[CRIU] [PATCH 2/4] restore: Align stack to 16 bytes for arm64

[Vijaya Kumar K]

arm64 expects stack to be aligned to 16 bytes.
If stack pointer is not aligned clone system call
fails during restore.

Signed-off-by: Vijaya Kumar K <vijayak at caviumnetworks.com>
---
 cr-check.c   |    2 +-
 cr-restore.c |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/cr-check.c b/cr-check.c
index a3dc662..5b425f9 100644
--- a/cr-check.c
+++ b/cr-check.c
@@ -808,7 +808,7 @@ struct clone_arg {
 	 * Reserve some space for clone() to locate arguments
 	 * and retcode in this place
 	 */
-	char stack[128] __attribute__((aligned (8)));
+	char stack[128] __attribute__((aligned (16)));
 	char stack_ptr[0];
 };
 
diff --git a/cr-restore.c b/cr-restore.c
index 9fc1e3d..39c1b06 100644
--- a/cr-restore.c
+++ b/cr-restore.c
@@ -1094,7 +1094,7 @@ struct cr_clone_arg {
 	 * Reserve some space for clone() to locate arguments
 	 * and retcode in this place
 	 */
-	char stack[128] __attribute__((aligned (8)));
+	char stack[128] __attribute__((aligned (16)));
 	char stack_ptr[0];
 	struct pstree_item *item;
 	unsigned long clone_flags;
-- 
1.7.9.5