aboutsummaryrefslogtreecommitdiff
path: root/arch/powerpc/kernel/sys_ppc32.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/kernel/sys_ppc32.c')
-rw-r--r--arch/powerpc/kernel/sys_ppc32.c706
1 files changed, 3 insertions, 703 deletions
diff --git a/arch/powerpc/kernel/sys_ppc32.c b/arch/powerpc/kernel/sys_ppc32.c
index 4a4f5c6b560..8a285876aef 100644
--- a/arch/powerpc/kernel/sys_ppc32.c
+++ b/arch/powerpc/kernel/sys_ppc32.c
@@ -22,9 +22,7 @@
#include <linux/signal.h>
#include <linux/resource.h>
#include <linux/times.h>
-#include <linux/utsname.h>
#include <linux/smp.h>
-#include <linux/smp_lock.h>
#include <linux/sem.h>
#include <linux/msg.h>
#include <linux/shm.h>
@@ -42,74 +40,18 @@
#include <linux/ptrace.h>
#include <linux/elf.h>
#include <linux/ipc.h>
+#include <linux/slab.h>
#include <asm/ptrace.h>
#include <asm/types.h>
#include <asm/uaccess.h>
#include <asm/unistd.h>
-#include <asm/semaphore.h>
#include <asm/time.h>
#include <asm/mmu_context.h>
#include <asm/ppc-pci.h>
#include <asm/syscalls.h>
+#include <asm/switch_to.h>
-struct old_linux_dirent32 {
- u32 d_ino;
- u32 d_offset;
- unsigned short d_namlen;
- char d_name[1];
-};
-
-struct readdir_callback32 {
- struct old_linux_dirent32 __user * dirent;
- int count;
-};
-
-static int fillonedir(void * __buf, const char * name, int namlen,
- off_t offset, u64 ino, unsigned int d_type)
-{
- struct readdir_callback32 * buf = (struct readdir_callback32 *) __buf;
- struct old_linux_dirent32 __user * dirent;
- ino_t d_ino;
-
- if (buf->count)
- return -EINVAL;
- d_ino = ino;
- if (sizeof(d_ino) < sizeof(ino) && d_ino != ino)
- return -EOVERFLOW;
- buf->count++;
- dirent = buf->dirent;
- put_user(d_ino, &dirent->d_ino);
- put_user(offset, &dirent->d_offset);
- put_user(namlen, &dirent->d_namlen);
- copy_to_user(dirent->d_name, name, namlen);
- put_user(0, dirent->d_name + namlen);
- return 0;
-}
-
-asmlinkage int old32_readdir(unsigned int fd, struct old_linux_dirent32 __user *dirent, unsigned int count)
-{
- int error = -EBADF;
- struct file * file;
- struct readdir_callback32 buf;
-
- file = fget(fd);
- if (!file)
- goto out;
-
- buf.count = 0;
- buf.dirent = dirent;
-
- error = vfs_readdir(file, (filldir_t)fillonedir, &buf);
- if (error < 0)
- goto out_putf;
- error = buf.count;
-
-out_putf:
- fput(file);
-out:
- return error;
-}
asmlinkage long ppc32_select(u32 n, compat_ulong_t __user *inp,
compat_ulong_t __user *outp, compat_ulong_t __user *exp,
@@ -119,618 +61,6 @@ asmlinkage long ppc32_select(u32 n, compat_ulong_t __user *inp,
return compat_sys_select((int)n, inp, outp, exp, compat_ptr(tvp_x));
}
-int cp_compat_stat(struct kstat *stat, struct compat_stat __user *statbuf)
-{
- compat_ino_t ino;
- long err;
-
- if (stat->size > MAX_NON_LFS || !new_valid_dev(stat->dev) ||
- !new_valid_dev(stat->rdev))
- return -EOVERFLOW;
-
- ino = stat->ino;
- if (sizeof(ino) < sizeof(stat->ino) && ino != stat->ino)
- return -EOVERFLOW;
-
- err = access_ok(VERIFY_WRITE, statbuf, sizeof(*statbuf)) ? 0 : -EFAULT;
- err |= __put_user(new_encode_dev(stat->dev), &statbuf->st_dev);
- err |= __put_user(ino, &statbuf->st_ino);
- err |= __put_user(stat->mode, &statbuf->st_mode);
- err |= __put_user(stat->nlink, &statbuf->st_nlink);
- err |= __put_user(stat->uid, &statbuf->st_uid);
- err |= __put_user(stat->gid, &statbuf->st_gid);
