[dpdk-stable] patch 'net/mlx4: fix build on ppc64' has been queued to LTS release 18.11.6

[Kevin Traynor]

Hi,

FYI, your patch has been queued to LTS release 18.11.6

Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet.
It will be pushed if I get no objections before 11/29/19. So please
shout if anyone has objections.

Also note that after the patch there's a diff of the upstream commit vs the
patch applied to the branch. This will indicate if there was any rebasing
needed to apply to the stable branch. If there were code changes for rebasing
(ie: not only metadata diffs), please double check that the rebase was
correctly done.

Queued patches are on a temporary branch at:
https://github.com/kevintraynor/dpdk-stable-queue

This queued commit can be viewed at:
https://github.com/kevintraynor/dpdk-stable-queue/commit/c78fa03e94cfce26cbc492455b76422b66355770

Thanks.

Kevin.

---
>From c78fa03e94cfce26cbc492455b76422b66355770 Mon Sep 17 00:00:00 2001
From: Christian Ehrhardt <christian.ehrhardt at canonical.com>
Date: Tue, 13 Aug 2019 13:28:43 +0200
Subject: [PATCH] net/mlx4: fix build on ppc64

[ upstream commit ceadf1a405d9951c6d15ed27e010f5b1a80dbdf5 ]

The AltiVec header file breaks boolean type:

error: incompatible types when initializing type
'__vector _bool int' {aka '_vector(4) __bool int'} using type 'int'

If __APPLE_ALTIVEC__ is defined, then bool type is redefined
and conflicts with stdbool.h.

There is no good solution to fix it for the whole project without
breaking something else, so a workaround is inserted in mlx5 PMD.
This workaround is not compatible with C++ but there is no C++ in DPDK.

Related to: 725f5dd0bfb5 ("net/mlx5: fix build on PPC64")

Signed-off-by: Christian Ehrhardt <christian.ehrhardt at canonical.com>
Tested-by: David Christensen <drc at linux.vnet.ibm.com>
Acked-by: Matan Azrad <matan at mellanox.com>
---
 drivers/net/mlx4/mlx4_utils.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/net/mlx4/mlx4_utils.h b/drivers/net/mlx4/mlx4_utils.h
index 86abb3b7e..2a550df88 100644
--- a/drivers/net/mlx4/mlx4_utils.h
+++ b/drivers/net/mlx4/mlx4_utils.h
@@ -16,4 +16,14 @@
 #include "mlx4.h"
 
+/*
+ * Compilation workaround for PPC64 when AltiVec is fully enabled, e.g. std=c11.
+ * Otherwise there would be a type conflict between stdbool and altivec.
+ */
+#if defined(__PPC64__) && !defined(__APPLE_ALTIVEC__)
+#undef bool
+/* redefine as in stdbool.h */
+#define bool _Bool
+#endif
+
 #ifndef NDEBUG
 
-- 
2.21.0

---
  Diff of the applied patch vs upstream commit (please double-check if non-empty:
---
--- -	2019-11-22 14:36:55.714735760 +0000
+++ 0009-net-mlx4-fix-build-on-ppc64.patch	2019-11-22 14:36:55.152150248 +0000
@@ -1 +1 @@
-From ceadf1a405d9951c6d15ed27e010f5b1a80dbdf5 Mon Sep 17 00:00:00 2001
+From c78fa03e94cfce26cbc492455b76422b66355770 Mon Sep 17 00:00:00 2001
@@ -5,0 +6,2 @@
+[ upstream commit ceadf1a405d9951c6d15ed27e010f5b1a80dbdf5 ]
+
@@ -19 +20,0 @@
-Cc: stable at dpdk.org
@@ -29 +30 @@
-index a49190252..74b9d2ecd 100644
+index 86abb3b7e..2a550df88 100644
@@ -45 +46 @@
- extern int mlx4_logtype;
+ #ifndef NDEBUG