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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
Date: Thu, 22 Nov 2018 15:01:14 +0800
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Subject: [dpdk-dev] [PATCH v3] config: enable more than 128 cores for Arm64
platform
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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 | 5 +++--
config/defconfig_arm64-armv8a-linuxapp-gcc | 1 +
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/config/arm/meson.build b/config/arm/meson.build
index b755138..9b5f09c 100644
--- a/config/arm/meson.build
+++ b/config/arm/meson.build
@@ -46,13 +46,14 @@ flags_common_default = [
flags_generic = [
['RTE_MACHINE', '"armv8a"'],
+ ['RTE_MAX_LCORE', 256],
['RTE_CACHE_LINE_SIZE', 128]]
flags_cavium = [
['RTE_MACHINE', '"thunderx"'],
['RTE_CACHE_LINE_SIZE', 128],
['RTE_MAX_NUMA_NODES', 2],
- ['RTE_MAX_LCORE', 96],
- ['RTE_MAX_VFIO_GROUPS', 128],
+ ['RTE_MAX_LCORE', 256],
+ ['RTE_MAX_VFIO_GROUPS', 128],
['RTE_USE_C11_MEM_MODEL', false]]
flags_dpaa = [
['RTE_MACHINE', '"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