On Mon, May 18, 2020 at 5:32 AM Julien Grall <jul...@xen.org> wrote: > > From: Julien Grall <jgr...@amazon.com> > > Hi all, > > At the moment, a user who wants to boot Xen on the Raspberry Pi 4 can > only use the first GB of memory. > > This is because several devices cannot DMA above 1GB but Xen doesn't > necessarily allocate memory for Dom0 below 1GB. > > This small series is trying to address the problem by allowing a > platform to restrict where Dom0 banks are allocated. > > This is also a candidate for Xen 4.14. Without it, a user will not be > able to use all the RAM on the Raspberry Pi 4. > > This series has only be slighlty tested. I would appreciate more test on > the Rasbperry Pi 4 to confirm this removing the restriction.
Hi Julien, could you post a git branch somewhere? I can try this on my rpi4 that already runs 4.13. Thanks, Tamas
