On 05/04/15 at 06:23pm, Joerg Roedel wrote: > 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. The failure is nothing different, but as I said in another reply the difference is we could use corrupted data to possiblly cause more failure. Thanks Dave
