linux-kernel - Re: [PATCH v2 2/3] Documentation, ABI: Add a document entry for cache id

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Date:	Fri, 8 Jul 2016 10:41:46 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Fenghua Yu <fenghua.yu@...el.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <h.peter.anvin@...el.com>,
	Ingo Molnar <mingo@...e.hu>, Borislav Petkov <bp@...e.de>,
	Tony Luck <tony.luck@...el.com>,
	Stephane Eranian <eranian@...gle.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Vikas Shivappa <vikas.shivappa@...ux.intel.com>,
	Ravi V Shankar <ravi.v.shankar@...el.com>,
	linux-kernel <linux-kernel@...r.kernel.org>, x86 <x86@...nel.org>
Subject: Re: [PATCH v2 2/3] Documentation, ABI: Add a document entry for
 cache id


* Fenghua Yu <fenghua.yu@...el.com> wrote:

> From: Fenghua Yu <fenghua.yu@...el.com>
> 
> Add an ABI document entry for /sys/devices/system/cpu/cpu*/cache/index*/id.
> 
> Signed-off-by: Fenghua Yu <fenghua.yu@...el.com>
> ---
>  Documentation/ABI/testing/sysfs-devices-system-cpu | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 
> diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu
> index 1650133..cc62034 100644
> --- a/Documentation/ABI/testing/sysfs-devices-system-cpu
> +++ b/Documentation/ABI/testing/sysfs-devices-system-cpu
> @@ -272,6 +272,19 @@ Description:	Parameters for the CPU cache attributes
>  				     the modified cache line is written to main
>  				     memory only when it is replaced
>  
> +
> +What:		/sys/devices/system/cpu/cpu*/cache/index*/id
> +Date:		July 2016
> +Contact:	Linux kernel mailing list <linux-kernel@...r.kernel.org>
> +Description:	Cache id
> +
> +		The id identifies a cache in the platform. In same index, the id
> +		is unique across the platform.

What does 'In same index' mean?

Thanks,

	Ingo