Messages in this thread | | | Subject | Re: A problem of Intel IOMMU hardware ? | From | Lu Baolu <> | Date | Thu, 18 Mar 2021 10:58:30 +0800 |
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Hi Alex,
On 3/17/21 11:18 PM, Alex Williamson wrote: >>> {MAP, 0x0, 0xc0000000}, --------------------------------- (b) >>> use GDB to pause at here, and then DMA read IOVA=0, >> IOVA 0 seems to be a special one. Have you verified with other addresses >> than IOVA 0? > It is??? That would be a problem. >
No problem from hardware point of view as far as I can see. Just thought about software might handle it specially.
Best regards, baolu
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