linux-kernel - RE: [RFC PATCH v8 01/10] ras: scrub: Add scrub subsystem

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Message-ID: <4ceb38897d854cc095fca1220d49a4d2@huawei.com>
Date: Wed, 8 May 2024 17:44:03 +0000
From: Shiju Jose <shiju.jose@...wei.com>
To: Borislav Petkov <bp@...en8.de>
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Subject: RE: [RFC PATCH v8 01/10] ras: scrub: Add scrub subsystem

>-----Original Message-----
>From: Borislav Petkov <bp@...en8.de>
>Sent: 08 May 2024 18:20
>To: Shiju Jose <shiju.jose@...wei.com>
>Cc: linux-cxl@...r.kernel.org; linux-acpi@...r.kernel.org; linux-
>mm@...ck.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;
>linux-edac@...r.kernel.org; linux-kernel@...r.kernel.org; david@...hat.com;
>Vilas.Sridharan@....com; leo.duran@....com; Yazen.Ghannam@....com;
>rientjes@...gle.com; jiaqiyan@...gle.com; tony.luck@...el.com;
>Jon.Grimm@....com; dave.hansen@...ux.intel.com; rafael@...nel.org;
>lenb@...nel.org; naoya.horiguchi@....com; james.morse@....com;
>jthoughton@...gle.com; somasundaram.a@....com;
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>mike.malvestuto@...el.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>;
>kangkang.shen@...urewei.com; wanghuiqiang <wanghuiqiang@...wei.com>;
>Linuxarm <linuxarm@...wei.com>
>Subject: Re: [RFC PATCH v8 01/10] ras: scrub: Add scrub subsystem
>
>On Wed, May 08, 2024 at 04:59:18PM +0000, Shiju Jose wrote:
>> >> I think it happens only when a dependent module as autoloaded based
>> >> on a scrub device existing with exception of memory scrub control
>> >> built in and who would build this in?
>> >
>> >You think or you know?
>> We know as I had tested.
>
>Does this thing register successfully on a machine which doesn't have those
>devices?
>
I mean scrub subsystem module is not loaded and initialzed until a dependent  device module is loaded and a device does not get registered with the scrub subsystem on a machine which doesn't have the corresponding scrub features.
>--
>Regards/Gruss,
>    Boris.
>
>https://people.kernel.org/tglx/notes-about-netiquette

Thanks,
Shiju