diff options
Diffstat (limited to 'arch/xtensa/kernel/syscall.c')
-rw-r--r-- | arch/xtensa/kernel/syscall.c | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/arch/xtensa/kernel/syscall.c b/arch/xtensa/kernel/syscall.c index ac15ecbdf91..816e6d0d686 100644 --- a/arch/xtensa/kernel/syscall.c +++ b/arch/xtensa/kernel/syscall.c @@ -39,49 +39,6 @@ syscall_t sys_call_table[__NR_syscall_count] /* FIXME __cacheline_aligned */= { #include <asm/unistd.h> }; -/* - * xtensa_pipe() is the normal C calling standard for creating a pipe. It's not - * the way unix traditional does this, though. - */ - -asmlinkage long xtensa_pipe(int __user *userfds) -{ - int fd[2]; - int error; - - error = do_pipe_flags(fd, 0); - if (!error) { - if (copy_to_user(userfds, fd, 2 * sizeof(int))) - error = -EFAULT; - } - return error; -} - - -asmlinkage long xtensa_mmap2(unsigned long addr, unsigned long len, - unsigned long prot, unsigned long flags, - unsigned long fd, unsigned long pgoff) -{ - int error = -EBADF; - struct file * file = NULL; - - flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE); - if (!(flags & MAP_ANONYMOUS)) { - file = fget(fd); - if (!file) - goto out; - } - - down_write(¤t->mm->mmap_sem); - error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff); - up_write(¤t->mm->mmap_sem); - - if (file) - fput(file); -out: - return error; -} - asmlinkage long xtensa_shmat(int shmid, char __user *shmaddr, int shmflg) { unsigned long ret; |