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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 8 Oct 2018 01:22:12 +0000
From:   "Moger, Babu" <Babu.Moger@....com>
To:     Fenghua Yu <fenghua.yu@...el.com>
CC:     "tglx@...utronix.de" <tglx@...utronix.de>,
        "mingo@...hat.com" <mingo@...hat.com>,
        "hpa@...or.com" <hpa@...or.com>,
        "reinette.chatre@...el.com" <reinette.chatre@...el.com>,
        "james.morse@....com" <james.morse@....com>,
        "vikas.shivappa@...ux.intel.com" <vikas.shivappa@...ux.intel.com>,
        "tony.luck@...el.com" <tony.luck@...el.com>,
        "x86@...nel.org" <x86@...nel.org>,
        "peterz@...radead.org" <peterz@...radead.org>,
        "pombredanne@...b.com" <pombredanne@...b.com>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "kstewart@...uxfoundation.org" <kstewart@...uxfoundation.org>,
        "bp@...e.de" <bp@...e.de>,
        "rafael.j.wysocki@...el.com" <rafael.j.wysocki@...el.com>,
        "ak@...ux.intel.com" <ak@...ux.intel.com>,
        "kirill.shutemov@...ux.intel.com" <kirill.shutemov@...ux.intel.com>,
        "xiaochen.shen@...el.com" <xiaochen.shen@...el.com>,
        "colin.king@...onical.com" <colin.king@...onical.com>,
        "Hurwitz, Sherry" <sherry.hurwitz@....com>,
        "Lendacky, Thomas" <Thomas.Lendacky@....com>,
        "pbonzini@...hat.com" <pbonzini@...hat.com>,
        "dwmw@...zon.co.uk" <dwmw@...zon.co.uk>,
        "luto@...nel.org" <luto@...nel.org>,
        "jroedel@...e.de" <jroedel@...e.de>,
        "jannh@...gle.com" <jannh@...gle.com>,
        "dima@...sta.com" <dima@...sta.com>,
        "jpoimboe@...hat.com" <jpoimboe@...hat.com>,
        "vkuznets@...hat.com" <vkuznets@...hat.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
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