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

[Joerg Roedel]

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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