linux-kernel - Re: [PATCH v6 17/24] x86/resctrl: Move alloc/mon static keys into helpers

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Message-ID: <ae09459f-9412-16ff-de90-1e51504de4f0@intel.com>
Date:   Tue, 3 Oct 2023 14:19:21 -0700
From:   Reinette Chatre <reinette.chatre@...el.com>
To:     James Morse <james.morse@....com>, <x86@...nel.org>,
        <linux-kernel@...r.kernel.org>
CC:     Fenghua Yu <fenghua.yu@...el.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        H Peter Anvin <hpa@...or.com>,
        Babu Moger <Babu.Moger@....com>,
        <shameerali.kolothum.thodi@...wei.com>,
        D Scott Phillips OS <scott@...amperecomputing.com>,
        <carl@...amperecomputing.com>, <lcherian@...vell.com>,
        <bobo.shaobowang@...wei.com>, <tan.shaopeng@...itsu.com>,
        <xingxin.hx@...nanolis.org>, <baolin.wang@...ux.alibaba.com>,
        Jamie Iles <quic_jiles@...cinc.com>,
        Xin Hao <xhao@...ux.alibaba.com>, <peternewman@...gle.com>,
        <dfustini@...libre.com>, <amitsinght@...vell.com>
Subject: Re: [PATCH v6 17/24] x86/resctrl: Move alloc/mon static keys into
 helpers

Hi James,

On 9/14/2023 10:21 AM, James Morse wrote:
> resctrl enables three static keys depending on the features it has enabled.
> Another architecture's context switch code may look different, any
> static keys that control it should be buried behind helpers.
> 
> Move the alloc/mon logic into arch-specific helpers as a preparatory step
> for making the rdt_enable_key's status something the arch code decides.
> 
> This means other architectures don't have to mirror the static keys.
> 
> Reviewed-by: Shaopeng Tan <tan.shaopeng@...itsu.com>
> Tested-by: Shaopeng Tan <tan.shaopeng@...itsu.com>
> Tested-By: Peter Newman <peternewman@...gle.com>
> Signed-off-by: James Morse <james.morse@....com>
> ---

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

Reinette