aboutsummaryrefslogtreecommitdiff
path: root/arch/s390
diff options
context:
space:
mode:
authorAl Viro <viro@zeniv.linux.org.uk>2012-11-23 09:12:59 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2012-12-19 18:06:58 -0500
commit468366138850f20543f1d4878028900672b23dae (patch)
tree89c694a8e8cbf60656ac69a7f783a34d75288c4a /arch/s390
parent541880d9a2c7871f6370071d55aa6662d329c51e (diff)
downloadvexpress-lsk-468366138850f20543f1d4878028900672b23dae.tar.gz
COMPAT_SYSCALL_DEFINE: infrastructure
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/include/asm/compat.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/s390/include/asm/compat.h b/arch/s390/include/asm/compat.h
index 18cd6b59265..f8c6df6cd1f 100644
--- a/arch/s390/include/asm/compat.h
+++ b/arch/s390/include/asm/compat.h
@@ -7,6 +7,9 @@
#include <linux/sched.h>
#include <linux/thread_info.h>
+#define __TYPE_IS_PTR(t) (!__builtin_types_compatible_p(typeof(0?(t)0:0ULL), u64))
+#define __SC_DELOUSE(t,v) (t)(__TYPE_IS_PTR(t) ? ((v) & 0x7fffffff) : (v))
+
#define PSW32_MASK_PER 0x40000000UL
#define PSW32_MASK_DAT 0x04000000UL
#define PSW32_MASK_IO 0x02000000UL