Re: [Xen-devel] [PATCH v3 02/10] IOMMU: handle IOMMU mapping and unmapping failures

2016-05-04 Thread Xu, Quan
On May 04, 2016 9:44 PM, Jan Beulich wrote: > >>> On 04.05.16 at 13:49, wrote: > > On May 04, 2016 9:29 AM, Tian, Kevin wrote: > >> > From: Quan Xu > >> > Sent: Friday, April 29, 2016 5:25 PM > >> > > >> > Treat IOMMU mapping and unmapping failures as a fatal to the domain > >> > (with the excep

Re: [Xen-devel] [PATCH v3 02/10] IOMMU: handle IOMMU mapping and unmapping failures

2016-05-04 Thread Jan Beulich
>>> On 04.05.16 at 13:49, wrote: > On May 04, 2016 9:29 AM, Tian, Kevin wrote: >> > From: Quan Xu >> > Sent: Friday, April 29, 2016 5:25 PM >> > >> > Treat IOMMU mapping and unmapping failures as a fatal to the domain >> > (with the exception of the hardware domain). >> > >> > If IOMMU mapping an

Re: [Xen-devel] [PATCH v3 02/10] IOMMU: handle IOMMU mapping and unmapping failures

2016-05-04 Thread Xu, Quan
On May 04, 2016 9:29 AM, Tian, Kevin wrote: > > From: Quan Xu > > Sent: Friday, April 29, 2016 5:25 PM > > > > Treat IOMMU mapping and unmapping failures as a fatal to the domain > > (with the exception of the hardware domain). > > > > If IOMMU mapping and unmapping failed, crash the domain (with

Re: [Xen-devel] [PATCH v3 02/10] IOMMU: handle IOMMU mapping and unmapping failures

2016-05-03 Thread Tian, Kevin
> From: Quan Xu > Sent: Friday, April 29, 2016 5:25 PM > > Treat IOMMU mapping and unmapping failures as a fatal to the domain > (with the exception of the hardware domain). > > If IOMMU mapping and unmapping failed, crash the domain (with the > exception of the hardware domain) and propagate the

[Xen-devel] [PATCH v3 02/10] IOMMU: handle IOMMU mapping and unmapping failures

2016-04-29 Thread Quan Xu
Treat IOMMU mapping and unmapping failures as a fatal to the domain (with the exception of the hardware domain). If IOMMU mapping and unmapping failed, crash the domain (with the exception of the hardware domain) and propagate the error up to the call trees. Signed-off-by: Quan Xu Reviewed-by: K