Re: [PATCH v11 05/10] iommu/vt-d: Add functions to load and save old re

2015-05-13 Thread Dave Young
On 05/13/15 at 09:47am, Li, ZhenHua wrote: > On 05/12/2015 04:37 PM, Dave Young wrote: > >Seems the subject was truncated? Maybe "re" means root entry? Then please > >fix it > > > >On 05/11/15 at 05:52pm, Li, Zhen-Hua wrote: > >>Add functions to load root entry table from old kernel, and to save u

Re: [PATCH v11 05/10] iommu/vt-d: Add functions to load and save old re

2015-05-12 Thread Li, ZhenHua
On 05/12/2015 04:37 PM, Dave Young wrote: Seems the subject was truncated? Maybe "re" means root entry? Then please fix it On 05/11/15 at 05:52pm, Li, Zhen-Hua wrote: Add functions to load root entry table from old kernel, and to save updated root entry table. Add two member in struct intel_iom

Re: [PATCH v11 05/10] iommu/vt-d: Add functions to load and save old re

2015-05-12 Thread Dave Young
Seems the subject was truncated? Maybe "re" means root entry? Then please fix it On 05/11/15 at 05:52pm, Li, Zhen-Hua wrote: > Add functions to load root entry table from old kernel, and to save updated > root entry table. > Add two member in struct intel_iommu, to store the RTA in old kernel, and

[PATCH v11 05/10] iommu/vt-d: Add functions to load and save old re

2015-05-11 Thread Li, Zhen-Hua
Add functions to load root entry table from old kernel, and to save updated root entry table. Add two member in struct intel_iommu, to store the RTA in old kernel, and the mapped virt address of it. We use the old RTA in dump kernel, and when the iommu->root_entry is used as a cache in kdump kerne