linux-kernel - Re: [RFC 5/7] cpu: mark ro_mostly_after_init for cpuhp_ap/bp

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Date:   Tue, 21 Feb 2017 14:47:08 +0900
From:   Ho-Eun Ryu <hoeun.ryu@...il.com>
To:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc:     kernel-hardening@...ts.openwall.com, linux-kernel@...r.kernel.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...nel.org>,
        Anna-Maria Gleixner <anna-maria@...utronix.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>
Subject: Re: [RFC 5/7] cpu: mark ro_mostly_after_init for cpuhp_ap/bp_states


> On 20 Feb 2017, at 5:20 PM, Sebastian Andrzej Siewior <bigeasy@...utronix.de> wrote:
> 
> On 2017-02-19 19:04:08 [+0900], Hoeun Ryu wrote:
>> It would be good that `__ro_mostly_after_init` is marked to cpuhp state
>> objects. 
> why?
> 

I’m requesting for comments of a new feature called __ro_mostly_after_init section marker.
It’s similar to __ro_after_init, but the section can be writable for some point of time.
Please see the cover letter [1] and the first patch [2].

[1] : https://lkml.org/lkml/2017/2/19/29
[2] : https://lkml.org/lkml/2017/2/19/32

> Sebastian