Re: [PATCH 02/14] iommu/arm-smmu: Add support for TTBR1

2018-03-02 Thread Jordan Crouse
On Fri, Mar 02, 2018 at 05:57:21PM +, Robin Murphy wrote: > On 21/02/18 22:59, Jordan Crouse wrote: > >Allow a SMMU device to opt into allocating a TTBR1 pagetable. > > > >The size of the TTBR1 region will be the same as > >the TTBR0 size with the sign extension bit set on the highest > >bit

Re: [PATCH 02/14] iommu/arm-smmu: Add support for TTBR1

2018-03-02 Thread Robin Murphy
On 21/02/18 22:59, Jordan Crouse wrote: Allow a SMMU device to opt into allocating a TTBR1 pagetable. The size of the TTBR1 region will be the same as the TTBR0 size with the sign extension bit set on the highest bit in the region unless the upstream size is 49 bits and then the sign-extension