linux-kernel - Re: [PATCH 2/2] module: Make srcu_struct ptr array as read-only post init

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Date:   Tue, 9 Apr 2019 22:41:03 -0400
From:   Joel Fernandes <joel@...lfernandes.org>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     linux-kernel@...r.kernel.org, paulmck@...ux.vnet.ibm.com,
        keescook@...omium.org, Jessica Yu <jeyu@...nel.org>,
        kernel-hardening@...ts.openwall.com, kernel-team@...roid.com,
        mathieu.desnoyers@...icios.com, rcu@...r.kernel.org
Subject: Re: [PATCH 2/2] module: Make srcu_struct ptr array as read-only post
 init

On Tue, Apr 09, 2019 at 10:38:20PM -0400, Steven Rostedt wrote:
> On Tue,  9 Apr 2019 21:14:18 -0400
> "Joel Fernandes (Google)" <joel@...lfernandes.org> wrote:
> 
> >  /*
> > - * Mark ro_after_init section with SHF_RO_AFTER_INIT so that
> > + * These are section names marked with SHF_RO_AFTER_INIT so that
> 
> I'm curious to this much of a change. Wouldn't just making "section"
> plural also work?
> 
>  "Mark ro_after_init sections with ..."

Yes, I will change it to that and actually this comment change should go in
the previous patch so I'll squash it into that.

> Other than that, the two patches look fine to me.

Could I add your Reviewed-by in the respin?

thanks,

 - Joel


> -- Steve
> 
> >   * layout_sections() can put it in the right place.
> >   * Note: ro_after_init sections also have SHF_{WRITE,ALLOC} set.
> >   */
> > @@ -3314,6 +3314,13 @@ static char *ro_after_init_sections[] = {