linux-kernel - Re: [PATCH v10 15/28] x86/arch_prctl: Create ARCH_SET_STATE_ENABLE/ARCH_GET_STATE

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Message-ID: <D7EECF81-A701-4579-9775-481BB88F6D54@intel.com>
Date:   Wed, 25 Aug 2021 16:36:08 +0000
From:   "Bae, Chang Seok" <chang.seok.bae@...el.com>
To:     "bp@...e.de" <bp@...e.de>, "Lutomirski, Andy" <luto@...nel.org>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "mingo@...nel.org" <mingo@...nel.org>,
        "x86@...nel.org" <x86@...nel.org>
CC:     "Brown, Len" <len.brown@...el.com>,
        "lenb@...nel.org" <lenb@...nel.org>,
        "Hansen, Dave" <dave.hansen@...el.com>,
        "Macieira, Thiago" <thiago.macieira@...el.com>,
        "Liu, Jing2" <jing2.liu@...el.com>,
        "Shankar, Ravi V" <ravi.v.shankar@...el.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v10 15/28] x86/arch_prctl: Create
 ARCH_SET_STATE_ENABLE/ARCH_GET_STATE_ENABLE

On Aug 25, 2021, at 08:54, Bae, Chang Seok <chang.seok.bae@...el.com> wrote:
> 
> +	/*
> +	 * @state_perm:
> +	 *
> +	 * This bitmap indicates the permission for dynamic state
> +	 * components, which should be the same in a process.

Sorry, with my last minute changes, the text needs update. At least,
    s/, which should be the same in a process//

> +	 *
> +	 * Always reference group_leader's value via
> +	 * get_group_dynamic_state_perm() as it readily represents the
> +	 * process's state permission.
> +	 */
> +	u64				dynamic_state_perm;

Thanks,
Chang