- err |= __put_user(new_encode_dev(stat->rdev), &statbuf->st_rdev);
- err |= __put_user(stat->size, &statbuf->st_size);
- err |= __put_user(stat->atime.tv_sec, &statbuf->st_atime);
- err |= __put_user(stat->atime.tv_nsec, &statbuf->st_atime_nsec);
- err |= __put_user(stat->mtime.tv_sec, &statbuf->st_mtime);
- err |= __put_user(stat->mtime.tv_nsec, &statbuf->st_mtime_nsec);
- err |= __put_user(stat->ctime.tv_sec, &statbuf->st_ctime);
- err |= __put_user(stat->ctime.tv_nsec, &statbuf->st_ctime_nsec);
- err |= __put_user(stat->blksize, &statbuf->st_blksize);
- err |= __put_user(stat->blocks, &statbuf->st_blocks);
- err |= __put_user(0, &statbuf->__unused4[0]);
- err |= __put_user(0, &statbuf->__unused4[1]);
-
- return err;
-}
-
-/* Note: it is necessary to treat option as an unsigned int,
- * with the corresponding cast to a signed int to insure that the
- * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode)
- * and the register representation of a signed int (msr in 64-bit mode) is performed.
- */
-asmlinkage long compat_sys_sysfs(u32 option, u32 arg1, u32 arg2)
-{
- return sys_sysfs((int)option, arg1, arg2);
-}
-
-asmlinkage long compat_sys_pause(void)
-{
- current->state = TASK_INTERRUPTIBLE;
- schedule();
-
- return -ERESTARTNOHAND;
-}
-
-static inline long get_ts32(struct timespec *o, struct compat_timeval __user *i)
-{
- long usec;
-
- if (!access_ok(VERIFY_READ, i, sizeof(*i)))
- return -EFAULT;
- if (__get_user(o->tv_sec, &i->tv_sec))
- return -EFAULT;
- if (__get_user(usec, &i->tv_usec))
- return -EFAULT;
- o->tv_nsec = usec * 1000;
- return 0;
-}
-
-static inline long put_tv32(struct compat_timeval __user *o, struct timeval *i)
-{
- return (!access_ok(VERIFY_WRITE, o, sizeof(*o)) ||
- (__put_user(i->tv_sec, &o->tv_sec) |
- __put_user(i->tv_usec, &o->tv_usec)));
-}
-
-
-
-
-/* Translations due to time_t size differences. Which affects all
- sorts of things, like timeval and itimerval. */
-extern struct timezone sys_tz;
-
-asmlinkage long compat_sys_gettimeofday(struct compat_timeval __user *tv, struct timezone __user *tz)
-{
- if (tv) {
- struct timeval ktv;
- do_gettimeofday(&ktv);
- if (put_tv32(tv, &ktv))
- return -EFAULT;
- }
- if (tz) {
- if (copy_to_user(tz, &sys_tz, sizeof(sys_tz)))
- return -EFAULT;
- }
-
- return 0;
-}
-
-
-
-asmlinkage long compat_sys_settimeofday(struct compat_timeval __user *tv, struct timezone __user *tz)
-{
- struct timespec kts;
- struct timezone ktz;
-
- if (tv) {
- if (get_ts32(&kts, tv))
- return -EFAULT;
- }
- if (tz) {
- if (copy_from_user(&ktz, tz, sizeof(ktz)))
- return -EFAULT;
- }
-
- return do_sys_settimeofday(tv ? &kts : NULL, tz ? &ktz : NULL);
-}
-
-#ifdef CONFIG_SYSVIPC
-long compat_sys_ipc(u32 call, u32 first, u32 second, u32 third, compat_uptr_t ptr,
- u32 fifth)
-{
- int version;
-
- version = call >> 16; /* hack for backward compatibility */
- call &= 0xffff;
-
- switch (call) {
-
- case SEMTIMEDOP:
- if (fifth)
- /* sign extend semid */
- return compat_sys_semtimedop((int)first,
- compat_ptr(ptr), second,
- compat_ptr(fifth));
- /* else fall through for normal semop() */
- case SEMOP:
- /* struct sembuf is the same on 32 and 64bit :)) */
- /* sign extend semid */
- return sys_semtimedop((int)first, compat_ptr(ptr), second,
- NULL);
- case SEMGET:
- /* sign extend key, nsems */
