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[S390] s390: use sys_pause for 31bit pause entry point

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sys32_pause is a useless copy of the generic sys_pause.
(and it's certainly not there for old sparc32 binaries..)

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Christoph Hellwig 2008-10-10 21:33:19 +02:00 committed by Martin Schwidefsky
parent 7a0f475513
commit d86730bb95
4 changed files with 1 additions and 12 deletions
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8
arch/s390/kernel/compat_linux.c
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@ -608,14 +608,6 @@ asmlinkage long sys32_settimeofday(struct compat_timeval __user *tv, struct time
return do_sys_settimeofday(tv ? &kts : NULL, tz ? &ktz : NULL);
}
/* These are here just in case some old sparc32 binary calls it. */
asmlinkage long sys32_pause(void)
{
current->state = TASK_INTERRUPTIBLE;
schedule();
return -ERESTARTNOHAND;
}
asmlinkage long sys32_pread64(unsigned int fd, char __user *ubuf,
size_t count, u32 poshi, u32 poslo)
{

1
arch/s390/kernel/compat_linux.h
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@ -206,7 +206,6 @@ long sys32_gettimeofday(struct compat_timeval __user *tv,
struct timezone __user *tz);
long sys32_settimeofday(struct compat_timeval __user *tv,
struct timezone __user *tz);
long sys32_pause(void);
long sys32_pread64(unsigned int fd, char __user *ubuf, size_t count,
u32 poshi, u32 poslo);
long sys32_pwrite64(unsigned int fd, const char __user *ubuf,

2
arch/s390/kernel/compat_wrapper.S
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@ -128,8 +128,6 @@ sys32_alarm_wrapper:
llgfr %r2,%r2 # unsigned int
jg sys_alarm # branch to system call
#sys32_pause_wrapper # void
.globl compat_sys_utime_wrapper
compat_sys_utime_wrapper:
llgtr %r2,%r2 # char *

2
arch/s390/kernel/syscalls.S
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@ -37,7 +37,7 @@ SYSCALL(sys_stime,sys_ni_syscall,sys32_stime_wrapper) /* 25 old stime syscall *
SYSCALL(sys_ptrace,sys_ptrace,sys32_ptrace_wrapper)
SYSCALL(sys_alarm,sys_alarm,sys32_alarm_wrapper)
NI_SYSCALL /* old fstat syscall */
SYSCALL(sys_pause,sys_pause,sys32_pause)
SYSCALL(sys_pause,sys_pause,sys_pause)
SYSCALL(sys_utime,sys_utime,compat_sys_utime_wrapper) /* 30 */
NI_SYSCALL /* old stty syscall */
NI_SYSCALL /* old gtty syscall */