Re: [RFC 5/7] cpu: mark ro_mostly_after_init for cpuhp_ap/bp_states

From	Ho-Eun Ryu <hoeun.ryu@gmail.com>
Newsgroups	linux.kernel
Subject	Re: [RFC 5/7] cpu: mark ro_mostly_after_init for cpuhp_ap/bp_states
Date	2017-02-21 06:50 +0100
Message-ID	<tdbuN-6BC-5@gated-at.bofh.it> (permalink)
References	<tcwBj-65E-3@gated-at.bofh.it> <tcwBk-65E-23@gated-at.bofh.it> <tcRw5-2e0-1@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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> On 20 Feb 2017, at 5:20 PM, Sebastian Andrzej Siewior <bigeasy@linutronix.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

Thread

[RFC 1/7] arch: add __ro_mostly_after_init section marker Hoeun Ryu <hoeun.ryu@gmail.com> - 2017-02-19 11:10 +0100
  [RFC 7/7] arm64: map seperately rodata sections for __ro_mostly_after_init section Hoeun Ryu <hoeun.ryu@gmail.com> - 2017-02-19 11:10 +0100
    Re: [RFC 7/7] arm64: map seperately rodata sections for  __ro_mostly_after_init section Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2017-02-19 12:50 +0100
      Re: [RFC 7/7] arm64: map seperately rodata sections for  __ro_mostly_after_init section Mark Rutland <mark.rutland@arm.com> - 2017-02-20 13:50 +0100
        Re: [RFC 7/7] arm64: map seperately rodata sections for  __ro_mostly_after_init section Kees Cook <keescook@chromium.org> - 2017-02-21 21:40 +0100
  [RFC 5/7] cpu: mark ro_mostly_after_init for cpuhp_ap/bp_states Hoeun Ryu <hoeun.ryu@gmail.com> - 2017-02-19 11:10 +0100
    Re: [RFC 5/7] cpu: mark ro_mostly_after_init for cpuhp_ap/bp_states Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2017-02-20 09:30 +0100
      Re: [RFC 5/7] cpu: mark ro_mostly_after_init for cpuhp_ap/bp_states Ho-Eun Ryu <hoeun.ryu@gmail.com> - 2017-02-21 06:50 +0100
  [RFC 4/7] selinux: mark __ro_mostly_after_init for selinux_hooks/selinux_nf_ops Hoeun Ryu <hoeun.ryu@gmail.com> - 2017-02-19 11:10 +0100
    Re: [RFC 4/7] selinux: mark __ro_mostly_after_init for  selinux_hooks/selinux_nf_ops Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> - 2017-02-21 11:40 +0100
  [RFC 3/7] module: modify memory attrs for __ro_mostly_after_init during module_init/exit Hoeun Ryu <hoeun.ryu@gmail.com> - 2017-02-19 11:10 +0100
    Re: [kernel-hardening] [RFC 3/7] module: modify memory attrs for  __ro_mostly_after_init during module_init/exit Mark Rutland <mark.rutland@arm.com> - 2017-02-20 11:40 +0100
      Re: [kernel-hardening] [RFC 3/7] module: modify memory attrs for  __ro_mostly_after_init during module_init/exit Ho-Eun Ryu <hoeun.ryu@gmail.com> - 2017-02-21 14:40 +0100
        Re: [kernel-hardening] [RFC 3/7] module: modify memory attrs for  __ro_mostly_after_init during module_init/exit Mark Rutland <mark.rutland@arm.com> - 2017-02-21 15:00 +0100
          Re: [kernel-hardening] [RFC 3/7] module: modify memory attrs for __ro_mostly_after_init during module_init/exit Hoeun Ryu <hoeun.ryu@gmail.com> - 2017-02-22 14:50 +0100
  [RFC 6/7] arm64: add __map_kernel_segment to accept additional vm flags Hoeun Ryu <hoeun.ryu@gmail.com> - 2017-02-19 11:10 +0100
    Re: [RFC 6/7] arm64: add __map_kernel_segment to accept additional vm flags Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2017-02-19 12:30 +0100
  Re: [kernel-hardening] [RFC 1/7] arch: add __ro_mostly_after_init  section marker Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2017-02-19 12:30 +0100
    Re: [kernel-hardening] [RFC 1/7] arch: add __ro_mostly_after_init  section marker Ho-Eun Ryu <hoeun.ryu@gmail.com> - 2017-02-21 07:40 +0100

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