linux-kernel - Re: [PATCH v9 02/10] x86/resctrl: Add SDCIAE feature in the command line options

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Message-ID: <15cec601-4bbb-4878-98ce-45f0b448c281@amd.com>
Date: Fri, 19 Sep 2025 11:40:04 -0500
From: "Moger, Babu" <bmoger@....com>
To: Reinette Chatre <reinette.chatre@...el.com>,
 Babu Moger <babu.moger@....com>, corbet@....net, tony.luck@...el.com,
 Dave.Martin@....com, james.morse@....com, tglx@...utronix.de,
 mingo@...hat.com, bp@...en8.de, dave.hansen@...ux.intel.com
Cc: x86@...nel.org, hpa@...or.com, kas@...nel.org,
 rick.p.edgecombe@...el.com, akpm@...ux-foundation.org, paulmck@...nel.org,
 pmladek@...e.com, pawan.kumar.gupta@...ux.intel.com, rostedt@...dmis.org,
 kees@...nel.org, arnd@...db.de, fvdl@...gle.com, seanjc@...gle.com,
 thomas.lendacky@....com, manali.shukla@....com, perry.yuan@....com,
 sohil.mehta@...el.com, xin@...or.com, peterz@...radead.org,
 mario.limonciello@....com, gautham.shenoy@....com, nikunj@....com,
 dapeng1.mi@...ux.intel.com, ak@...ux.intel.com, chang.seok.bae@...el.com,
 ebiggers@...gle.com, linux-doc@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-coco@...ts.linux.dev, kvm@...r.kernel.org
Subject: Re: [PATCH v9 02/10] x86/resctrl: Add SDCIAE feature in the command
 line options

Hi Reinette,

On 9/18/2025 12:09 AM, Reinette Chatre wrote:
> Hi Babu,
> 
> On 9/2/25 3:41 PM, Babu Moger wrote:
>> Add the command line option to enable or disable the new resctrl feature
>> L3 Smart Data Cache Injection Allocation Enforcement (SDCIAE).
> 
> Since SDCIAE is the architecture specific feature while the generic resctrl feature
> is "io_alloc" I think it will be more accurate to say something similar to the
> ABMC changelog:
> 	Add a kernel command-line parameter to enable or disable the exposure of
> 	the L3 Smart Data Cache Injection Allocation Enforcement (SDCIAE) hardware
> 	feature to resctrl.
> 

Sure.

>>
>> Signed-off-by: Babu Moger <babu.moger@....com>
>> ---
> 
> With changelog change:
> 
> | Reviewed-by: Reinette Chatre <reinette.chatre@...el.com>
> 

Thanks
Babu