[dpdk-dev] [PATCH v3 2/4] meson: change default config for armv8

[Yongseok Koh <yskoh@mellanox.com>]

Current default cache line size for armv8 CPUs having Implementor ID of
0x41 is 128 bytes, changing it to 64 bytes. Also, the max number of lcores
is changed to 16 from 256.

Signed-off-by: Yongseok Koh <yskoh@mellanox.com>
---

v3:
* decrease RTE_MAX_LCORE to 16 from 256
* change title and commit log

v2:
* introduce flags_arm replacing flags_generic instead of using the extra flags

 config/arm/meson.build | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/config/arm/meson.build b/config/arm/meson.build
index 22a062bad9..a5cce51707 100644
--- a/config/arm/meson.build
+++ b/config/arm/meson.build
@@ -32,6 +32,11 @@ flags_generic = [
 	['RTE_MAX_LCORE', 256],
 	['RTE_USE_C11_MEM_MODEL', true],
 	['RTE_CACHE_LINE_SIZE', 128]]
+flags_arm = [
+	['RTE_MACHINE', '"armv8a"'],
+	['RTE_MAX_LCORE', 16],
+	['RTE_USE_C11_MEM_MODEL', true],
+	['RTE_CACHE_LINE_SIZE', 64]]
 flags_cavium = [
 	['RTE_CACHE_LINE_SIZE', 128],
 	['RTE_MAX_NUMA_NODES', 2],
@@ -88,7 +93,7 @@ machine_args_cavium = [
 
 ## Arm implementer ID (ARM DDI 0487C.a, Section G7.2.106, Page G7-5321)
 impl_generic = ['Generic armv8', flags_generic, machine_args_generic]
-impl_0x41 = ['Arm', flags_generic, machine_args_generic]
+impl_0x41 = ['Arm', flags_arm, machine_args_generic]
 impl_0x42 = ['Broadcom', flags_generic, machine_args_generic]
 impl_0x43 = ['Cavium', flags_cavium, machine_args_cavium]
 impl_0x44 = ['DEC', flags_generic, machine_args_generic]
-- 
2.11.0