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From: Ruifeng Wang <ruifeng.wang@arm.com>
To: Jan Viktorin <viktorin@rehivetech.com>,
	Ruifeng Wang <ruifeng.wang@arm.com>,
	Jerin Jacob <jerinj@marvell.com>,
	Bruce Richardson <bruce.richardson@intel.com>
Cc: dev@dpdk.org, david.marchand@redhat.com, thomas@monjalon.net,
	nd@arm.com, honnappa.nagarahalli@arm.com
Subject: [dpdk-dev] [PATCH v4 3/3] build: add option to enable wait until equal
Date: Wed,  7 Jul 2021 13:48:39 +0800	[thread overview]
Message-ID: <20210707054840.1608425-4-ruifeng.wang@arm.com> (raw)
In-Reply-To: <20210707054840.1608425-1-ruifeng.wang@arm.com>

Introduce a meson option 'use_wfe' to select wait until equal method.
The default is disable. Traditional polling loop is used.
When enabled, architecture specific mechanism is relied on to do the
wait.

Signed-off-by: Ruifeng Wang <ruifeng.wang@arm.com>
---
 config/arm/meson.build | 2 +-
 meson_options.txt      | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/config/arm/meson.build b/config/arm/meson.build
index 9b147c0b93..9ea478fb77 100644
--- a/config/arm/meson.build
+++ b/config/arm/meson.build
@@ -18,7 +18,6 @@ flags_common = [
         #    ['RTE_ARM64_MEMCPY_STRICT_ALIGN', false],
 
         ['RTE_SCHED_VECTOR', false],
-        ['RTE_ARM_USE_WFE', false],
         ['RTE_ARCH_ARM64', true],
         ['RTE_CACHE_LINE_SIZE', 128]
 ]
@@ -371,6 +370,7 @@ socs = {
 
 dpdk_conf.set('RTE_ARCH_ARM', 1)
 dpdk_conf.set('RTE_FORCE_INTRINSICS', 1)
+dpdk_conf.set('RTE_ARM_USE_WFE', get_option('use_wfe'))
 
 if dpdk_conf.get('RTE_ARCH_32')
     # armv7 build
diff --git a/meson_options.txt b/meson_options.txt
index 56bdfd0f0a..5012803c77 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -44,3 +44,5 @@ option('tests', type: 'boolean', value: true, description:
        'build unit tests')
 option('use_hpet', type: 'boolean', value: false, description:
        'use HPET timer in EAL')
+option('use_wfe', type: 'boolean', value: false, description:
+       'use Wait Until Equal for polling loops')
-- 
2.25.1


  parent reply	other threads:[~2021-07-07  5:49 UTC|newest]

Thread overview: 60+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-24  7:07 [dpdk-dev] [PATCH v1 0/2] Use WFE for spinlock and ring 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
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   ` Ruifeng Wang [this message]
2021-07-07  6:32     ` [dpdk-dev] [PATCH v4 3/3] build: add option to enable wait until equal 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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