linux-kernel - Re: [PATCH v1 01/20] x86/resctrl: Kill off alloc

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Message-ID: <YRO+kCdb43EzXEBa@hazel>
Date:   Wed, 11 Aug 2021 13:12:00 +0100
From:   Jamie Iles <jamie@...iainc.com>
To:     James Morse <james.morse@....com>
Cc:     x86@...nel.org, linux-kernel@...r.kernel.org,
        Fenghua Yu <fenghua.yu@...el.com>,
        Reinette Chatre <reinette.chatre@...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,
        Jamie Iles <jamie@...iainc.com>,
        D Scott Phillips OS <scott@...amperecomputing.com>,
        lcherian@...vell.com, bobo.shaobowang@...wei.com
Subject: Re: [PATCH v1 01/20] x86/resctrl: Kill off alloc_enabled

Hi James,

On Thu, Jul 29, 2021 at 10:35:51PM +0000, James Morse wrote:
> rdt_resources_all[] used to have extra entries for L2CODE/L2DATA entries.
> These were hidden from resctrl by the alloc_enabled value.
> 
> Now that the L2/L2CODE/L2DATA resources have been merged together,
> alloc_enabled doesn't mean anything, it always has the same value as
> alloc_capable which indicates CAT is supported by this cache.
> 
> Remove alloc_enabled and its helpers.
> 
> Signed-off-by: James Morse <james.morse@....com>

There's a comment referring to alloc_enabled in rdtgroup_create_info_dir 
that can be replaced with alloc_capable.

Thanks,

Jamie