On Fri, 21 Sep 2018 at 10:14, Jeffrey Hugo <jhugo@xxxxxxxxxxxxxx> wrote: > > On 9/21/2018 10:32 AM, Ard Biesheuvel wrote: > > Add support for persistent memory reservations across kexec reboot on EFI > > systems by introducing a Linux-specific UEFI configuration table that points > > to a linked list in memory that can be augmented by each successive kexec > > kernel to describe regions in memory that the subsequent kernel should treat > > as reserved. > > > > The specific use case for this feature is GICv3 ARM systems that are not > > able to disable DMA access to LPI tables, meaning we have to reserve them > > and make the next kernel reuse the existing tables rather than allocating > > them from scratch. > > As far as I recall, Shanker Donthineni attempted to address a similar > (the same?) issue. I think we would be very interested, if that is the > case. > > Is there another series that depends on these changes? If not, can you > describe the plan for this? > Marc Zyngier should have some patches out shortly for this.
