From: "Raj, Ashok" <ashok.raj@intel.com>
To: Lu Baolu <baolu.lu@linux.intel.com>
Cc: iommu@lists.linux-foundation.org, Yian Chen <yian.chen@intel.com>,
Joerg Roedel <joro@8bytes.org>,
linux-kernel@vger.kernel.org, Ashok Raj <ashok.raj@intel.com>
Subject: Re: [PATCH 2/3] iommu/vt-d: Parse SATC reporting structure
Date: Tue, 2 Feb 2021 08:41:02 -0800 [thread overview]
Message-ID: <20210202164102.GD39643@otc-nc-03> (raw)
In-Reply-To: <20210202044057.615277-3-baolu.lu@linux.intel.com>
On Tue, Feb 02, 2021 at 12:40:56PM +0800, Lu Baolu wrote:
> From: Yian Chen <yian.chen@intel.com>
>
> Software should parse every SATC table and all devices in the tables
> reported by the BIOS and keep the information in kernel list for further
> SATC policy deployment.
>
The last part seems bit vague? Are you trying to imply,
if kernel is booted with noats for instance, a device listed in SATC table
as "requires ATS" will fail to load?
Otherwise its not clear what the policy enforcement means.
WARNING: multiple messages have this Message-ID (diff)
From: "Raj, Ashok" <ashok.raj@intel.com>
To: Lu Baolu <baolu.lu@linux.intel.com>
Cc: Ashok Raj <ashok.raj@intel.com>,
iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/3] iommu/vt-d: Parse SATC reporting structure
Date: Tue, 2 Feb 2021 08:41:02 -0800 [thread overview]
Message-ID: <20210202164102.GD39643@otc-nc-03> (raw)
In-Reply-To: <20210202044057.615277-3-baolu.lu@linux.intel.com>
On Tue, Feb 02, 2021 at 12:40:56PM +0800, Lu Baolu wrote:
> From: Yian Chen <yian.chen@intel.com>
>
> Software should parse every SATC table and all devices in the tables
> reported by the BIOS and keep the information in kernel list for further
> SATC policy deployment.
>
The last part seems bit vague? Are you trying to imply,
if kernel is booted with noats for instance, a device listed in SATC table
as "requires ATS" will fail to load?
Otherwise its not clear what the policy enforcement means.
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next prev parent reply other threads:[~2021-02-02 16:44 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-02 4:40 [PATCH 0/3] iommu/vt-d: Add support for ACPI/SATC table Lu Baolu
2021-02-02 4:40 ` Lu Baolu
2021-02-02 4:40 ` [PATCH 1/3] iommu/vt-d: Add new enum value and structure for SATC Lu Baolu
2021-02-02 4:40 ` Lu Baolu
2021-02-02 13:51 ` Joerg Roedel
2021-02-02 13:51 ` Joerg Roedel
2021-02-03 0:11 ` Lu Baolu
2021-02-03 0:11 ` Lu Baolu
2021-02-02 16:02 ` Raj, Ashok
2021-02-02 16:02 ` Raj, Ashok
2021-02-03 0:15 ` Lu Baolu
2021-02-03 0:15 ` Lu Baolu
2021-02-02 4:40 ` [PATCH 2/3] iommu/vt-d: Parse SATC reporting structure Lu Baolu
2021-02-02 4:40 ` Lu Baolu
2021-02-02 13:53 ` Joerg Roedel
2021-02-02 13:53 ` Joerg Roedel
2021-02-03 0:26 ` Lu Baolu
2021-02-03 0:26 ` Lu Baolu
2021-02-02 16:41 ` Raj, Ashok [this message]
2021-02-02 16:41 ` Raj, Ashok
2021-02-03 0:29 ` Lu Baolu
2021-02-03 0:29 ` Lu Baolu
2021-02-02 4:40 ` [PATCH 3/3] iommu/vt-d: Apply SATC policy Lu Baolu
2021-02-02 4:40 ` Lu Baolu
2021-02-02 13:55 ` Joerg Roedel
2021-02-02 13:55 ` Joerg Roedel
2021-02-03 0:33 ` Lu Baolu
2021-02-03 0:33 ` Lu Baolu
2021-02-03 8:41 ` [PATCH 0/3] iommu/vt-d: Add support for ACPI/SATC table Christoph Hellwig
2021-02-03 8:41 ` Christoph Hellwig
2021-02-03 9:29 ` Lu Baolu
2021-02-03 9:29 ` Lu Baolu
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