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

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Message-ID: <20190409223820.511e3671@oasis.local.home>
Date:   Tue, 9 Apr 2019 22:38:20 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     "Joel Fernandes (Google)" <joel@...lfernandes.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,  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 ..."

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

-- 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[] = {