Re: [Qemu-devel] [PATCH v3] spapr_vio/spapr_iommu: Move VIO bypass where it belongs

2015-01-29 Thread Alexander Graf
On 29.01.15 06:04, Alexey Kardashevskiy wrote: > Instead of tweaking a TCE table device by adding there a bypass flag, > let's add an alias to RAM and IOMMU memory region, and enable/disable > those according to the selected bypass mode. > This way IOMMU memory region can have size of the actual

Re: [Qemu-devel] [PATCH v3] spapr_vio/spapr_iommu: Move VIO bypass where it belongs

2015-01-28 Thread David Gibson
On Thu, Jan 29, 2015 at 04:04:58PM +1100, Alexey Kardashevskiy wrote: > Instead of tweaking a TCE table device by adding there a bypass flag, > let's add an alias to RAM and IOMMU memory region, and enable/disable > those according to the selected bypass mode. > This way IOMMU memory region can hav

[Qemu-devel] [PATCH v3] spapr_vio/spapr_iommu: Move VIO bypass where it belongs

2015-01-28 Thread Alexey Kardashevskiy
Instead of tweaking a TCE table device by adding there a bypass flag, let's add an alias to RAM and IOMMU memory region, and enable/disable those according to the selected bypass mode. This way IOMMU memory region can have size of the actual window rather than ram_size which is essential for upcomi