On Mon, 09 May 2022 10:54:59 +0100, Fuad Tabba <tabba@xxxxxxxxxx> wrote: > > Instead of the host accessing hyp data directly, pass the pmu > events of the current cpu to hyp via the vcpu. > > This adds 64 bits (in two fields) to the vcpu that need to be > synced before every vcpu run in nvhe and protected modes. > However, it isolates the hypervisor from the host, which allows > us to use pmu in protected mode in a subsequent patch. > > No functional change intended. BTW, there *are* plenty of functional changes, even if there was no issue with the patch. The lifetime of the data structure changes, its sharing changes, and its memory footprint is different. I guess what you are trying to say is that there shouldn't be any visible side effect of this patch. But I don't think these are the same things. Thanks, M. -- Without deviation from the norm, progress is not possible. _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
