From mboxrd@z Thu Jan  1 00:00:00 1970
From: Hemant Agrawal <hemant.agrawal@nxp.com>
Subject: [PATCH] mk: change TLS model for ARMv8 and DPAA machine
Date: Tue,  5 Jun 2018 12:03:45 +0530
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Cc: Sachin Saxena <sachin.saxena@nxp.com>
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From: Sachin Saxena <sachin.saxena@nxp.com>

Random corruptions observed on ARM platfoms with using
the dpdk library in shared mode with VPP software (plugin).

sing traditional TLS scheme resolved the issue.

Tested with VPP with DPDK as a plugin.

Signed-off-by: Sachin Saxena <sachin.saxena@nxp.com>
---
 mk/machine/armv8a/rte.vars.mk | 3 +++
 mk/machine/dpaa/rte.vars.mk   | 3 +++
 mk/machine/dpaa2/rte.vars.mk  | 3 +++
 3 files changed, 9 insertions(+)

diff --git a/mk/machine/armv8a/rte.vars.mk b/mk/machine/armv8a/rte.vars.mk
index 8252efb..6897cd6 100644
--- a/mk/machine/armv8a/rte.vars.mk
+++ b/mk/machine/armv8a/rte.vars.mk
@@ -29,3 +29,6 @@
 # CPU_ASFLAGS =
 
 MACHINE_CFLAGS += -march=armv8-a+crc+crypto
+
+# To avoid TLS corruption issue.
+MACHINE_CFLAGS += -mtls-dialect=trad
diff --git a/mk/machine/dpaa/rte.vars.mk b/mk/machine/dpaa/rte.vars.mk
index bddcb80..75df626 100644
--- a/mk/machine/dpaa/rte.vars.mk
+++ b/mk/machine/dpaa/rte.vars.mk
@@ -32,3 +32,6 @@ MACHINE_CFLAGS += -march=armv8-a+crc
 ifdef CONFIG_RTE_ARCH_ARM_TUNE
 MACHINE_CFLAGS += -mtune=$(CONFIG_RTE_ARCH_ARM_TUNE:"%"=%)
 endif
+
+# To avoid TLS corruption issue.
+MACHINE_CFLAGS += -mtls-dialect=trad
diff --git a/mk/machine/dpaa2/rte.vars.mk b/mk/machine/dpaa2/rte.vars.mk
index 2fd2eac..aaa03c4 100644
--- a/mk/machine/dpaa2/rte.vars.mk
+++ b/mk/machine/dpaa2/rte.vars.mk
@@ -32,3 +32,6 @@ MACHINE_CFLAGS += -march=armv8-a+crc
 ifdef CONFIG_RTE_ARCH_ARM_TUNE
 MACHINE_CFLAGS += -mtune=$(CONFIG_RTE_ARCH_ARM_TUNE:"%"=%)
 endif
+
+# To avoid TLS corruption issue.
+MACHINE_CFLAGS += -mtls-dialect=trad
-- 
2.7.4