- return sys_semget((int)first, (int)second, third);
- case SEMCTL:
- /* sign extend semid, semnum */
- return compat_sys_semctl((int)first, (int)second, third,
- compat_ptr(ptr));
-
- case MSGSND:
- /* sign extend msqid */
- return compat_sys_msgsnd((int)first, (int)second, third,
- compat_ptr(ptr));
- case MSGRCV:
- /* sign extend msqid, msgtyp */
- return compat_sys_msgrcv((int)first, second, (int)fifth,
- third, version, compat_ptr(ptr));
- case MSGGET:
- /* sign extend key */
- return sys_msgget((int)first, second);
- case MSGCTL:
- /* sign extend msqid */
- return compat_sys_msgctl((int)first, second, compat_ptr(ptr));
-
- case SHMAT:
- /* sign extend shmid */
- return compat_sys_shmat((int)first, second, third, version,
- compat_ptr(ptr));
- case SHMDT:
- return sys_shmdt(compat_ptr(ptr));
- case SHMGET:
- /* sign extend key_t */
- return sys_shmget((int)first, second, third);
- case SHMCTL:
- /* sign extend shmid */
- return compat_sys_shmctl((int)first, second, compat_ptr(ptr));
-
- default:
- return -ENOSYS;
- }
-
- return -ENOSYS;
-}
-#endif
-
-/* Note: it is necessary to treat out_fd and in_fd as unsigned ints,
- * with the corresponding cast to a signed int to insure that the
- * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode)
- * and the register representation of a signed int (msr in 64-bit mode) is performed.
- */
-asmlinkage long compat_sys_sendfile(u32 out_fd, u32 in_fd, compat_off_t __user * offset, u32 count)
-{
- mm_segment_t old_fs = get_fs();
- int ret;
- off_t of;
- off_t __user *up;
-
- if (offset && get_user(of, offset))
- return -EFAULT;
-
- /* The __user pointer cast is valid because of the set_fs() */
- set_fs(KERNEL_DS);
- up = offset ? (off_t __user *) &of : NULL;
- ret = sys_sendfile((int)out_fd, (int)in_fd, up, count);
- set_fs(old_fs);
-
- if (offset && put_user(of, offset))
- return -EFAULT;
-
- return ret;
-}
-
-asmlinkage int compat_sys_sendfile64(int out_fd, int in_fd, compat_loff_t __user *offset, s32 count)
-{
- mm_segment_t old_fs = get_fs();
- int ret;
- loff_t lof;
- loff_t __user *up;
-
- if (offset && get_user(lof, offset))
- return -EFAULT;
-
- /* The __user pointer cast is valid because of the set_fs() */
- set_fs(KERNEL_DS);
- up = offset ? (loff_t __user *) &lof : NULL;
- ret = sys_sendfile64(out_fd, in_fd, up, count);
- set_fs(old_fs);
-
- if (offset && put_user(lof, offset))
- return -EFAULT;
-
- return ret;
-}
-
-long compat_sys_execve(unsigned long a0, unsigned long a1, unsigned long a2,
- unsigned long a3, unsigned long a4, unsigned long a5,
- struct pt_regs *regs)
-{
- int error;
- char * filename;
-
- filename = getname((char __user *) a0);
- error = PTR_ERR(filename);
- if (IS_ERR(filename))
- goto out;
- flush_fp_to_thread(current);
- flush_altivec_to_thread(current);
-
- error = compat_do_execve(filename, compat_ptr(a1), compat_ptr(a2), regs);
-
- if (error == 0) {
- task_lock(current);
- current->ptrace &= ~PT_DTRACE;
- task_unlock(current);
- }
- putname(filename);
-
-out:
- return error;
-}
-
-/* Note: it is necessary to treat option as an unsigned int,
- * with the corresponding cast to a signed int to insure that the
- * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode)
- * and the register representation of a signed int (msr in 64-bit mode) is performed.
