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    SubjectRe: [PATCH v9 0/10] iommu/vt-d: Fix intel vt-d faults in kdump kernel
    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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