On Fri, Apr 24, 2015 at 04:49:57PM +0800, Dave Young wrote:
> I'm more than happy to see this issue can be fixed in the patchset, I
> do not agree to add the code there with such problems. OTOH, for now
> seems there's no way to fix it.
And that's the point. We discuss this issue and possible solutions for
years by now, and what ZhenHua implemented is what we agreed to be the
best-effort on what we can do in the kdump case with IOMMU enabled.
Of course there are still failure scenarios left, but that is not
different from systems without any IOMMU.
Joerg
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