- */
-asmlinkage long compat_sys_prctl(u32 option, u32 arg2, u32 arg3, u32 arg4, u32 arg5)
-{
- return sys_prctl((int)option,
- (unsigned long) arg2,
- (unsigned long) arg3,
- (unsigned long) arg4,
- (unsigned long) arg5);
-}
-
-/* Note: it is necessary to treat pid as an unsigned int,
- * with the corresponding cast to a signed int to insure that the
- * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode)
- * and the register representation of a signed int (msr in 64-bit mode) is performed.
- */
-asmlinkage long compat_sys_sched_rr_get_interval(u32 pid, struct compat_timespec __user *interval)
-{
- struct timespec t;
- int ret;
- mm_segment_t old_fs = get_fs ();
-
- /* The __user pointer cast is valid because of the set_fs() */
- set_fs (KERNEL_DS);
- ret = sys_sched_rr_get_interval((int)pid, (struct timespec __user *) &t);
- set_fs (old_fs);
- if (put_compat_timespec(&t, interval))
- return -EFAULT;
- return ret;
-}
-
-/* Note: it is necessary to treat mode as an unsigned int,
- * with the corresponding cast to a signed int to insure that the
- * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode)
- * and the register representation of a signed int (msr in 64-bit mode) is performed.
- */
-asmlinkage long compat_sys_access(const char __user * filename, u32 mode)
-{
- return sys_access(filename, (int)mode);
-}
-
-
-/* Note: it is necessary to treat mode as an unsigned int,
- * with the corresponding cast to a signed int to insure that the
- * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode)
- * and the register representation of a signed int (msr in 64-bit mode) is performed.
- */
-asmlinkage long compat_sys_creat(const char __user * pathname, u32 mode)
-{
- return sys_creat(pathname, (int)mode);
-}
-
-
-/* Note: it is necessary to treat pid and options as unsigned ints,
- * with the corresponding cast to a signed int to insure that the
- * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode)
- * and the register representation of a signed int (msr in 64-bit mode) is performed.
- */
-asmlinkage long compat_sys_waitpid(u32 pid, unsigned int __user * stat_addr, u32 options)
-{
- return sys_waitpid((int)pid, stat_addr, (int)options);
-}
-
-
-/* Note: it is necessary to treat gidsetsize as an unsigned int,
- * with the corresponding cast to a signed int to insure that the
- * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode)
- * and the register representation of a signed int (msr in 64-bit mode) is performed.
- */
-asmlinkage long compat_sys_getgroups(u32 gidsetsize, gid_t __user *grouplist)
-{
- return sys_getgroups((int)gidsetsize, grouplist);
-}
-
-
-/* Note: it is necessary to treat pid as an unsigned int,
- * with the corresponding cast to a signed int to insure that the
- * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode)
- * and the register representation of a signed int (msr in 64-bit mode) is performed.
