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From: Andi Kleen <ak@suse.de> Date: Tue, 13 Jun 2006 05:47:49 +0200 > I've been playing with the idea of writing "early1394" that just > turns the DMA controller on as early as possible similar to earlyprintk > on the target. Then it would be possible to use it for early > debugging too. But so far it's not done yet. Does this raw1394 thing with firescope just assume DMA address == physical address? How would it work to access all of physical memory properly on IOMMU platforms? - 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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