[dpdk-dev] [PATCH v2 2/4] meson: change default cache line size for armv8

[Yongseok Koh]

Currently, the cache line size of armv8 CPUs having Implementor ID of 0x41
is 64 bytes.

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

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..1db4ad2ee7 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', 256],
+	['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