Re: [PATCH v10 7/9] proc: move hidepid values to uapi as they are user interface to mount

[Alexey Gladkov]

On Sat, Mar 28, 2020 at 01:41:02PM -0700, Kees Cook wrote:
 > diff --git a/include/uapi/linux/proc_fs.h b/include/uapi/linux/proc_fs.h
> > new file mode 100644
> > index 000000000000..dc6d717aa6ec
> > --- /dev/null
> > +++ b/include/uapi/linux/proc_fs.h
> > @@ -0,0 +1,13 @@
> > +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
> > +#ifndef _UAPI_PROC_FS_H
> > +#define _UAPI_PROC_FS_H
> > +
> > +/* definitions for hide_pid field */
> > +enum {
> > +	HIDEPID_OFF            = 0,
> > +	HIDEPID_NO_ACCESS      = 1,
> > +	HIDEPID_INVISIBLE      = 2,
> > +	HIDEPID_NOT_PTRACEABLE = 4,
> > +};
> > +
> > +#endif
> > -- 
> > 2.25.2
> > 
> 
> Should the numeric values still be UAPI if there is string parsing now?

I think yes, because these are still valid hidepid= values.

-- 
Rgrds, legion