- */
-asmlinkage long compat_sys_getpgid(u32 pid)
-{
- return sys_getpgid((int)pid);
-}
-
-
-
-/* Note: it is necessary to treat pid as an unsigned int,
- * with the corresponding cast to a signed int to insure that the
- * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode)
- * and the register representation of a signed int (msr in 64-bit mode) is performed.
- */
-asmlinkage long compat_sys_getsid(u32 pid)
-{
- return sys_getsid((int)pid);
-}
-
-
-/* Note: it is necessary to treat pid and sig as unsigned ints,
- * with the corresponding cast to a signed int to insure that the
- * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode)
- * and the register representation of a signed int (msr in 64-bit mode) is performed.
- */
-asmlinkage long compat_sys_kill(u32 pid, u32 sig)
-{
- return sys_kill((int)pid, (int)sig);
-}
-
-
-/* Note: it is necessary to treat mode as an unsigned int,
- * with the corresponding cast to a signed int to insure that the
- * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode)
- * and the register representation of a signed int (msr in 64-bit mode) is performed.
- */
-asmlinkage long compat_sys_mkdir(const char __user * pathname, u32 mode)
-{
- return sys_mkdir(pathname, (int)mode);
-}
-
-long compat_sys_nice(u32 increment)
-{
- /* sign extend increment */
- return sys_nice((int)increment);
-}
-
-off_t ppc32_lseek(unsigned int fd, u32 offset, unsigned int origin)
-{
- /* sign extend n */
- return sys_lseek(fd, (int)offset, origin);
-}
-
-/* Note: it is necessary to treat bufsiz as an unsigned int,
- * with the corresponding cast to a signed int to insure that the
- * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode)
- * and the register representation of a signed int (msr in 64-bit mode) is performed.
- */
-asmlinkage long compat_sys_readlink(const char __user * path, char __user * buf, u32 bufsiz)
-{
- return sys_readlink(path, buf, (int)bufsiz);
-}
-
-/* Note: it is necessary to treat option as an unsigned int,
- * with the corresponding cast to a signed int to insure that the
- * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode)
- * and the register representation of a signed int (msr in 64-bit mode) is performed.
- */
-asmlinkage long compat_sys_sched_get_priority_max(u32 policy)
-{
- return sys_sched_get_priority_max((int)policy);
-}
-
-
-/* Note: it is necessary to treat policy as an unsigned int,
- * with the corresponding cast to a signed int to insure that the
- * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode)
- * and the register representation of a signed int (msr in 64-bit mode) is performed.
- */
-asmlinkage long compat_sys_sched_get_priority_min(u32 policy)
-{
- return sys_sched_get_priority_min((int)policy);
-}
-
-
-/* Note: it is necessary to treat pid as an unsigned int,
- * with the corresponding cast to a signed int to insure that the
- * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode)
- * and the register representation of a signed int (msr in 64-bit mode) is performed.
- */
-asmlinkage long compat_sys_sched_getparam(u32 pid, struct sched_param __user *param)
-{
- return sys_sched_getparam((int)pid, param);
-}
-
-
-/* Note: it is necessary to treat pid as an unsigned int,
- * with the corresponding cast to a signed int to insure that the
- * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode)
- * and the register representation of a signed int (msr in 64-bit mode) is performed.
- */
-asmlinkage long compat_sys_sched_getscheduler(u32 pid)
-{
- return sys_sched_getscheduler((int)pid);
-}
-
-
-/* Note: it is necessary to treat pid as an unsigned int,
- * with the corresponding cast to a signed int to insure that the
- * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode)
- * and the register representation of a signed int (msr in 64-bit mode) is performed.
- */
-asmlinkage long compat_sys_sched_setparam(u32 pid, struct sched_param __user *param)
-{
- return sys_sched_setparam((int)pid, param);
-}
-
-
-/* Note: it is necessary to treat pid and policy as unsigned ints,
- * with the corresponding cast to a signed int to insure that the
- * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode)
- * and the register representation of a signed int (msr in 64-bit mode) is performed.
