On Thu, Mar 01, 2018 at 03:55:34PM +0000, Marc Zyngier wrote: > So far, the branch from the vector slots to the main vectors can at > most be 4GB from the main vectors (the reach of ADRP), and this > distance is known at compile time. If we were to remap the slots > to an unrelated VA, things would break badly. > > A way to achieve VA independence would be to load the absolute > address of the vectors (__kvm_hyp_vector), either using a constant > pool or a series of movs, followed by an indirect branch. > > This patches implements the latter solution, using another instance > of a patching callback. > > Signed-off-by: Marc Zyngier <[email protected]>
Acked-by: Catalin Marinas <[email protected]> _______________________________________________ kvmarm mailing list [email protected] https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
