diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-11-23 09:12:59 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-12-19 18:06:58 -0500 |
| commit | 468366138850f20543f1d4878028900672b23dae (patch) | |
| tree | 89c694a8e8cbf60656ac69a7f783a34d75288c4a /arch/s390 | |
| parent | 541880d9a2c7871f6370071d55aa6662d329c51e (diff) | |
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.h | 3 |
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 |