linux-kernel - RE: [PATCH v2 05/11] arch/x86: Introduce a new config parameter PLATFORM

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Message-ID: <DM5PR12MB2471108DA79E7DFF8E206E3F95E60@DM5PR12MB2471.namprd12.prod.outlook.com>
Date:   Mon, 8 Oct 2018 01:22:12 +0000
From:   "Moger, Babu" <Babu.Moger@....com>
To:     Fenghua Yu <fenghua.yu@...el.com>
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Subject: RE: [PATCH v2 05/11] arch/x86: Introduce a new config parameter
 PLATFORM_QOS

Hi Fenghua,

> -----Original Message-----
> From: Fenghua Yu <fenghua.yu@...el.com>
> Sent: Friday, October 5, 2018 6:39 PM
> To: Moger, Babu <Babu.Moger@....com>
> Cc: tglx@...utronix.de; mingo@...hat.com; hpa@...or.com;
> reinette.chatre@...el.com; fenghua.yu@...el.com; james.morse@....com;
> vikas.shivappa@...ux.intel.com; tony.luck@...el.com; x86@...nel.org;
> peterz@...radead.org; pombredanne@...b.com;
> gregkh@...uxfoundation.org; kstewart@...uxfoundation.org; bp@...e.de;
> rafael.j.wysocki@...el.com; ak@...ux.intel.com;
> kirill.shutemov@...ux.intel.com; xiaochen.shen@...el.com;
> colin.king@...onical.com; Hurwitz, Sherry <sherry.hurwitz@....com>;
> Lendacky, Thomas <Thomas.Lendacky@....com>; pbonzini@...hat.com;
> dwmw@...zon.co.uk; luto@...nel.org; jroedel@...e.de;
> jannh@...gle.com; dima@...sta.com; jpoimboe@...hat.com;
> vkuznets@...hat.com; linux-kernel@...r.kernel.org
> Subject: Re: [PATCH v2 05/11] arch/x86: Introduce a new config parameter
> PLATFORM_QOS
> 
> On Fri, Oct 05, 2018 at 08:55:52PM +0000, Moger, Babu wrote:
> > Introduces a new config parameter PLATFORM_QOS.
> >
> > This will be used as a common config parameter for both Intel and AMD.
> > Each vendor will have their own config parameter to enable RDT feature.
> > One for Intel(INTEL_RDT) and one for AMD(AMD_QOS). It can be enabled
> or
> > disabled separately. The new parameter PLATFORM_QOS will be
> dependent
> > on INTEL_RDT or AMD_QOS.
> >
> > Signed-off-by: Babu Moger <babu.moger@....com>
> > ---
> >  arch/x86/Kconfig | 4 ++++
> >  1 file changed, 4 insertions(+)
> >
> > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> > index 1a0be022f91d..7f2da780a327 100644
> > --- a/arch/x86/Kconfig
> > +++ b/arch/x86/Kconfig
> > @@ -458,6 +458,10 @@ config INTEL_RDT
> >
> >  	  Say N if unsure.
> >
> > +config PLATFORM_QOS
> > +	def_bool y
> > +	depends on X86 && INTEL_RDT
> > +
> 
> Can change "PLATFORM_QOS" to a more neutral name "RESCTRL"?

Yes. Will change it.
> 
> Thanks.
> 
> -Fenghua