linux-kernel - Re: [PATCH 1/1] iommu: DMAR reporting table needs at least one DRHD

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] [day] [month] [year] [list]

Date:	Thu, 20 Jun 2013 16:40:17 +0200
From:	Joerg Roedel <joro@...tes.org>
To:	"Li, Zhen-Hua" <zhen-hual@...com>
Cc:	Ingo Molnar <mingo@...nel.org>, Donald Dutile <ddutile@...hat.com>,
	Linn Crosetto <linn@...com>, linux-kernel@...r.kernel.org,
	iommu@...ts.linux-foundation.org
Subject: Re: [PATCH 1/1] iommu: DMAR reporting table needs at least one DRHD

On Mon, May 20, 2013 at 03:57:32PM +0800, Li, Zhen-Hua wrote:
> In intel vt-d spec , chapter 8.1 , DMA Remapping Reporting Structure.
> In the end of the table, it says:
> 
> Remapping Structures[]
> -
> A list of structures. The list will contain one or
> more DMA Remapping Hardware Unit Definition
> (DRHD) structures, and zero or more Reserved
> Memory Region Reporting (RMRR) and Root Port
> ATS Capability Reporting (ATSR) structures.
> These structures are described below.
> 
> So, there should be at least one DRHD structure in DMA Remapping
> reporting table. If there is no DRHD found, a warning is necessary.
> 
> Signed-off-by: Li, Zhen-Hua <zhen-hual@...com>

Tweaked the error message a bit and applied to x86/vt-d, thanks.


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/