--- /dev/null
+Subject: [PATCH] fix s390x_newuname
+
+From: Martin Schwidefsky <schwidefsky@de.ibm.com>
+
+The uname system call for 64 bit compares current->personality without
+masking the upper 16 bits. If e.g. READ_IMPLIES_EXEC is set the result
+of a uname system call will always be s390x even if the process uses
+the s390 personality.
+
+Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
+Acked-by: John Jolly <jjolly@novell.com>
+---
+ arch/s390/kernel/sys_s390.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+--- a/arch/s390/kernel/sys_s390.c
++++ b/arch/s390/kernel/sys_s390.c
+@@ -199,7 +199,7 @@ SYSCALL_DEFINE1(s390_newuname, struct ne
+ {
+ int ret = sys_newuname(name);
+
+- if (current->personality == PER_LINUX32 && !ret) {
++ if (personality(current->personality) == PER_LINUX32 && !ret) {
+ ret = copy_to_user(name->machine, "s390\0\0\0\0", 8);
+ if (ret) ret = -EFAULT;
+ }