Re: [RFC 2/5 v4] procfs: add hidepid= and gid= mount options

From: James Morris
Date: Mon Jun 20 2011 - 19:20:06 EST

On Mon, 20 Jun 2011, Vasiliy Kulikov wrote:

> > If they depend on specific permissions, yes.
> Could you please then clarify why does this patch changes
> pid_revalidate() behaviour:
> It changes files permissions to allow userspace apps to quickly stat
> files, not looking into /proc/PID/status. So, uid and gid are explicit
> ABI. Breaking procfs uid/gid attributes would break these apps.

Right, but I'm saying that apps which depend on specific permissions are
broken, which is not the uid / gid attributes.

James Morris
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