diff options
Diffstat (limited to 'debian/patches/nicvf-0009-config-set-cache-line-as-128B-for-generic-arm64.patch')
| -rw-r--r-- | debian/patches/nicvf-0009-config-set-cache-line-as-128B-for-generic-arm64.patch | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/debian/patches/nicvf-0009-config-set-cache-line-as-128B-for-generic-arm64.patch b/debian/patches/nicvf-0009-config-set-cache-line-as-128B-for-generic-arm64.patch deleted file mode 100644 index 95e02d03..00000000 --- a/debian/patches/nicvf-0009-config-set-cache-line-as-128B-for-generic-arm64.patch +++ /dev/null @@ -1,65 +0,0 @@ -From 852572d5db26d1d7d9021648740d9f2e0c4503c1 Mon Sep 17 00:00:00 2001 -From: Jerin Jacob <jerin.jacob@caviumnetworks.com> -Date: Wed, 26 Apr 2017 21:59:19 +0530 -Subject: [PATCH] config: set cache line as 128B for generic arm64 - -armv8 implementations may have 64B or 128B cache line. -Setting to the maximum available cache line size in generic config to -address minimum DMA alignment across all arm64 implementations. - -Increasing the cacheline size has no negative impact to cache invalidation -on systems with a smaller cache line. - -The need for the minimum DMA alignment has impact on functional aspects -of the platform so default config should cater the functional aspects. - -There is an impact on memory usage with this scheme, but that's not too -important for the single image arm64 distribution use case. - -The arm64 linux kernel followed the similar approach for single -arm64 image use case. -http://lxr.free-electrons.com/source/arch/arm64/include/asm/cache.h - -Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com> -Acked-by: Jianbo Liu <jianbo.liu@linaro.org> -Acked-by: Santosh Shukla <santosh.shukla@caviumnetworks.com> ---- - config/defconfig_arm64-armv8a-linuxapp-gcc | 5 +++++ - config/defconfig_arm64-dpaa2-linuxapp-gcc | 1 + - config/defconfig_arm64-xgene1-linuxapp-gcc | 1 + - 3 files changed, 7 insertions(+) - -Origin: http://dpdk.org/browse/dpdk/commit/?id=852572d5db26d1d7d9021648740d9f2e0c4503c1 -Original-Author: Jerin Jacob <jerin.jacob@caviumnetworks.com> -Bug-Ubuntu: https://bugs.launchpad.net/ubuntu/+source/dpdk/+bug/1691659 -Author: Christian Ehrhardt <christian.ehrhardt@canonical.com> -Last-Update: 2017-05-18 - ---- a/config/defconfig_arm64-armv8a-linuxapp-gcc -+++ b/config/defconfig_arm64-armv8a-linuxapp-gcc -@@ -42,6 +42,11 @@ - CONFIG_RTE_TOOLCHAIN="gcc" - CONFIG_RTE_TOOLCHAIN_GCC=y - -+# Maximum available cache line size in arm64 implementations. -+# Setting to maximum available cache line size in generic config -+# to address minimum DMA alignment across all arm64 implementations. -+CONFIG_RTE_CACHE_LINE_SIZE=128 -+ - CONFIG_RTE_EAL_IGB_UIO=n - - CONFIG_RTE_LIBRTE_FM10K_PMD=n ---- a/config/defconfig_arm64-dpaa2-linuxapp-gcc -+++ b/config/defconfig_arm64-dpaa2-linuxapp-gcc -@@ -40,3 +40,4 @@ - # - CONFIG_RTE_MAX_LCORE=8 - CONFIG_RTE_MAX_NUMA_NODES=1 -+CONFIG_RTE_CACHE_LINE_SIZE=64 ---- a/config/defconfig_arm64-xgene1-linuxapp-gcc -+++ b/config/defconfig_arm64-xgene1-linuxapp-gcc -@@ -32,3 +32,4 @@ - #include "defconfig_arm64-armv8a-linuxapp-gcc" - - CONFIG_RTE_MACHINE="xgene1" -+CONFIG_RTE_CACHE_LINE_SIZE=64 |