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On Thu, Apr 13, 2006 at 09:40:27AM +0300, Muli Ben-Yehuda wrote: > On Wed, Apr 12, 2006 at 09:52:33PM -0500, Olof Johansson wrote: > > > iommu=off can still be used for those who don't want to deal with the > > overhead (and don't need it for any devices). > > I've been pondering walking the PCI bus before deciding to enable an > IOMMU and checking each device's DMA mask. Is this something that you > considered and rejected, or just something no one got around to doing? It's something I thought about, but right now we enable the IOMMU quite early during boot. It'd take a bit of surgery to shuffle things, and I decided that it's not worth the work (and risk of regressions) for 2.6.17. -Olof - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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