Arnd Bergmann a7a08b275a arch: remove compat_alloc_user_space
All users of compat_alloc_user_space() and copy_in_user() have been
removed from the kernel, only a few functions in sparc remain that can be
changed to calling arch_copy_in_user() instead.

Link: https://lkml.kernel.org/r/20210727144859.4150043-7-arnd@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Biederman <ebiederm@xmission.com>
Cc: Feng Tang <feng.tang@intel.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Helge Deller <deller@gmx.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-09-08 15:32:35 -07:00

155 lines
3.2 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_POWERPC_COMPAT_H
#define _ASM_POWERPC_COMPAT_H
#ifdef __KERNEL__
/*
* Architecture specific compatibility types
*/
#include <linux/types.h>
#include <linux/sched.h>
#include <asm-generic/compat.h>
#define COMPAT_USER_HZ 100
#ifdef __BIG_ENDIAN__
#define COMPAT_UTS_MACHINE "ppc\0\0"
#else
#define COMPAT_UTS_MACHINE "ppcle\0\0"
#endif
typedef u32 __compat_uid_t;
typedef u32 __compat_gid_t;
typedef u32 compat_dev_t;
typedef s16 compat_nlink_t;
typedef u16 compat_ipc_pid_t;
typedef __kernel_fsid_t compat_fsid_t;
struct compat_stat {
compat_dev_t st_dev;
compat_ino_t st_ino;
compat_mode_t st_mode;
compat_nlink_t st_nlink;
__compat_uid32_t st_uid;
__compat_gid32_t st_gid;
compat_dev_t st_rdev;
compat_off_t st_size;
compat_off_t st_blksize;
compat_off_t st_blocks;
old_time32_t st_atime;
u32 st_atime_nsec;
old_time32_t st_mtime;
u32 st_mtime_nsec;
old_time32_t st_ctime;
u32 st_ctime_nsec;
u32 __unused4[2];
};
struct compat_flock {
short l_type;
short l_whence;
compat_off_t l_start;
compat_off_t l_len;
compat_pid_t l_pid;
};
#define F_GETLK64 12 /* using 'struct flock64' */
#define F_SETLK64 13
#define F_SETLKW64 14
struct compat_flock64 {
short l_type;
short l_whence;
compat_loff_t l_start;
compat_loff_t l_len;
compat_pid_t l_pid;
};
struct compat_statfs {
int f_type;
int f_bsize;
int f_blocks;
int f_bfree;
int f_bavail;
int f_files;
int f_ffree;
compat_fsid_t f_fsid;
int f_namelen; /* SunOS ignores this field. */
int f_frsize;
int f_flags;
int f_spare[4];
};
#define COMPAT_RLIM_INFINITY 0xffffffff
#define COMPAT_OFF_T_MAX 0x7fffffff
/*
* ipc64_perm is actually 32/64bit clean but since the compat layer refers to
* it we may as well define it.
*/
struct compat_ipc64_perm {
compat_key_t key;
__compat_uid_t uid;
__compat_gid_t gid;
__compat_uid_t cuid;
__compat_gid_t cgid;
compat_mode_t mode;
unsigned int seq;
unsigned int __pad2;
unsigned long __unused1; /* yes they really are 64bit pads */
unsigned long __unused2;
};
struct compat_semid64_ds {
struct compat_ipc64_perm sem_perm;
unsigned int sem_otime_high;
unsigned int sem_otime;
unsigned int sem_ctime_high;
unsigned int sem_ctime;
compat_ulong_t sem_nsems;
compat_ulong_t __unused3;
compat_ulong_t __unused4;
};
struct compat_msqid64_ds {
struct compat_ipc64_perm msg_perm;
unsigned int msg_stime_high;
unsigned int msg_stime;
unsigned int msg_rtime_high;
unsigned int msg_rtime;
unsigned int msg_ctime_high;
unsigned int msg_ctime;
compat_ulong_t msg_cbytes;
compat_ulong_t msg_qnum;
compat_ulong_t msg_qbytes;
compat_pid_t msg_lspid;
compat_pid_t msg_lrpid;
compat_ulong_t __unused4;
compat_ulong_t __unused5;
};
struct compat_shmid64_ds {
struct compat_ipc64_perm shm_perm;
unsigned int shm_atime_high;
unsigned int shm_atime;
unsigned int shm_dtime_high;
unsigned int shm_dtime;
unsigned int shm_ctime_high;
unsigned int shm_ctime;
unsigned int __unused4;
compat_size_t shm_segsz;
compat_pid_t shm_cpid;
compat_pid_t shm_lpid;
compat_ulong_t shm_nattch;
compat_ulong_t __unused5;
compat_ulong_t __unused6;
};
static inline int is_compat_task(void)
{
return is_32bit_task();
}
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_COMPAT_H */