- */
-asmlinkage long compat_sys_sched_setscheduler(u32 pid, u32 policy, struct sched_param __user *param)
-{
- return sys_sched_setscheduler((int)pid, (int)policy, param);
-}
-
-
-/* Note: it is necessary to treat len as an unsigned int,
- * with the corresponding cast to a signed int to insure that the
- * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode)
- * and the register representation of a signed int (msr in 64-bit mode) is performed.
- */
-asmlinkage long compat_sys_setdomainname(char __user *name, u32 len)
-{
- return sys_setdomainname(name, (int)len);
-}
-
-
-/* Note: it is necessary to treat gidsetsize as an unsigned int,
- * with the corresponding cast to a signed int to insure that the
- * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode)
- * and the register representation of a signed int (msr in 64-bit mode) is performed.
- */
-asmlinkage long compat_sys_setgroups(u32 gidsetsize, gid_t __user *grouplist)
-{
- return sys_setgroups((int)gidsetsize, grouplist);
-}
-
-
-asmlinkage long compat_sys_sethostname(char __user *name, u32 len)
-{
- /* sign extend len */
- return sys_sethostname(name, (int)len);
-}
-
-
-/* Note: it is necessary to treat pid and pgid as unsigned ints,
- * with the corresponding cast to a signed int to insure that the
- * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode)
- * and the register representation of a signed int (msr in 64-bit mode) is performed.
- */
-asmlinkage long compat_sys_setpgid(u32 pid, u32 pgid)
-{
- return sys_setpgid((int)pid, (int)pgid);
-}
-
-long compat_sys_getpriority(u32 which, u32 who)
-{
- /* sign extend which and who */
- return sys_getpriority((int)which, (int)who);
-}
-
-long compat_sys_setpriority(u32 which, u32 who, u32 niceval)
-{
- /* sign extend which, who and niceval */
- return sys_setpriority((int)which, (int)who, (int)niceval);
-}
-
-long compat_sys_ioprio_get(u32 which, u32 who)
-{
- /* sign extend which and who */
- return sys_ioprio_get((int)which, (int)who);
-}
-
-long compat_sys_ioprio_set(u32 which, u32 who, u32 ioprio)
-{
- /* sign extend which, who and ioprio */
- return sys_ioprio_set((int)which, (int)who, (int)ioprio);
-}
-
-/* Note: it is necessary to treat newmask as an unsigned int,
- * with the corresponding cast to a signed int to insure that the
- * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode)
- * and the register representation of a signed int (msr in 64-bit mode) is performed.
- */
-asmlinkage long compat_sys_ssetmask(u32 newmask)
-{
- return sys_ssetmask((int) newmask);
-}
-
-asmlinkage long compat_sys_syslog(u32 type, char __user * buf, u32 len)
-{
- /* sign extend len */
- return sys_syslog(type, buf, (int)len);
-}
-
-
-/* Note: it is necessary to treat mask as an unsigned int,
- * with the corresponding cast to a signed int to insure that the
- * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode)
- * and the register representation of a signed int (msr in 64-bit mode) is performed.
