# Re: \[PATCH\] capabilities: Ambient capability set V1

- From: Serge E. Hallyn \<serge@hallyn.com\>
- Date: 2015-02-26 20:34:09 
- List: linux-api
- Page: https://ratatoskr.run/linux-api/2015/02/4438532
- Thread: https://ratatoskr.run/linux-api/2015/02/4426512/t.md

```text
On Thu, Feb 26, 2015 at 02:13:00PM -0600, Christoph Lameter wrote:
> On Thu, 26 Feb 2015, Serge E. Hallyn wrote:
> 
> > Andrew Morgan was against that.  What if we changed
> >
> > pE' = pP' & (fE | pA)
> >
> > to
> >
> > 	if (pA)
> > 		pE' = pP' & fE
> > 	else
> > 		pE' = pP'
> >
> 
> Same problem as before. The ambient bits will not be set in pE'.

And what if I weren't scatterbrained and we did 

 	if (pA)
 		pE' = pP'
 	else
 		pE' = pP' & fE

All pP' bits would be set in pE'.
```