diff options
Diffstat (limited to 'debian/patches/nicvf-0007-net-thunderx-disable-PMD-for-old-compilers.patch')
| -rw-r--r-- | debian/patches/nicvf-0007-net-thunderx-disable-PMD-for-old-compilers.patch | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/debian/patches/nicvf-0007-net-thunderx-disable-PMD-for-old-compilers.patch b/debian/patches/nicvf-0007-net-thunderx-disable-PMD-for-old-compilers.patch new file mode 100644 index 00000000..61590496 --- /dev/null +++ b/debian/patches/nicvf-0007-net-thunderx-disable-PMD-for-old-compilers.patch @@ -0,0 +1,80 @@ +From 0b9ce550c4f60a69da558da6044e1b394256b43c Mon Sep 17 00:00:00 2001 +From: Ferruh Yigit <ferruh.yigit@intel.com> +Date: Thu, 6 Apr 2017 18:05:09 +0100 +Subject: [PATCH] net/thunderx: disable PMD for old compilers + +Disable for gcc < 4.7 and icc <= 14.0 + +PMD uses some compiler builtins and new compiler options. Tested with +gcc 4.5.1 and following were not supported: + +option: +-Ofast + +macros: +_Static_assert + +__ORDER_LITTLE_ENDIAN__ +__ORDER_BIG_ENDIAN__ +__BYTE_ORDER__ + +__atomic_fetch_add +__ATOMIC_ACQUIRE +__atomic_load_n +__ATOMIC_RELAXED +__atomic_store_n +__ATOMIC_RELEASE + +It is not easy to fix all in PMD, disabling PMD for older compilers. + +Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com> +--- + drivers/net/Makefile | 5 +++++ + mk/toolchain/gcc/rte.toolchain-compat.mk | 5 +++++ + mk/toolchain/icc/rte.toolchain-compat.mk | 5 +++++ + 3 files changed, 15 insertions(+) + +Origin: http://dpdk.org/browse/dpdk/commit/?id=0b9ce550c4f60a69da558da6044e1b394256b43c +Original-Author: Ferruh Yigit <ferruh.yigit@intel.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/drivers/net/Makefile ++++ b/drivers/net/Makefile +@@ -31,6 +31,11 @@ + + include $(RTE_SDK)/mk/rte.vars.mk + ++# set in mk/toolchain/xxx/rte.toolchain-compat.mk ++ifeq ($(CONFIG_RTE_LIBRTE_THUNDERX_NICVF_PMD),d) ++ $(warning thunderx pmd is not supported by old compilers) ++endif ++ + DIRS-$(CONFIG_RTE_LIBRTE_PMD_AF_PACKET) += af_packet + DIRS-$(CONFIG_RTE_LIBRTE_BNX2X_PMD) += bnx2x + DIRS-$(CONFIG_RTE_LIBRTE_PMD_BOND) += bonding +--- a/mk/toolchain/gcc/rte.toolchain-compat.mk ++++ b/mk/toolchain/gcc/rte.toolchain-compat.mk +@@ -89,4 +89,9 @@ + ifeq ($(shell test $(GCC_VERSION) -lt 42 && echo 1), 1) + MACHINE_CFLAGS := $(filter-out -march% -mtune% -msse%,$(MACHINE_CFLAGS)) + endif ++ ++ # Disable thunderx PMD for gcc < 4.7 ++ ifeq ($(shell test $(GCC_VERSION) -lt 47 && echo 1), 1) ++ CONFIG_RTE_LIBRTE_THUNDERX_NICVF_PMD=d ++ endif + endif +--- a/mk/toolchain/icc/rte.toolchain-compat.mk ++++ b/mk/toolchain/icc/rte.toolchain-compat.mk +@@ -72,4 +72,9 @@ + # remove march options + MACHINE_CFLAGS := $(patsubst -march=%,-xSSE3,$(MACHINE_CFLAGS)) + endif ++ ++ # Disable thunderx PMD for icc <= 14.0 ++ ifeq ($(shell test $(ICC_MAJOR_VERSION) -le 14 && echo 1), 1) ++ CONFIG_RTE_LIBRTE_THUNDERX_NICVF_PMD=d ++ endif + endif |