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authorHeiko Carstens <hca@linux.ibm.com>2022-05-04 15:23:39 +0200
committerHeiko Carstens <hca@linux.ibm.com>2022-05-06 20:45:16 +0200
commitfcdc03f78d5c8db53ba090e38474b05113d34ade (patch)
tree7f67ec96061f3376bd3c53c864ac887eca6bd5e3
parent29b06ad7e8a69ad1cbfe7898aef1d9cb7fbd02a5 (diff)
downloadlinux-next-fcdc03f78d5c8db53ba090e38474b05113d34ade.tar.gz
s390/compat: cleanup compat_linux.h header file
Remove various declarations from former s390 specific compat system calls which have been removed with commit fef747bab3c0 ("s390: use generic UID16 implementation"). While at it clean up the whole small header file. Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
-rw-r--r--arch/s390/kernel/compat_linux.h80
1 files changed, 28 insertions, 52 deletions
diff --git a/arch/s390/kernel/compat_linux.h b/arch/s390/kernel/compat_linux.h
index f46ca315631d..ef23739b277c 100644
--- a/arch/s390/kernel/compat_linux.h
+++ b/arch/s390/kernel/compat_linux.h
@@ -7,62 +7,57 @@
#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 */
-#define A(__x) ((unsigned long)((__x) & 0x7FFFFFFFUL))
-#define AA(__x) \
- ((unsigned long)(__x))
+/*
+ * 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))
/* Now 32bit compatibility types */
struct ipc_kludge_32 {
- __u32 msgp; /* pointer */
- __s32 msgtyp;
+ __u32 msgp; /* pointer */
+ __s32 msgtyp;
};
/* asm/sigcontext.h */
-typedef union
-{
- __u64 d;
- __u32 f;
+typedef union {
+ __u64 d;
+ __u32 f;
} freg_t32;
-typedef struct
-{
+typedef struct {
unsigned int fpc;
unsigned int pad;
- freg_t32 fprs[__NUM_FPRS];
+ 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;
+ _s390_fp_regs32 fpregs;
} _sigregs32;
-typedef struct
-{
- __u32 gprs_high[__NUM_GPRS];
- __u64 vxrs_low[__NUM_VXRS_LOW];
- __vector128 vxrs_high[__NUM_VXRS_HIGH];
- __u8 __reserved[128];
+typedef struct {
+ __u32 gprs_high[__NUM_GPRS];
+ __u64 vxrs_low[__NUM_VXRS_LOW];
+ __vector128 vxrs_high[__NUM_VXRS_HIGH];
+ __u8 __reserved[128];
} _sigregs_ext32;
#define _SIGCONTEXT_NSIG32 64
#define _SIGCONTEXT_NSIG_BPW32 32
#define __SIGNAL_FRAMESIZE32 96
-#define _SIGMASK_COPY_SIZE32 (sizeof(u32)*2)
+#define _SIGMASK_COPY_SIZE32 (sizeof(u32) * 2)
-struct sigcontext32
-{
+struct sigcontext32 {
__u32 oldmask[_COMPAT_NSIG_WORDS];
- __u32 sregs; /* pointer */
+ __u32 sregs; /* pointer */
};
/* asm/signal.h */
@@ -70,11 +65,11 @@ struct sigcontext32
/* asm/ucontext.h */
struct ucontext32 {
__u32 uc_flags;
- __u32 uc_link; /* pointer */
+ __u32 uc_link; /* pointer */
compat_stack_t uc_stack;
_sigregs32 uc_mcontext;
compat_sigset_t uc_sigmask;
- /* Allow for uc_sigmask growth. Glibc uses a 1024-bit sigset_t. */
+ /* Allow for uc_sigmask growth. Glibc uses a 1024-bit sigset_t. */
unsigned char __unused[128 - sizeof(compat_sigset_t)];
_sigregs_ext32 uc_mcontext_ext;
};
@@ -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);
@@ -113,8 +89,8 @@ long compat_sys_s390_fstat64(unsigned int fd, struct stat64_emu31 __user *statbu
long compat_sys_s390_fstatat64(unsigned int dfd, const char __user *filename, struct stat64_emu31 __user *statbuf, int flag);
long compat_sys_s390_old_mmap(struct mmap_arg_struct_emu31 __user *arg);
long compat_sys_s390_mmap2(struct mmap_arg_struct_emu31 __user *arg);
-long compat_sys_s390_read(unsigned int fd, char __user * buf, compat_size_t count);
-long compat_sys_s390_write(unsigned int fd, const char __user * buf, compat_size_t count);
+long compat_sys_s390_read(unsigned int fd, char __user *buf, compat_size_t count);
+long compat_sys_s390_write(unsigned int fd, const char __user *buf, compat_size_t count);
long compat_sys_s390_fadvise64(int fd, u32 high, u32 low, compat_size_t len, int advise);
long compat_sys_s390_fadvise64_64(struct fadvise64_64_args __user *args);
long compat_sys_s390_sync_file_range(int fd, u32 offhigh, u32 offlow, u32 nhigh, u32 nlow, unsigned int flags);