linux-kernel - Re: [PATCH 1/2] arm: msm: Add System MMU support.

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, 28 Jul 2010 10:39:44 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Stepan Moskovchenko <stepanm@...eaurora.org>
Cc:	dwalker@...eaurora.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH 1/2] arm: msm: Add System MMU support.

On Wednesday 28 July 2010 00:41:06 Stepan Moskovchenko wrote:
> 
> Add support for the System MMUs found on the 8x60 and 8x72
> families of Qualcomm chips. These SMMUs allow virtualization
> of the address space used by most of the multimedia cores
> on these chips.
> 

How is this different from an IOMMU?

>From a very brief look, it seems that you should be using the
existing dma-mapping APIs here instead of making up your own.

	Arnd
--
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/