linux-kernel - RE: [PATCH v18 02/19] EDAC: Add scrub control feature

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Message-ID: <bb8154e6c78d440bb807ff9b6bfd7a0f@huawei.com>
Date: Tue, 7 Jan 2025 09:23:19 +0000
From: Shiju Jose <shiju.jose@...wei.com>
To: Borislav Petkov <bp@...en8.de>
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Subject: RE: [PATCH v18 02/19] EDAC: Add scrub control feature

>-----Original Message-----
>From: Borislav Petkov <bp@...en8.de>
>Sent: 07 January 2025 07:32
>To: Shiju Jose <shiju.jose@...wei.com>
>Cc: linux-edac@...r.kernel.org; linux-cxl@...r.kernel.org; linux-
>acpi@...r.kernel.org; linux-mm@...ck.org; linux-kernel@...r.kernel.org;
>tony.luck@...el.com; rafael@...nel.org; lenb@...nel.org;
>mchehab@...nel.org; dan.j.williams@...el.com; dave@...olabs.net; Jonathan
>Cameron <jonathan.cameron@...wei.com>; dave.jiang@...el.com;
>alison.schofield@...el.com; vishal.l.verma@...el.com; ira.weiny@...el.com;
>david@...hat.com; Vilas.Sridharan@....com; leo.duran@....com;
>Yazen.Ghannam@....com; rientjes@...gle.com; jiaqiyan@...gle.com;
>Jon.Grimm@....com; dave.hansen@...ux.intel.com;
>naoya.horiguchi@....com; james.morse@....com; jthoughton@...gle.com;
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>duenwen@...gle.com; gthelen@...gle.com;
>wschwartz@...erecomputing.com; dferguson@...erecomputing.com;
>wbs@...amperecomputing.com; nifan.cxl@...il.com; tanxiaofei
><tanxiaofei@...wei.com>; Zengtao (B) <prime.zeng@...ilicon.com>; Roberto
>Sassu <roberto.sassu@...wei.com>; kangkang.shen@...urewei.com;
>wanghuiqiang <wanghuiqiang@...wei.com>; Linuxarm
><linuxarm@...wei.com>
>Subject: Re: [PATCH v18 02/19] EDAC: Add scrub control feature
>
>On Mon, Jan 06, 2025 at 07:34:41PM +0000, Shiju Jose wrote:
>> My understanding is that you meant the following changes (diff to this
>> patch), for scrub?  (and similar for other features).  Please let me
>> know if you need any corrections.
>
>Yes, something like that except "select" is evil and should be used only when the
>items it selects do not pull in more stuff. And since scrub is all optional, it should
>all be depends.

Sure.
>
>> diff --git a/drivers/edac/Kconfig b/drivers/edac/Kconfig index
>> 06f7b43a6f78..709bd7ad8015 100644
>> --- a/drivers/edac/Kconfig
>> +++ b/drivers/edac/Kconfig
>> @@ -9,6 +9,14 @@ config EDAC_ATOMIC_SCRUB  config EDAC_SUPPORT
>>  	bool
>>
>> +config EDAC_FEAT_SCRUB
>
>EDAC_SCRUB is perfectly fine.

Sure. I will change.
>
>> +	bool
>> +	help
>> +	  The EDAC scrub feature is optional and is designed to control the
>> +	  memory scrubbers in the system. The common sysfs scrub interface
>> +	  abstracts the control of various arbitrary scrubbing functionalities
>> +	  into a unified set of functions.
>
>This should come...
>
>> +
>>  menuconfig EDAC
>>  	tristate "EDAC (Error Detection And Correction) reporting"
>>  	depends on HAS_IOMEM && EDAC_SUPPORT && RAS
>
>... in here as it is part of EDAC.

I will move in here. 
>
>Thx.
>
>--
>Regards/Gruss,
>    Boris.
>
>https://people.kernel.org/tglx/notes-about-netiquette

Thanks,
Shiju