Re: [PATCH] x86: Deprecate a.out support

From: Al Viro
Date: Sun Mar 10 2019 - 19:19:35 EST


On Sun, Mar 10, 2019 at 03:40:20PM -0700, Linus Torvalds wrote:
> SYSCALL_DEFINE3(osf_readv, unsigned long, fd,
> const struct iovec __user *, vector, unsigned long, count)
> {
> -#ifdef CONFIG_OSF4_COMPAT
> - if (unlikely(personality(current->personality) == PER_OSF4))
> - if (osf_fix_iov_len(vector, count))
> - return -EFAULT;
> -#endif
> -
> return sys_readv(fd, vector, count);
> }
>
> SYSCALL_DEFINE3(osf_writev, unsigned long, fd,
> const struct iovec __user *, vector, unsigned long, count)
> {
> -#ifdef CONFIG_OSF4_COMPAT
> - if (unlikely(personality(current->personality) == PER_OSF4))
> - if (osf_fix_iov_len(vector, count))
> - return -EFAULT;
> -#endif
> return sys_writev(fd, vector, count);
> }

Might as well kill those two off, while we are at it - just use sys_readv/sys_writev
in arch/alpha/kernel/syscalls/syscall.tbl and be done with that...