linux-kernel - Re: [RFC PATCH 0/2] Resctrl

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Date:   Thu, 29 Jun 2023 17:06:45 -0700
From:   Tony Luck <tony.luck@...el.com>
To:     Drew Fustini <dfustini@...libre.com>
Cc:     James Morse <james.morse@....com>,
        "Yu, Fenghua" <fenghua.yu@...el.com>,
        "Chatre, Reinette" <reinette.chatre@...el.com>,
        Babu Moger <Babu.Moger@....com>,
        Peter Newman <peternewman@...gle.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        H Peter Anvin <hpa@...or.com>,
        "shameerali.kolothum.thodi@...wei.com" 
        <shameerali.kolothum.thodi@...wei.com>,
        D Scott Phillips OS <scott@...amperecomputing.com>,
        "carl@...amperecomputing.com" <carl@...amperecomputing.com>,
        "lcherian@...vell.com" <lcherian@...vell.com>,
        "bobo.shaobowang@...wei.com" <bobo.shaobowang@...wei.com>,
        "tan.shaopeng@...itsu.com" <tan.shaopeng@...itsu.com>,
        "xingxin.hx@...nanolis.org" <xingxin.hx@...nanolis.org>,
        "baolin.wang@...ux.alibaba.com" <baolin.wang@...ux.alibaba.com>,
        Jamie Iles <quic_jiles@...cinc.com>,
        Xin Hao <xhao@...ux.alibaba.com>,
        "Pitre, Nicolas" <npitre@...libre.com>,
        Kevin Hilman <khilman@...libre.com>,
        "aricciardi@...libre.com" <aricciardi@...libre.com>,
        "x86@...nel.org" <x86@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "patches@...ts.linux.dev" <patches@...ts.linux.dev>
Subject: Re: [RFC PATCH 0/2] Resctrl - rewrite (WIP)

On Tue, Jun 27, 2023 at 04:33:52PM +0000, Luck, Tony wrote:
> I've made some significant changes since I posted those patches. I pushed
> the latest version to:
> 
> git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux.git    resctrl2_v64

I just pushed one big commit with all the bits I've updated so far
this week. Fixes some serious issues as well as general cleanup.

HEAD is now:

afb7cdd4d640 resctrl2: Many cleanups, fixes, and new functionality

If you've started writing your own architecture specific modules there
are some small interface changes. Most should be found by the compiler
barfing, but the new ".reset()" resource function called during unmount
of /sys/fs/resctrl might be less obvious.

-Tony