| 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: <20070607165839.acf76694.akpm@linux-foundation.org> Date: Thu, 7 Jun 2007 16:58:39 -0700 From: Andrew Morton <akpm@...ux-foundation.org> To: anil.s.keshavamurthy@...el.com Cc: linux-kernel@...r.kernel.org, ak@...e.de, gregkh@...e.de, muli@...ibm.com, asit.k.mallick@...el.com, suresh.b.siddha@...el.com, arjan@...ux.intel.com, ashok.raj@...el.com, shaohua.li@...el.com, davem@...emloft.net Subject: Re: [Intel-IOMMU 07/10] Intel iommu cmdline option - forcedac On Wed, 06 Jun 2007 11:57:05 -0700 anil.s.keshavamurthy@...el.com wrote: > --- linux-2.6.22-rc3.orig/Documentation/kernel-parameters.txt 2007-06-04 12:40:29.000000000 -0700 > +++ linux-2.6.22-rc3/Documentation/kernel-parameters.txt 2007-06-04 12:40:41.000000000 -0700 > @@ -785,6 +785,13 @@ > bypassed by not enabling DMAR with this option. In > this case, gfx device will use physical address for > DMA. > + forcedac You want forcedac [X86-64] > + With this option iommu will not optimize to look > + for io virtual address below 32 bit forcing dual > + address cycle on pci bus for cards supporting greater > + than 32 bit addressing. The default is to look > + for translation below 32 bit and if not available > + then look in the higher range. - 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