[dpdk-dev] [PATCH v2 3/3] eal/stack: enable lock-free stack for aarch64

Phil Yang phil.yang at arm.com
Sun Jun 23 05:15:46 CEST 2019


Enable both c11 atomic and non c11 atomic lock-free stack for aarch64.

Signed-off-by: Phil Yang <phil.yang at arm.com>
Reviewed-by: Honnappa Nagarahalli <honnappa.nagarahalli at arm.com>
Tested-by: Honnappa Nagarahalli <honnappa.nagarahalli at arm.com>
---
 doc/guides/rel_notes/release_19_08.rst  | 3 +++
 lib/librte_stack/rte_stack_lf_c11.h     | 4 ++--
 lib/librte_stack/rte_stack_lf_generic.h | 4 ++--
 3 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/doc/guides/rel_notes/release_19_08.rst b/doc/guides/rel_notes/release_19_08.rst
index 8c3932d..b79ae28 100644
--- a/doc/guides/rel_notes/release_19_08.rst
+++ b/doc/guides/rel_notes/release_19_08.rst
@@ -88,6 +88,9 @@ New Features
   * Added multi-queue support to allow one af_xdp vdev with multiple netdev
     queues
 
+* **Added Lock-free Stack for aarch64.**
+
+  The lock-free stack implementation is enabled for aarch64 platforms.
 
 Removed Items
 -------------
diff --git a/lib/librte_stack/rte_stack_lf_c11.h b/lib/librte_stack/rte_stack_lf_c11.h
index 3d677ae..67c21fd 100644
--- a/lib/librte_stack/rte_stack_lf_c11.h
+++ b/lib/librte_stack/rte_stack_lf_c11.h
@@ -36,7 +36,7 @@ __rte_stack_lf_push_elems(struct rte_stack_lf_list *list,
 			  struct rte_stack_lf_elem *last,
 			  unsigned int num)
 {
-#ifndef RTE_ARCH_X86_64
+#if !defined(RTE_ARCH_X86_64) && !defined(RTE_ARCH_ARM64)
 	RTE_SET_USED(first);
 	RTE_SET_USED(last);
 	RTE_SET_USED(list);
@@ -88,7 +88,7 @@ __rte_stack_lf_pop_elems(struct rte_stack_lf_list *list,
 			 void **obj_table,
 			 struct rte_stack_lf_elem **last)
 {
-#ifndef RTE_ARCH_X86_64
+#if !defined(RTE_ARCH_X86_64) && !defined(RTE_ARCH_ARM64)
 	RTE_SET_USED(obj_table);
 	RTE_SET_USED(last);
 	RTE_SET_USED(list);
diff --git a/lib/librte_stack/rte_stack_lf_generic.h b/lib/librte_stack/rte_stack_lf_generic.h
index 3182151..488fd9f 100644
--- a/lib/librte_stack/rte_stack_lf_generic.h
+++ b/lib/librte_stack/rte_stack_lf_generic.h
@@ -36,7 +36,7 @@ __rte_stack_lf_push_elems(struct rte_stack_lf_list *list,
 			  struct rte_stack_lf_elem *last,
 			  unsigned int num)
 {
-#ifndef RTE_ARCH_X86_64
+#if !defined(RTE_ARCH_X86_64) && !defined(RTE_ARCH_ARM64)
 	RTE_SET_USED(first);
 	RTE_SET_USED(last);
 	RTE_SET_USED(list);
@@ -84,7 +84,7 @@ __rte_stack_lf_pop_elems(struct rte_stack_lf_list *list,
 			 void **obj_table,
 			 struct rte_stack_lf_elem **last)
 {
-#ifndef RTE_ARCH_X86_64
+#if !defined(RTE_ARCH_X86_64) && !defined(RTE_ARCH_ARM64)
 	RTE_SET_USED(obj_table);
 	RTE_SET_USED(last);
 	RTE_SET_USED(list);
-- 
2.7.4



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