng Wang
2021-07-07 5:43 ` [dpdk-dev] [PATCH v4 2/3] ring: use wfe to wait for ring tail update " Ruifeng Wang
2021-07-07 5:43 ` [dpdk-dev] [PATCH v4 3/3] build: add option to enable wait until equal Ruifeng Wang
2021-07-07 12:15 ` David Marchand
2021-07-07 5:48 ` [dpdk-dev] [PATCH v4 0/3] Use WFE for spinlock and ring Ruifeng Wang
2021-07-07 5:48 ` [dpdk-dev] [PATCH v4 1/3] spinlock: use wfe to reduce contention on aarch64 Ruifeng Wang
2021-07-07 5:48 ` [dpdk-dev] [PATCH v4 2/3] ring: use wfe to wait for ring tail update " Ruifeng Wang
2021-07-07 5:48 ` [dpdk-dev] [PATCH v4 3/3] build: add option to enable wait until equal Ruifeng Wang
2021-07-07 6:32 ` Thomas Monjalon
2021-07-07 6:46 ` Ruifeng Wang
2021-07-07 12:27 ` Bruce Richardson
2021-07-07 12:36 ` Jerin Jacob
2021-07-08 6:25 ` Ruifeng Wang
2021-07-08 6:32 ` Jerin Jacob
2021-07-08 7:32 ` Thomas Monjalon
2021-07-08 9:21 ` Ruifeng Wang
2021-07-08 10:28 ` Thomas Monjalon
2021-07-09 18:39 ` [dpdk-dev] [PATCH v4 0/3] Use WFE for spinlock and ring Thomas Monjalon
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