Hi Marc, On Wed, 2016-03-16 at 14:09 +0000, Marc Zyngier wrote: > This seems to go in a direction that is diametrically opposite the > the > "normal" ARM way. That doesn't make it an invalid approach, but > uniformity with other APIs (PSCI for example) and the 32bit KVM code > seems a highly desirable feature (given that I'll end up maintaining > that code). We need a way to get the CPU back to the exception level it had on entry to the kernel, and this hcall change is part of my proposed solution. If you could outline something you think would be a better fit, I'll take that and work on an implementation of it. -Geoff
