On April 15, 2016 10:03pm, wrote:
> On 31/03/16 10:06, Xu, Quan wrote:
> > All,
> >
> > Here is a summary of my investigation of the abstract model:
> >
> > Below policies are adopted when deciding whether to rollback a callchain:
> >
> > 1. Domain will be crashed immediately within iommu_{,un}map
On 31/03/16 10:06, Xu, Quan wrote:
> All,
>
> Here is a summary of my investigation of the abstract model:
>
> Below policies are adopted when deciding whether to rollback a callchain:
>
> 1. Domain will be crashed immediately within iommu_{,un}map_page, treated as
> a fatal error (with the exc
On 12/04/16 04:30, Xu, Quan wrote:
> George,
>
> In this discussion, most of them are memory-related problems. Your comments
> are valuable.
> If you have read this thread, could you give me some feedback? I really
> appreciate your precious advice.
Sorry -- I was trying to get all the stuff fo
George,
In this discussion, most of them are memory-related problems. Your comments are
valuable.
If you have read this thread, could you give me some feedback? I really
appreciate your precious advice.
Quan
On March 31, 2016 5:06pm, Quan, Xu wrote:
> All,
>
> Here is a summary of my invest
On April 08, 2016 6:44am, wrote:
> >>> On 06.04.16 at 09:38, wrote:
> > On April 01, 2016 7:57pm, wrote:
> >> >>> On 31.03.16 at 11:06, wrote:
> >> > 4. __gnttab_unmap_common():rollback (no change)
> >> >
> >> > (Existing code)
> >> >>>...
> >> > if ( !kind )
> >> >
>>> On 06.04.16 at 09:38, wrote:
> On April 01, 2016 7:57pm, wrote:
>> >>> On 31.03.16 at 11:06, wrote:
>> > 4. __gnttab_unmap_common():rollback (no change)
>> >
>> > (Existing code)
>> >>>...
>> > if ( !kind )
>> > err = iommu_unmap_page(ld, op->frame);
>> >
On April 01, 2016 7:57pm, wrote:
> >>> On 31.03.16 at 11:06, wrote:
> > 4. __gnttab_unmap_common():rollback (no change)
> >
> > (Existing code)
> >>>...
> > if ( !kind )
> > err = iommu_unmap_page(ld, op->frame);
> > else if ( !(kind & MAPKIND_WRITE) )
> >
>>> On 31.03.16 at 11:06, wrote:
> 4. __gnttab_unmap_common():rollback (no change)
>
> (Existing code)
>>>...
> if ( !kind )
> err = iommu_unmap_page(ld, op->frame);
> else if ( !(kind & MAPKIND_WRITE) )
> err = iommu_map_page(ld, op->frame, op
Jan and others, I've reviewed below with Quan internally. Basically I'm OK with
the
proposal, but there does be several opens (8-11) which we'd like to know your
opinions. Once they are cleared, next version of the patch should be made
quickly...
> From: Xu, Quan
> Sent: Thursday, March 31, 2016
+to 2 key maintainers,
On March 31, 2016 5:06pm, Xu, Quan wrote:
> All,
>
> Here is a summary of my investigation of the abstract model:
>
> Below policies are adopted when deciding whether to rollback a callchain:
>
> 1. Domain will be crashed immediately within iommu_{,un}map_page, treated
All,
Here is a summary of my investigation of the abstract model:
Below policies are adopted when deciding whether to rollback a callchain:
1. Domain will be crashed immediately within iommu_{,un}map_page, treated as a
fatal error (with the exception of the hardware one). Whether to rollback
d
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