linux-kernel - Re: [PATCH] x86/resctrl: Constify kernfs

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Message-ID: <3a32fd8a-2b41-3be5-2742-540ada4a21e5@intel.com>
Date:   Wed, 18 Nov 2020 15:35:29 -0800
From:   Reinette Chatre <reinette.chatre@...el.com>
To:     Rikard Falkeborn <rikard.falkeborn@...il.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>
Cc:     Fenghua Yu <fenghua.yu@...el.com>,
        "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86/resctrl: Constify kernfs_ops

On 11/10/2020 3:02 PM, Rikard Falkeborn wrote:
> The only usage of the kf_ops field in the rftype struct is to pass it as
> argument to __kernfs_create_file(), which accepts a pointer to const.
> Make it a pointer to const. This makes it possible to make
> rdtgroup_kf_single_ops and kf_mondata_ops const, which allows the
> compiler to put them in read-only memory.
> 
> Signed-off-by: Rikard Falkeborn <rikard.falkeborn@...il.com>

Thank you very much Rikard.

Acked-by: Reinette Chatre <reinette.chatre@...el.com>

Reinette