linux-kernel - Re: [PATCH v4 10/13] arch/x86: Add AMD feature bit X86_FEATURE

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:   Wed, 17 Oct 2018 14:47:45 +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>,
        "tony.luck@...el.com" <tony.luck@...el.com>,
        "corbet@....net" <corbet@....net>,
        "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>,
        "mchehab+samsung@...nel.org" <mchehab+samsung@...nel.org>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
        "arnd@...db.de" <arnd@...db.de>
Subject: Re: [PATCH v4 10/13] arch/x86: Add AMD feature bit X86_FEATURE_MBA in
 cpuid bits array



On 10/16/2018 06:48 PM, Fenghua Yu wrote:
> On Mon, Oct 15, 2018 at 08:55:54PM +0000, Moger, Babu wrote:
>> From: Sherry Hurwitz <sherry.hurwitz@....com>
>>
>> The feature bit X86_FEATURE_MBA is detected via CPUID leaf 0x80000008
>> EBX Bit 06. This bit indicates the support of AMD's MBA feature.
>>
>> This feature is supported by both Intel and AMD. But they are detected
>> different CPUID leaves.
> 
> Should be "in different..."

Ok. Will correct it. Thanks

> 
> Thanks.
> 
> -Fenghua
>