linux-kernel - Re: [PATCH][RESEND v5] x86/resctrl: Add task resctrl information display

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Date:   Fri, 10 Jan 2020 01:31:40 +0800
From:   Yu Chen <yu.c.chen@...el.com>
To:     Chris Down <chris@...isdown.name>
Cc:     x86@...nel.org, Thomas Gleixner <tglx@...utronix.de>,
        Borislav Petkov <bp@...en8.de>, Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        Alexey Dobriyan <adobriyan@...il.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Reinette Chatre <reinette.chatre@...el.com>,
        Fenghua Yu <fenghua.yu@...el.com>,
        Tony Luck <tony.luck@...el.com>,
        Michal Hocko <mhocko@...e.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-fsdevel@...r.kernel.org, linux-api@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH][RESEND v5] x86/resctrl: Add task resctrl information
 display

Hi Chris,
Thanks for looking at this patch.
On Thu, Jan 09, 2020 at 02:53:55PM +0000, Chris Down wrote:
> Chen Yu writes:
> > +#ifdef CONFIG_PROC_CPU_RESCTRL
> > +	ONE("resctrl", S_IRUGO, proc_resctrl_show),
> 
> There was already some discussion about "resctrl" by itself being a
> misleading name, hence why the CONFIG option eventually became
> CONFIG_X86_CPU_RESCTRL. Can you please rethink the name of this /proc file,
> and have it at least be "cpu_resctrl" or "x86_resctrl" or similar? :-)
Ok, I'll change the name from "resctrl" to "cpu_resctrl", because:
1. it is a CPU feature so a 'cpu' prefixed seems to be more obvious,
2. other CPUs than x86 could also use this file in the future.

Thanks,
Chenyu