linux-kernel - Re: [Intel IOMMU][patch 8/8] Preserve some Virtual Address when devices cannot address entire range.

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: <20070424.145026.128110905.davem@davemloft.net>
Date:	Tue, 24 Apr 2007 14:50:26 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	ashok.raj@...el.com
Cc:	ak@...e.de, linux-kernel@...r.kernel.org, akpm@...l.org,
	gregkh@...e.de, muli@...ibm.com, asit.k.mallick@...el.com,
	suresh.b.siddha@...el.com, anil.s.keshavamurthy@...el.com,
	arjan@...ux.intel.com, shaohua.li@...el.com
Subject: Re: [Intel IOMMU][patch 8/8] Preserve some Virtual Address when
 devices cannot address entire range.

From: Ashok Raj <ashok.raj@...el.com>
Date: Tue, 24 Apr 2007 14:38:35 -0700

> Its not clear if we have a very generic device breakage.. most devices
> on these platforms are going to be more recent, (except maybe some
> legacy fd)... 

I'm not so sure, there are some "modern" sound cards that have
a 31-bit DMA addressing limitation because they use the 31st
bit as a status bit in their DMA descriptors :-)
-
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/