On Tue, May 20, 2014 at 05:55:36PM +0100, Marc Zyngier wrote: > This patch series adds debug support, a key feature missing from the > KVM/arm64 port. > > The main idea is to keep track of whether the debug registers are > "dirty" (changed by the guest) or not. In this case, perform the usual > save/restore dance, for one run only. It means we only have a penalty > if a guest is actively using the debug registers. > > The amount of registers is properly frightening, but CPUs actually > only implement a subset of them. Also, there is a number of registers > we don't bother emulating (things having to do with external debug and > OSlock). What is the rationale about not having to deal with external debug and OSlock? -Christoffer _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
