| 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
| ||
|
Message-ID: <20070425002208.732d4bda@the-village.bc.nu> Date: Wed, 25 Apr 2007 00:22:08 +0100 From: Alan Cox <alan@...rguk.ukuu.org.uk> To: David Miller <davem@...emloft.net> Cc: ashok.raj@...el.com, 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. On Tue, 24 Apr 2007 14:50:26 -0700 (PDT) David Miller <davem@...emloft.net> wrote: > 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 :-) The sound stuff is going away bit by bit thankfully, but the 30bit DMA limit is present on some more demented wireless chips still. Alan - 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/
Powered by blists - more mailing lists