Messages in this thread | | | Date | Sat, 2 Jun 2007 18:21:46 +0300 | From | Muli Ben-Yehuda <> | Subject | Re: [PATCH] quiet down swiotlb warnings |
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On Fri, Jun 01, 2007 at 10:26:01PM +0200, Andi Kleen wrote:
> Normally swiotlb doesn't even try to bounce when dma mask is <= > end_pfn so something must be very wrong in your kernel. It > definitely isn't a mainline kernel. If this happens in Xen then Xen > just needs fixing -- it should not try to bounce when the normal > kernel wouldn't.
Xen needs to bounce when the requested buffer is not contiguous in machine memory (and indeed uses swiotlb for that).
Cheers, Muli - 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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