Re: [Xen-devel] [RFC] xen/arm: Find automatically the gnttab region for DOM0

2015-06-17 Thread Julien Grall
Hi Ian, On 17/06/15 11:26, Ian Campbell wrote: > On Fri, 2015-05-22 at 00:38 +0100, Julien Grall wrote: >> Note that on ARM64, the grant table region may be after 4GB (Xen is >> relocated to the highest address) using DOM0 32 bit with short page table >> may not work. Although, I don't think this

Re: [Xen-devel] [RFC] xen/arm: Find automatically the gnttab region for DOM0

2015-06-17 Thread Ian Campbell
On Fri, 2015-05-22 at 00:38 +0100, Julien Grall wrote: > Note that on ARM64, the grant table region may be after 4GB (Xen is > relocated to the highest address) using DOM0 32 bit with short page table > may not work. Although, I don't think this is a big deal as device may not > work and/or the RAM

Re: [Xen-devel] [RFC] xen/arm: Find automatically the gnttab region for DOM0

2015-05-26 Thread Julien Grall
Hi, On 22/05/2015 01:38, Julien Grall wrote: Currently, the grant table region is hardcoded per-platform. When a new board is coming up, we have to check the spec in order to find a space in the memory layout free. Depending on the platform it may be tedious. A good candidate for the gnttab reg