- */
-asmlinkage long compat_sys_umask(u32 mask)
-{
- return sys_umask((int)mask);
-}
-
-#ifdef CONFIG_SYSCTL_SYSCALL
-struct __sysctl_args32 {
- u32 name;
- int nlen;
- u32 oldval;
- u32 oldlenp;
- u32 newval;
- u32 newlen;
- u32 __unused[4];
-};
-
-asmlinkage long compat_sys_sysctl(struct __sysctl_args32 __user *args)
-{
- struct __sysctl_args32 tmp;
- int error;
- size_t oldlen;
- size_t __user *oldlenp = NULL;
- unsigned long addr = (((unsigned long)&args->__unused[0]) + 7) & ~7;
-
- if (copy_from_user(&tmp, args, sizeof(tmp)))
- return -EFAULT;
-
- if (tmp.oldval && tmp.oldlenp) {
- /* Duh, this is ugly and might not work if sysctl_args
- is in read-only memory, but do_sysctl does indirectly
- a lot of uaccess in both directions and we'd have to
- basically copy the whole sysctl.c here, and
- glibc's __sysctl uses rw memory for the structure
- anyway. */
- oldlenp = (size_t __user *)addr;
- if (get_user(oldlen, (compat_size_t __user *)compat_ptr(tmp.oldlenp)) ||
- put_user(oldlen, oldlenp))
- return -EFAULT;
- }
-
- lock_kernel();
- error = do_sysctl(compat_ptr(tmp.name), tmp.nlen,
- compat_ptr(tmp.oldval), oldlenp,
- compat_ptr(tmp.newval), tmp.newlen);
- unlock_kernel();
- if (oldlenp) {
- if (!error) {
- if (get_user(oldlen, oldlenp) ||
- put_user(oldlen, (compat_size_t __user *)compat_ptr(tmp.oldlenp)))
- error = -EFAULT;
- }
- copy_to_user(args->__unused, tmp.__unused, sizeof(tmp.__unused));
- }
- return error;
-}
-#endif
-
unsigned long compat_sys_mmap2(unsigned long addr, size_t len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long pgoff)
@@ -739,12 +69,6 @@ unsigned long compat_sys_mmap2(unsigned long addr, size_t len,
return sys_mmap(addr, len, prot, flags, fd, pgoff << 12);
}
-long compat_sys_tgkill(u32 tgid, u32 pid, int sig)
-{
- /* sign extend tgid, pid */
- return sys_tgkill((int)tgid, (int)pid, sig);
-}
-
/*
* long long munging:
* The 32 bit ABI passes long longs in an odd even register pair.
@@ -756,7 +80,7 @@ compat_ssize_t compat_sys_pread64(unsigned int fd, char __user *ubuf, compat_siz
return sys_pread64(fd, ubuf, count, ((loff_t)poshi << 32) | poslo);
}
-compat_ssize_t compat_sys_pwrite64(unsigned int fd, char __user *ubuf, compat_size_t count,
+compat_ssize_t compat_sys_pwrite64(unsigned int fd, const char __user *ubuf, compat_size_t count,
u32 reg6, u32 poshi, u32 poslo)
{
return sys_pwrite64(fd, ubuf, count, ((loff_t)poshi << 32) | poslo);
@@ -786,13 +110,6 @@ asmlinkage int compat_sys_ftruncate64(unsigned int fd, u32 reg4, unsigned long h
return sys_ftruncate(fd, (high << 32) | low);
}
-long ppc32_lookup_dcookie(u32 cookie_high, u32 cookie_low, char __user *buf,
- size_t len)
-{
- return sys_lookup_dcookie((u64)cookie_high << 32 | cookie_low,
- buf, len);
-}
-
long ppc32_fadvise64(int fd, u32 unused, u32 offset_high, u32 offset_low,
size_t len, int advice)
{
@@ -800,23 +117,6 @@ long ppc32_fadvise64(int fd, u32 unused, u32 offset_high, u32 offset_low,
advice);
}
-asmlinkage long compat_sys_add_key(const char __user *_type,
- const char __user *_description,
- const void __user *_payload,
- u32 plen,
- u32 ringid)
-{
- return sys_add_key(_type, _description, _payload, plen, ringid);
-}
-
-asmlinkage long compat_sys_request_key(const char __user *_type,
- const char __user *_description,
- const char __user *_callout_info,
- u32 destringid)
-{
- return sys_request_key(_type, _description, _callout_info, destringid);
-}
-
asmlinkage long compat_sys_sync_file_range2(int fd, unsigned int flags,
unsigned offset_hi, unsigned offset_lo,
unsigned nbytes_hi, unsigned nbytes_lo)