Re: [RFC PATCH v2] selinux: security: Move selinux_state to a separate page

[pnagar]

On 2021-01-13 16:26, David Howells wrote:
> Casey Schaufler <casey@xxxxxxxxxxxxxxxx> wrote:
>
> > >> How would this interact with or complement __read_mostly?
> > >>
> > > Currently, the mechanism we are working on developing is
> > > independent of __read_mostly. This is something we can look more into
> > > while working further on the mechanism.
> >
> > Please either integrate the two or explain how they differ.
> > It appears that you haven't considered how you might exploit
> > or expand the existing mechanism.
>
> I think __read_mostly is about grouping stuff together that's rarely 
> going to
> be read to make the CPU's data cache more efficient.  It doesn't stop 
> people
> writing to such a variable.
>
> David
Thank you for sharing!