Messages in this thread | | | Date | Tue, 5 May 2015 17:23:43 +0200 | From | Joerg Roedel <> | Subject | Re: [PATCH v9 0/10] iommu/vt-d: Fix intel vt-d faults in kdump kernel |
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On Tue, May 05, 2015 at 02:09:31PM +0800, Dave Young wrote: > I agree that we can do nothing with the old corrupted data, but I worry > about the future corruption after using the old corrupted data. I wonder > if we can mark all the oldmem as readonly so that we can lower the risk. > Is it resonable?
Do you mean marking it read-only for the devices? That will very likely cause DMAR faults, re-introducing the problem this patch-set tries to fix.
Joerg
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