diff options
Diffstat (limited to 'arch/s390/kernel/sys_s390.c')
| -rw-r--r-- | arch/s390/kernel/sys_s390.c | 43 | 
1 files changed, 7 insertions, 36 deletions
diff --git a/arch/s390/kernel/sys_s390.c b/arch/s390/kernel/sys_s390.c index 86a74c9c9e6..7b6b0f81a28 100644 --- a/arch/s390/kernel/sys_s390.c +++ b/arch/s390/kernel/sys_s390.c @@ -33,13 +33,12 @@  #include "entry.h"  /* - * Perform the select(nd, in, out, ex, tv) and mmap() system - * calls. Linux for S/390 isn't able to handle more than 5 - * system call parameters, so these system calls used a memory - * block for parameter passing.. + * Perform the mmap() system call. Linux for S/390 isn't able to handle more + * than 5 system call parameters, so this system call uses a memory block + * for parameter passing.   */ -struct mmap_arg_struct { +struct s390_mmap_arg_struct {  	unsigned long addr;  	unsigned long len;  	unsigned long prot; @@ -48,9 +47,9 @@ struct mmap_arg_struct {  	unsigned long offset;  }; -SYSCALL_DEFINE1(mmap2, struct mmap_arg_struct __user *, arg) +SYSCALL_DEFINE1(mmap2, struct s390_mmap_arg_struct __user *, arg)  { -	struct mmap_arg_struct a; +	struct s390_mmap_arg_struct a;  	int error = -EFAULT;  	if (copy_from_user(&a, arg, sizeof(a))) @@ -60,29 +59,12 @@ out:  	return error;  } -SYSCALL_DEFINE1(s390_old_mmap, struct mmap_arg_struct __user *, arg) -{ -	struct mmap_arg_struct a; -	long error = -EFAULT; - -	if (copy_from_user(&a, arg, sizeof(a))) -		goto out; - -	error = -EINVAL; -	if (a.offset & ~PAGE_MASK) -		goto out; - -	error = sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, a.offset >> PAGE_SHIFT); -out: -	return error; -} -  /*   * sys_ipc() is the de-multiplexer for the SysV IPC calls..   *   * This is really horribly ugly.   */ -SYSCALL_DEFINE5(ipc, uint, call, int, first, unsigned long, second, +SYSCALL_DEFINE5(s390_ipc, uint, call, int, first, unsigned long, second,  		unsigned long, third, void __user *, ptr)  {          struct ipc_kludge tmp; @@ -149,17 +131,6 @@ SYSCALL_DEFINE5(ipc, uint, call, int, first, unsigned long, second,  }  #ifdef CONFIG_64BIT -SYSCALL_DEFINE1(s390_newuname, struct new_utsname __user *, name) -{ -	int ret = sys_newuname(name); - -	if (personality(current->personality) == PER_LINUX32 && !ret) { -		ret = copy_to_user(name->machine, "s390\0\0\0\0", 8); -		if (ret) ret = -EFAULT; -	} -	return ret; -} -  SYSCALL_DEFINE1(s390_personality, unsigned long, personality)  {  	int ret;  |