linux-kernel - Re: [PATCH v2 01/12] iommu/vt-d: Enumerate the scalable mode capability

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]

Message-ID: <43811e92-f3d4-82a7-87a7-f5bcbf9a13f4@linux.intel.com>
Date:   Thu, 6 Sep 2018 10:25:56 +0800
From:   Lu Baolu <baolu.lu@...ux.intel.com>
To:     "Tian, Kevin" <kevin.tian@...el.com>,
        Joerg Roedel <joro@...tes.org>,
        David Woodhouse <dwmw2@...radead.org>
Cc:     baolu.lu@...ux.intel.com, "Raj, Ashok" <ashok.raj@...el.com>,
        "Kumar, Sanjay K" <sanjay.k.kumar@...el.com>,
        "Pan, Jacob jun" <jacob.jun.pan@...el.com>,
        "Liu, Yi L" <yi.l.liu@...el.com>, "Sun, Yi Y" <yi.y.sun@...el.com>,
        "peterx@...hat.com" <peterx@...hat.com>,
        Jean-Philippe Brucker <jean-philippe.brucker@....com>,
        "iommu@...ts.linux-foundation.org" <iommu@...ts.linux-foundation.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Jacob Pan <jacob.jun.pan@...ux.intel.com>
Subject: Re: [PATCH v2 01/12] iommu/vt-d: Enumerate the scalable mode
 capability

Hi,

On 09/06/2018 09:55 AM, Tian, Kevin wrote:
>> From: Lu Baolu [mailto:baolu.lu@...ux.intel.com]
>> Sent: Thursday, August 30, 2018 9:35 AM
>>
>> The Intel vt-d spec rev3.0 introduces a new translation
>> mode called scalable mode, which enables PASID-granular
>> translations for first level, second level, nested and
>> pass-through modes. At the same time, the previous
>> Extended Context (ECS) mode is deprecated (no production
>> ever implements ECS).
>>
>> This patch adds enumeration for Scalable Mode and removes
>> the deprecated ECS enumeration. It provides a boot time
>> option to disable scalable mode even hardware claims to
>> support it.
>>
>> Cc: Ashok Raj <ashok.raj@...el.com>
>> Cc: Jacob Pan <jacob.jun.pan@...ux.intel.com>
>> Cc: Kevin Tian <kevin.tian@...el.com>
>> Cc: Liu Yi L <yi.l.liu@...el.com>
>> Signed-off-by: Sanjay Kumar <sanjay.k.kumar@...el.com>
>> Signed-off-by: Lu Baolu <baolu.lu@...ux.intel.com>
>> Reviewed-by: Ashok Raj <ashok.raj@...el.com>
> 
> Reviewed-by: Kevin Tian <kevin.tian@...el.com>
> 

Thank you, Kevin.

Best regards,
Lu Baolu