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[Xen-devel] is_xen_swiotlb_buffer() vs CONFIG_HIGHMEM
| To: | "Jeremy Fitzhardinge" <jeremy@xxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] is_xen_swiotlb_buffer() vs CONFIG_HIGHMEM |
| From: | "Jan Beulich" <JBeulich@xxxxxxxxxx> |
| Date: | Mon, 14 Dec 2009 15:02:31 +0000 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Mon, 14 Dec 2009 07:02:55 -0800 |
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Jeremy, shouldn't is_xen_swiotlb_buffer() also check against e.g. highstart_pfn to deal with wrap-around potentially leading to aliasing of [xen_io_tlb_start,xen_io_tlb_end)? Jan _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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