On Wed, 2015-12-02 at 09:20 +0800, Zefan Li wrote:
> On 2015/12/1 23:22, Mike Galbraith wrote:
> > A legacy hierarchy child set that is not a subset of its parent is not
> > a permissions issue, it's an invalid configuration. Return -EINVAL.
> >
>
> It's sometimes arguable which errno should be used. In this case I don't
> see why we can't use EACCES. It's even documented in man page.
>
> EACCES Attempted to add, using write(2), a CPU or memory node to
> a
> cpuset, when that CPU or memory node was not already in its
> par-
> ent.
>
> Let's see another example. In mmap manual:
>
> EACCES A file descriptor refers to a non-regular file.
>
> We can argue fd of a non-regular file is an invalid configuration, but
> here we return EACCES.
Ok, works for me (official -ENOPE -> gripee), thanks.
-Mike
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
