From: Jerin Jacob <jerin.jacob@caviumnetworks.com>
To: Joyce Kong <joyce.kong@arm.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>,
"thomas@monjalon.net" <thomas@monjalon.net>,
"Honnappa.Nagarahalli@arm.com" <Honnappa.Nagarahalli@arm.com>,
"gavin.hu@arm.com" <gavin.hu@arm.com>,
"stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [dpdk-stable] [PATCH v2] config: enable more than 128 cores for Arm64 platform
Date: Wed, 21 Nov 2018 11:34:42 +0000 [thread overview]
Message-ID: <20181121113422.GA31379@jerin> (raw)
In-Reply-To: <1542799632-47517-1-git-send-email-joyce.kong@arm.com>
-----Original Message-----
> Date: Wed, 21 Nov 2018 19:27:12 +0800
> From: Joyce Kong <joyce.kong@arm.com>
> To: dev@dpdk.org
> CC: thomas@monjalon.net, jerin.jacob@caviumnetworks.com,
> Honnappa.Nagarahalli@arm.com, gavin.hu@arm.com, stable@dpdk.org
> Subject: [PATCH v2] config: enable more than 128 cores for Arm64 platform
> X-Mailer: git-send-email 2.7.4
>
>
> When running dpdk applications on cores whose ids are bigger
> than original max_core setting, eal error as below:
> EAL: Detected 104 lcore(s)
> EAL: Detected 2 NUMA nodes
> EAL: invalid core list
> -l CORELIST core indexes between 0 and 128
>
> The fix is to increase max_core to 256 on Arm64 platform.
>
> Fixes: b3ce00e5 ("mk: introduce ARMv8 architecture")
> Cc: stable@dpdk.org
>
> Signed-off-by: Joyce Kong <joyce.kong@arm.com>
> Reviewed-by: Gavin Hu <gavin.hu@arm.com>
> ---
> config/arm/meson.build | 2 +-
> config/defconfig_arm64-armv8a-linuxapp-gcc | 1 +
> 2 files changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/config/arm/meson.build b/config/arm/meson.build
> index b755138..020df09 100644
> --- a/config/arm/meson.build
> +++ b/config/arm/meson.build
> @@ -51,7 +51,7 @@ flags_cavium = [
> ['RTE_MACHINE', '"thunderx"'],
> ['RTE_CACHE_LINE_SIZE', 128],
> ['RTE_MAX_NUMA_NODES', 2],
> - ['RTE_MAX_LCORE', 96],
> + ['RTE_MAX_LCORE', 256],
This change makes thunderx config to 256 cores not armv8.
For generic config, it needs to be under "flags_generic"
not under "flags_cavium". Just like you did for updating
defconfig_arm64-armv8a-linuxapp-gcc config instead of
defconfig_arm64-thunderx-linuxapp-gcc
> ['RTE_MAX_VFIO_GROUPS', 128],
> ['RTE_USE_C11_MEM_MODEL', false]]
> flags_dpaa = [
> diff --git a/config/defconfig_arm64-armv8a-linuxapp-gcc b/config/defconfig_arm64-armv8a-linuxapp-gcc
> index 1842744..a6ed90c 100644
> --- a/config/defconfig_arm64-armv8a-linuxapp-gcc
> +++ b/config/defconfig_arm64-armv8a-linuxapp-gcc
> @@ -6,3 +6,4 @@
>
> CONFIG_RTE_TOOLCHAIN="gcc"
> CONFIG_RTE_TOOLCHAIN_GCC=y
> +CONFIG_RTE_MAX_LCORE=256
> --
> 2.7.4
>
next prev parent reply other threads:[~2018-11-21 11:34 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1542798625-46722-1-git-send-email-joyce.kong@arm.com>
2018-11-21 11:10 ` [dpdk-stable] [PATCH v1 1/2] config: enable more than 128 cores for Arm platform Joyce Kong
2018-11-21 11:10 ` [dpdk-stable] [PATCH v1 2/2] config: enable more than 128 cores for meson build Joyce Kong
2018-11-21 11:27 ` [dpdk-stable] [PATCH v2] config: enable more than 128 cores for Arm64 platform Joyce Kong
2018-11-21 11:34 ` Jerin Jacob [this message]
2018-11-22 7:01 ` Joyce Kong (Arm Technology China)
2018-11-22 7:01 ` [dpdk-stable] [PATCH v3] " Joyce Kong
2018-11-22 7:08 ` Jerin Jacob
2018-11-22 7:43 ` Joyce Kong (Arm Technology China)
2018-11-22 7:37 ` [dpdk-stable] [PATCH v4] " Joyce Kong
2018-11-22 11:04 ` Jerin Jacob
2018-11-23 0:49 ` [dpdk-stable] [dpdk-dev] " Thomas Monjalon
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