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s390/compat: cleanup compat_linux.h header file

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Remove various declarations from former s390 specific compat system
calls which have been removed with commit fef747bab3 ("s390: use
generic UID16 implementation"). While at it clean up the whole small
header file.

Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
This commit is contained in:
Heiko Carstens 2022-05-04 15:23:39 +02:00
parent 29b06ad7e8
commit fcdc03f78d
1 changed files with 28 additions and 52 deletions
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46
arch/s390/kernel/compat_linux.h
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@ -7,11 +7,12 @@
#include <linux/syscalls.h>
#include <asm/ptrace.h>
/* Macro that masks the high order bit of an 32 bit pointer and converts it*/
/* to a 64 bit pointer */
/*
* Macro that masks the high order bit of a 32 bit pointer and
* converts it to a 64 bit pointer.
*/
#define A(__x) ((unsigned long)((__x) & 0x7FFFFFFFUL))
#define AA(__x) \
((unsigned long)(__x))
#define AA(__x) ((unsigned long)(__x))
/* Now 32bit compatibility types */
struct ipc_kludge_32 {
@ -20,34 +21,29 @@ struct ipc_kludge_32 {
};
/* asm/sigcontext.h */
typedef union
{
typedef union {
__u64 d;
__u32 f;
} freg_t32;
typedef struct
{
typedef struct {
unsigned int fpc;
unsigned int pad;
freg_t32 fprs[__NUM_FPRS];
} _s390_fp_regs32;
typedef struct
{
typedef struct {
psw_t32 psw;
__u32 gprs[__NUM_GPRS];
__u32 acrs[__NUM_ACRS];
} _s390_regs_common32;
typedef struct
{
typedef struct {
_s390_regs_common32 regs;
_s390_fp_regs32 fpregs;
} _sigregs32;
typedef struct
{
typedef struct {
__u32 gprs_high[__NUM_GPRS];
__u64 vxrs_low[__NUM_VXRS_LOW];
__vector128 vxrs_high[__NUM_VXRS_HIGH];
@ -59,8 +55,7 @@ typedef struct
#define __SIGNAL_FRAMESIZE32 96
#define _SIGMASK_COPY_SIZE32 (sizeof(u32) * 2)
struct sigcontext32
{
struct sigcontext32 {
__u32 oldmask[_COMPAT_NSIG_WORDS];
__u32 sregs; /* pointer */
};
@ -83,25 +78,6 @@ struct stat64_emu31;
struct mmap_arg_struct_emu31;
struct fadvise64_64_args;
long compat_sys_s390_chown16(const char __user *filename, u16 user, u16 group);
long compat_sys_s390_lchown16(const char __user *filename, u16 user, u16 group);
long compat_sys_s390_fchown16(unsigned int fd, u16 user, u16 group);
long compat_sys_s390_setregid16(u16 rgid, u16 egid);
long compat_sys_s390_setgid16(u16 gid);
long compat_sys_s390_setreuid16(u16 ruid, u16 euid);
long compat_sys_s390_setuid16(u16 uid);
long compat_sys_s390_setresuid16(u16 ruid, u16 euid, u16 suid);
long compat_sys_s390_getresuid16(u16 __user *ruid, u16 __user *euid, u16 __user *suid);
long compat_sys_s390_setresgid16(u16 rgid, u16 egid, u16 sgid);
long compat_sys_s390_getresgid16(u16 __user *rgid, u16 __user *egid, u16 __user *sgid);
long compat_sys_s390_setfsuid16(u16 uid);
long compat_sys_s390_setfsgid16(u16 gid);
long compat_sys_s390_getgroups16(int gidsetsize, u16 __user *grouplist);
long compat_sys_s390_setgroups16(int gidsetsize, u16 __user *grouplist);
long compat_sys_s390_getuid16(void);
long compat_sys_s390_geteuid16(void);
long compat_sys_s390_getgid16(void);
long compat_sys_s390_getegid16(void);
long compat_sys_s390_truncate64(const char __user *path, u32 high, u32 low);
long compat_sys_s390_ftruncate64(unsigned int fd, u32 high, u32 low);
long compat_sys_s390_pread64(unsigned int fd, char __user *ubuf, compat_size_t count, u32 high, u32 low);