linux-kernel - Re: [PATCH v2 00/10] x86/resctrl: Misc cleanup

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Message-ID: <893fb221-1ec9-7fc0-c25d-299c0222c52a@intel.com>
Date:   Thu, 14 May 2020 08:29:46 -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>
Subject: Re: [PATCH v2 00/10] x86/resctrl: Misc cleanup

Hi James,

On 4/30/2020 10:03 AM, James Morse wrote:
> Hello!
> 
> These are the miscellaneous cleanup patches that floated to the top of
> the MPAM tree.
> 
> The only interesting thing are the patches to make the AMD/Intel
> differences something resctrl understands, instead of just 'happening'
> because of the different function pointers.
> This will become more important once MPAM support is added. parse_bw()
> and friends are what enforces resctrl's ABI resctrl. Allowing an
> architecture/platform to provide a subtly different function here would
> be bad for user-space.
> 
> MPAM would set arch_has_sparse_bitmaps, but not arch_needs_linear.
> 
> Since [v1], I've picked up all the review feedback and collected the
> tags.
> 
> Nothing in this series should change any behaviour.
> This series is based on v5.7-rc3.

Please note that there are currently some resctrl changes in branch
x86/cache of the tip repo that are queued for inclusion into v5.8 that
have a few conflicts with this series. When you resubmit it may be
helpful if this series is based on that instead.

Reinette